A cracked side-mirror glass looks like a small problem — until you start picturing the whole mirror unit coming off the door.
Here is what most drivers never get told: on many vehicles, the glass is a separate part from the motor, the housing and the wiring behind it. If only the glass broke, the glass alone can be replaced — and the right glass keeps your mirror’s heating element and blind-spot indicator working just as they did before.
The four picks below are the ones that held up against manufacturer manuals and fitment documents: a heated clip-in glass, a vehicle-specific snap-in fit, a simple stick-on repair, and an add-on that covers the blind spot when your glass is intact. Start with the thirty-second answer, then check the fit against your vehicle before ordering anything.
The 30-second answer
Jeep Cherokee owners should start with the Dorman 57652, a heated clip-in glass that keeps the blind-spot indicator working. Chevrolet Cruze owners get the matching Dorman 55034. For a driver-side stick-on glass on a heated power mirror, the K-Source 99285 is the pick, with a written alternative where our links cannot reach it. If your glass is intact and you only want blind-spot coverage, add the Fit System C020W spot mirrors — an add-on, not a repair.
How we researched this guide
Five replacement-glass products were profiled in depth against manufacturer documents — six product manuals and install guides, Dorman’s official warranty document and maker guidance on glass-only repair. Specs and fitment were cross-checked across five retailer and listing sources, and four owner and third-party reports were reviewed. Seven further products were documented and excluded as above this guide’s budget tier.
Quick picks
Best Overall
Dorman 57652 Mirror Glass
Heated, blind-spot-ready clip-in glass for the Jeep Cherokee (2014–2023) — the only pick here that keeps both factory features working after a glass swap. Best if your Cherokee’s passenger glass is cracked and the mirror behind it is sound.
Best for Chevy Cruze
Dorman 55034 Mirror Glass
Snap-in convex glass cut for the Chevrolet Cruze and Cruze Limited (2011–2016), backed by Dorman’s Limited Lifetime warranty. Best if your Cruze passenger glass is broken and you want a vehicle-specific fit rather than a universal stick-on.
Best Stick-On Glass
K-Source 99285 Mirror Glass
Driver-side stick-on glass with mounting tape included, for mirrors with the heated power function. Best if your backing plate is intact and only the glass is cracked or missing.
This glass has no Amazon listing we could verify, so it carries no button of its own. Cruze and Cruze Limited drivers should take the backed-glass alternative instead — the Dorman 55034:
Best Blind-Spot Add-On
Fit System C020W Spot Mirrors
A two-pack of two-inch convex spot mirrors that stick onto your existing outside mirrors. This is an add-on, not a replacement glass — best if your mirrors are intact and you only want the shoulder blind spot covered.
Quick compare
| Product | Fitment | Heated | Warranty | Check Price |
|---|---|---|---|---|
| Dorman 57652 (clip-in glass) | Jeep Cherokee 2014–2023, passenger side | Yes | Limited Lifetime | |
| Dorman 55034 (snap-in glass) | Chevrolet Cruze 2011–2016, passenger side | Not published | Limited Lifetime | |
| K-Source 99285 (stick-on glass) | Driver side, heated-power mirrors | Not published | Not published | No verified Amazon listing — the alternative is the Dorman 55034: |
| Fit System C020W (spot mirror add-on) | Universal, either outside mirror | Not published | Not published |
Find your replacement route
Tell us what your mirror needs and we will point you at the pick in this guide that matches. Every answer ends at one of the four products reviewed below — there are no dead ends.
How to choose a replacement mirror
Match the glass curvature to the side
Flat versus convex is set by law, not by preference. Federal Motor Vehicle Safety Standard 111 requires the driver-side outside mirror to give unit magnification — flat glass. A passenger-side mirror may be convex only within a set radius of curvature, carrying the etched closer-than-they-appear marking. That is why both backed picks here are convex passenger-side glasses with the etched warning, and why a convex glass should never be substituted on the driver side.
Buy glass cut for your exact vehicle
True replacement glass is custom-cut for one vehicle: the outline, the diagonal measurement and the clip positions all differ between models. Mirror makers instruct buyers to measure the old glass diagonally, from longest corner to longest corner, and to compare the outline before ordering, because several glass options can exist for the same vehicle. Universal products in this price tier are limited to spot mirrors and mirror heads. They can supplement a shaped glass, but they cannot replace one.
Match the feature set your mirror already has
Replacement glass must match the equipment the car was built with. Heated mirrors need glass with a pre-applied element and its terminals reconnected; a plain glass laid over a heated mirror fits, but the heat function is lost. Blind-spot indicator glass must match the vehicle’s option specification (the Dorman 57652 here is built for specific Cherokee sales codes), and etched-icon glass reuses the mirror’s existing indicator light. Turn-signal glass likewise needs the original signal window and light source.
Choose the mounting type your mirror needs
There are four ways replacement glass attaches. Adhesive stick-on glass bonds over the old glass or onto an intact backing plate. Clip-in glass snaps onto the motor mount and replaces the original glass outright. Gasket-fit glass serves older mirror heads. Glass with a pre-applied motor mount is the route when the backing plate itself is damaged or missing. Pick the mounting type first: a stick-on glass cannot fix a mirror whose backing plate is gone.
Know when glass-only is the wrong repair
Glass is only one layer of a modern mirror. Behind it sit the backing plate, the adjustment motor, folding mechanisms and sometimes cameras and lights. Mirror makers are explicit that when the housing, mounting structure or actuator is damaged, replacing the glass alone will not restore the mirror. That job needs a motor-mount glass at minimum, and often a full assembly — and full assemblies from name brands sit above the budget tier this guide covers.
Fix cracked glass promptly
The federal standard governs how mirrors are built, but on the road state vehicle codes apply: nearly every state requires at least one mirror giving a clear view at least 200 feet behind the vehicle. A shattered or missing glass can fail that test at a traffic stop, quite apart from the lane-change risk it creates on every drive. Replacement glass is one of the cheapest safety repairs on a car; there is little reason to leave it undone.
Fitment at a glance
| Pick | Vehicle application | Side | Glass type |
|---|---|---|---|
| Dorman 57652 | Jeep Cherokee (KL) 2014–2023, power multi-function mirrors with blind spot detection | Passenger | Convex |
| Dorman 55034 | Chevrolet Cruze 2011–2016; Cruze Limited 2016 | Passenger | Convex |
| K-Source 99285 | Mirrors with heated power function (exact vehicle list not published) | Driver | Not published |
| Fit System C020W | Universal — fits left and right outside mirrors | Both | Convex |
Replacement mirrors by budget
| Tier | What you get | Example pick |
|---|---|---|
| Glass-only route | Stick-on replacement glass for an intact backing plate | K-Source 99285 |
| Feature-matched route | Backed glass that keeps heat and blind-spot functions | Dorman 57652 |
| Add-on route | Extra blind-spot coverage without touching the factory glass | Fit System C020W |
Replacement mirror types
| Type | How it fits | What must be intact | Best for |
|---|---|---|---|
| Stick-on glass | Adhesive pads or tape, over the old glass or onto the backing plate | A sound backing plate | Cracked glass where the housing and mount are undamaged |
| Clip-in backed glass | Snaps onto the motor mount on clips, wiring reconnected first | Motor mount and wiring | Feature mirrors with heat or blind-spot indicators |
| Glass with pre-applied motor mount | Replaces glass and mount as one unit | Housing and actuator | Mirrors whose backing plate is broken or missing |
| Stick-on spot mirror (add-on) | Adhesive onto the face of an intact mirror | A working main mirror | Extra blind-spot coverage only — it does not repair glass |
Detailed reviews
Each review below follows the same order: why the product earned its place, its verified specifications, where it fits, strengths and watch-outs, what owners report, who should skip it and what to pair it with. Every specification comes from the manufacturer documents and listings in our Sources — where a maker does not publish a figure, we say so rather than fill the gap. The practical techniques these reviews reference — wiring care, fitting practice and function testing — are covered across our Info Guide library, including our ATV winch installation and rear winch installation guides.
Best Overall: Dorman 57652 Mirror Glass
Best Overall
Why the Dorman 57652 is our pick
Most cheap mirror fixes are a compromise: a stick-on glass that covers the crack and quietly drops the features the mirror was built with. The 57652 is the genuine article instead — a clip-in replacement glass from Dorman’s OE Solutions line, cut for the Jeep Cherokee, with the heating element and blind-spot indicator glass built in, so the mirror works exactly as it left the factory. It is one of two picks here covered by Dorman’s Limited Lifetime warranty, per the maker’s official warranty-by-product document.
Dorman 57652 key specs
- Part number: 57652
- OE interchange: 68228918AA, 68228918AB
- Vehicle fitment: Jeep Cherokee (KL) 2014–2023
- Side: passenger (right)
- Glass type: convex, with etched closer-than-they-appear warning
- Heated element: yes
- Blind-spot indicator: yes
- Turn signal in glass: no
- Mounting: snap-in clips; one mounting clip included
- Item weight: 7.6 oz
- Warranty: Limited Lifetime
Dorman 57652: fits and best for
This glass fits the passenger side of the Jeep Cherokee (KL) from 2014 to 2023, with one condition: the mirror must be the power multi-function type with blind spot detection. Listing data ties it to Cherokee sales codes GUU (power multi-function fold-away) and XAN (blind spot detection), so check your mirror’s equipment first — the indicator only has something to light up if the vehicle was built with the system. Best for Cherokee owners whose glass is cracked but whose housing, motor and backing are undamaged.
Dorman 57652 pros and watch-outs
- A true clip-in replacement, not a stick-over cover
- Keeps the heated element and blind-spot indicator working
- Convex glass with the factory-style etched safety warning
- Vehicle-specific Cherokee cut; mounting clip included
- Covered by Dorman’s Limited Lifetime warranty
- Only suits Cherokees built with blind spot detection
- Passenger side only
- Some older mirrors may need a service jumper harness to connect the new glass (Stellantis bulletin)
- No product-specific owner coverage exists yet
Dorman 57652: what owners report
Owner coverage for this exact glass is thin: no product-specific owner reports for the 57652 turned up in the forums and retailer questions we checked for this guide, so there is no owner consensus to summarise; the pick rests on the manufacturer’s manual, retailer specification data and Dorman’s warranty document, linked in the Sources.
Dorman 57652: who should not buy
Skip this glass if your Cherokee was built without blind spot detection — the indicator glass will not match your mirror. Skip it if you need the driver side — this is a passenger-side glass, and driver-side glass must be flat by law. And skip it if the damage goes beyond the glass itself.
Dorman 57652: pair it with
Once the glass is replaced, a pair of the Fit System C020W spot mirrors reviewed below adds shoulder blind-spot coverage the factory glass cannot give. Keep a plastic trim tool in the kit too — the manual’s removal steps assume one, and it pries the old glass off without gouging the housing.
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Before ordering, confirm your Cherokee’s mirror options against the sales codes in the listing — GUU for the power multi-function mirror and XAN for blind spot detection. More guides for this category sit under Replacement Mirrors.
Best for Chevy Cruze: Dorman 55034 Mirror Glass
Best for Chevy Cruze
Why the Dorman 55034 is our pick
The Cruze sold in big numbers, and its passenger mirror glass is exactly what owners replace after a parking-lot clip or a winter crack. The 55034 is Dorman’s answer: a snap-in glass cut specifically for the Cruze and Cruze Limited, convex as a passenger glass should be, that aligns on its mounting clips and presses home at the centre until it snaps into place. It carries the same Limited Lifetime warranty as our top pick — a genuine vehicle-specific repair.
Dorman 55034 key specs
- Part number: 55034
- OE interchange: 95215097
- Vehicle fitment: Chevrolet Cruze 2011–2016; Cruze Limited 2016
- Side: passenger (right)
- Glass type: convex
- Heated element: Not published
- Mounting: snap-in mounting clips
- Fit type: vehicle specific fit
- Item weight: 7.36 oz
- Warranty: Limited Lifetime
Dorman 55034: fits and best for
The fitment is narrow and exact: passenger side of the Chevrolet Cruze from 2011 to 2016, plus the 2016 Cruze Limited — the outline and clip positions are made for this mirror alone. One honest gap: the manual’s generic steps mention disconnecting connectors for features such as heating elements, but they do not confirm that this glass carries one, so we list its heated status as not published. Best for Cruze owners replacing cracked passenger glass over a sound housing and mount.
Dorman 55034 pros and watch-outs
- Vehicle-specific Cruze cut and clip positions — no trimming
- Convex passenger glass, as the safety standard expects
- Snap-in fitting: align, press the centre, done
- Covered by Dorman’s Limited Lifetime warranty
- A genuine glass replacement rather than a stick-over cover
- Heated status unconfirmed in the maker’s documents — do not buy it for heat
- Passenger side and Cruze only
- No product-specific owner reports found to draw on
- A damaged mount is a different repair — glass alone will not fix it
Dorman 55034: what owners report
Owner coverage for this exact glass is thin: no product-specific owner reports for the 55034 turned up in the forums and retailer questions we checked, so there is no owner consensus to summarise; the pick rests on Dorman’s manual, its stated fitment and the maker’s warranty document, linked in the Sources.
Dorman 55034: who should not buy
Skip this glass if your Cruze’s damage includes the housing, mount or motor — glass alone will not fix those. Skip it if you need a heated glass, because the maker’s documents do not confirm one for this part number. And skip it for any other vehicle.
Dorman 55034: pair it with
Pair the swap with a careful electrical check: the manual’s steps cover disconnecting any connectors before the glass comes off, and testing the functions afterwards. If your Cruze’s glass is only cracked and you would rather not disturb the clips at all, the stick-on route reviewed next is the gentler repair.
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Photograph any connectors before disconnecting them, then press at the centre of the new glass until every clip snaps — a glass seated on only some clips is the loose, vibrating glass in our troubleshooting table below. Related wiring reading: our winch switch wiring guide.
Best Stick-On Glass: K-Source 99285 Mirror Glass
Best Stick-On Glass
Why the K-Source 99285 is our pick
Not every broken mirror needs its glass unclipped and replaced outright. When the glass is cracked but the backing plate behind it is intact, a stick-on glass is the least invasive repair there is, and K-Source — a mirror-only maker and original-equipment supplier since 1950 — is the specialist for it. The 99285 is its driver-side glass for mirrors with the heated power function, supplied with mounting tape and step-by-step instructions. It is also the only driver-side replacement glass in this guide — the side where the law requires flat, true-distance glass.
K-Source 99285 key specs
- Part number: 99285
- Brand: K-Source (Fit System family)
- Side: driver (left)
- Type: stick-on replacement glass
- Application: mirrors with heated power function only
- Heating grid in the glass: Not published
- Mounting tape: included
- Instructions: included
- Exact vehicle application: Not published
- Warranty: Not published
K-Source 99285: fits and best for
One limit needs stating plainly: the retail listing describes the application — driver-side glass for mirrors with the heated power function — without publishing an exact vehicle list, and K-Source cuts its glass per make and model, so order by vehicle, not part number alone. The listing also does not state whether the glass carries its own heating grid. If your mirror is not heated, the maker’s 99313 is the sibling glass with no heating capability. Best for drivers whose glass is cracked in one piece or cleanly removable, over a sound backing plate.
K-Source 99285 pros and watch-outs
- The gentlest repair here: no clips to release, no wiring to disturb
- Mounting tape and instructions included
- The only driver-side replacement glass in this guide
- Fits over cracked glass still in one piece (maker’s install sheet)
- No exact vehicle list is published — confirm fitment by vehicle
- Its own heating grid is not stated by the seller
- No warranty term published for this glass
- Needs an intact backing plate
K-Source 99285: what owners report
Owner coverage for this exact glass is thin: no product-specific owner reports for the 99285 turned up in the forums and retailer questions we checked, so there is no owner consensus to summarise; the pick rests on the maker’s installation sheet and the retail listing specification, linked in the Sources.
K-Source 99285: who should not buy
Skip this glass if your backing plate is broken or missing — a stick-on glass has nothing sound to bond to. Skip it for the passenger side; it is a driver-side part. And skip it if you want an exact fitment list, because the seller does not publish one — take a vehicle-specific Dorman glass above instead.
K-Source 99285: pair it with
Pair it with proper surface preparation: the maker’s install sheet has you clean the old glass or housing with alcohol before the cushion tape goes on, and that cleaning step is what decides whether a stick-on glass stays stuck.
This glass has no Amazon listing we could verify, so it carries no button of its own. Cruze and Cruze Limited drivers should take the backed-glass alternative instead — the Dorman 55034:
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Use the maker’s two routes correctly: glass cracked but in one piece can be covered after an alcohol clean; glass with pieces missing must be cleared from the housing first. Related visibility guides are collected in our Car Lighting and Visibility section.
Best Blind-Spot Add-On: Fit System C020W Spot Mirrors
Best Blind-Spot Add-On
Why the Fit System C020W is our pick
Let us be clear about what this product is: the C020W does not replace anything. It is a two-pack of two-inch convex spot mirrors from Fit System, the consumer brand of mirror specialist K-Source, that stick onto your existing outside mirrors and widen what they show. It earns its place because many drivers searching for replacement mirrors have intact glass and a different problem: the shoulder blind spot. For that problem, this frameless pair, tape included and universal for either side, is the correct and honest answer.
Fit System C020W key specs
- Model: C020W
- Type: stick-on convex spot mirror, 2-pack — an add-on, not a replacement glass
- Size: 2-inch round
- Lens: convex
- Mirror material: acrylic (per the Amazon listing specification table)
- Frame: frameless
- Mounting: adhesive tape, included
- Item weight: 0.81 oz (pair)
- Warranty: Not published
Fit System C020W: fits and best for
Fitment is the simplest in this guide: the pair sticks onto any outside mirror, either side, on any vehicle. Placement is the only decision: owners put a small spot at an outer or lower corner of the main glass, where it watches the blind spot without covering the working area. It is best for drivers whose mirrors are intact but who want the lane-change blind spot covered. If your glass is cracked, fix it first with a replacement above; this add-on is the finishing touch, not the repair.
Fit System C020W pros and watch-outs
- Covers the shoulder blind spot the main mirror cannot show
- Frameless design keeps almost all of the main mirror usable
- Adhesive tape included; fits in minutes, no tools
- Two mirrors in the pack — one for each side
- It is an add-on only: it cannot repair cracked or missing glass
- Some owners report slight blurriness in the small convex image
- Adhesive life depends on cleaning the mirror face first
- No warranty term published
Fit System C020W: what owners report
Owner experience with two-inch spot mirrors is the best-documented in this guide. A long-time user on the PriusChat forum fits one at the bottom-left corner of the driver mirror and reports that it closes the shoulder blind spot while leaving almost all of the main mirror usable, calling it the cheapest safety upgrade he fits to every car he owns. A third-party review-site roundup on the C020W itself reports the adhesive holding through pressure washing, alongside some feedback of slight blurriness.
Fit System C020W: who should not buy
Skip this if your mirror glass is broken — a spot mirror stuck over cracked glass repairs nothing, and the crack will still fail you legally and practically. Skip it if you dislike any image distortion: a two-inch convex lens compresses a wide view into a small circle, and drivers who find that distracting should rely on the main mirror and a shoulder check.
Fit System C020W: pair it with
Pair it with the glass repair itself: fit the replacement glass first, let any adhesive cure fully, and only then place the spot mirrors on the finished surface. A spot mirror works best as a second check alongside a properly adjusted main mirror, not as a replacement for one. More small add-ons live in our Accessories coverage.
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Stick the spot mirror at the lower outer corner of the main glass, as the owner reports in our Sources describe — that corner watches the blind spot while costing the least main-mirror area. Visibility-minded drivers may also like our warning lights review.
Spec comparison
| Spec | Dorman 57652 | Dorman 55034 | K-Source 99285 | Fit System C020W |
|---|---|---|---|---|
| Part or model number | 57652 | 55034 | 99285 | C020W |
| Brand | Dorman | Dorman | K-Source | Fit System (K-Source) |
| Type | Clip-in replacement glass | Snap-in replacement glass | Stick-on replacement glass | Stick-on spot mirror add-on |
| Side | Passenger | Passenger | Driver | Both |
| Glass curvature | Convex | Convex | Not published | Convex |
| Heated element | Yes | Not published | Not published | Not published |
| Blind-spot indicator | Yes | Not published | Not published | Add-on blind-spot mirror |
| Turn signal in glass | No | Not published | Not published | Not published |
| Mounting | Snap-in clips | Snap-in clips | Adhesive tape (included) | Adhesive tape (included) |
| Included in the box | Glass and one mounting clip | Not published | Glass, mounting tape, instructions | Two spot mirrors, adhesive tape |
| Item weight | 7.6 oz | 7.36 oz | Not published | 0.81 oz (pair) |
| Warranty | Limited Lifetime | Limited Lifetime | Not published | Not published |
| Check Price | No verified Amazon listing — the alternative is the Dorman 55034: |
Installation and wiring basics
Gather the tools the mirror makers list before you start: a putty knife, a flat-head screwdriver, scissors, a towel, silicone or urethane, rubbing alcohol, a rubber mallet and glass cleaner. For stick-on glass there are two maker methods. If the old glass is cracked but present, remove only loose pieces, clean both surfaces, dry-fit and align (minding any signal icons), apply the adhesive patches without covering the icons, and press on with firm, gentle pressure. If the glass is smashed, clear every piece and the old adhesive from the backing plate, clean with rubbing alcohol, test-fit, then stick and press. Work warm and dry: press firmly for at least thirty seconds, allow a full day or two for full bond strength, and do not wash the vehicle during the cure.
Clip-in glass adds a wiring step. Pry the old glass off with a plastic trim tool, disconnect the heater and blind-spot wiring while noting each terminal’s orientation, then connect the new glass, align it and press until the clips click. Dorman’s manual for feature glass recommends disconnecting the battery first; our winch wiring guide and winch-to-truck-battery wiring guide cover the wiring side in depth. Then test adjustment, heat and the blind-spot indicator before driving — battery habits matter after any electrical work, as our winch battery drain article covers. One caution: a Stellantis bulletin records that replacement glass for some older mirrors needs a jumper harness to reach the existing wiring — if a swap will not plug in, it may need that harness, not more force. The garage practice in our truck winch installation guide — parts in order, every fastener kept — serves this job too.
Safety essentials
- Wear safety glasses whenever you handle or pry at broken mirror glass
- Wear cut-resistant gloves and long sleeves when clearing shattered glass
- Park on a level surface with the engine off and the parking brake set
- Disconnect the battery before working on heated or blind-spot mirror wiring
- Use adhesives and cleaners in a ventilated space
- Test adjustment, heat and the blind-spot indicator before you drive
One add-on from this guide earns a permanent place once the glass is fixed: the Fit System C020W spot mirrors widen your repaired mirror’s view — a safety upgrade in its own right. Add a function test of the repaired mirror to the routine in our winch maintenance checklist; drivers building a roadside visibility kit can start with our reflective vests review.
Troubleshooting
| Symptom | Likely cause | Fix |
|---|---|---|
| Replacement glass does not heat | Failed heat grid inside the glass, loose terminals, or a defroster circuit fault | Check voltage and ground at the glass terminals with the heated mirrors on; reseat the terminals; if the grid has failed, replace the glass |
| Clip-in glass feels loose or vibrates | Not all of the mounting clips have engaged | Press at the centre of the glass until every clip clicks into place |
| Stick-on glass lifting at the edges | Surface was not clean and dry, the fitting was done cold, or the cure was interrupted | Remove the glass, clean with rubbing alcohol, refit warm and dry, press firmly and avoid washing the vehicle for a day or two |
| Blind-spot indicator dead after a glass swap | Wrong glass for the option specification, an unseated connector, or an older mirror needing the service jumper harness | Verify the glass matches the vehicle’s option codes, reseat the connector, and check the maker’s service bulletin for the jumper harness |
| New glass shows a distorted image | Convex glass fitted where flat glass belongs | The driver side must be flat, unit-magnification glass by law — fit the correct glass for the side |
| Spot mirror image looks slightly blurred | Normal compression of a wide view into a small convex lens; also reported by some owners of this add-on | Reposition the spot mirror to the corner of the main glass and use it as a secondary check alongside the main mirror, not instead of it |
Who should NOT buy these
Your backing plate, mount or motor is damaged. Every pick in this guide assumes the mirror behind the glass still works. Stick-on glass needs a sound backing plate to bond to, and clip-in glass needs a sound motor mount to snap onto. If the plate is cracked, the motor dead or the housing broken, none of these glasses will restore the mirror — you are into motor-mount glass or full-assembly territory. Motor work is its own repair job — our winch motor repair guide shows the shape of that work. Start from the Replacement Mirrors category and price the bigger repair honestly instead.
Your vehicle is not one of the listed fitments. The two backed picks are cut for exactly one vehicle family each: the Cherokee and the Cruze. A vehicle-specific glass does not adapt to another mirror’s outline, diagonal or clip pattern, and forcing it invites the loose, vibrating result in our troubleshooting table. Measure your old glass diagonally and match the outline before ordering anything.
You need the driver side. Both Dorman picks are passenger-side glasses: driver-side glass must be flat, unit-magnification glass under the federal standard, so the convex passenger glasses cannot be swapped across. The only driver-side replacement in this guide is the K-Source 99285, and it only serves mirrors with the heated power function. If your driver glass is broken on a manual or plain power mirror, none of these four picks is your repair.
You want coverage, but your glass is broken. The Fit System C020W is the most tempting shortcut in this guide and the most misused: stuck over cracked glass, it repairs nothing, distorts the remaining view and leaves you driving on a mirror that can fail a roadside inspection. Fix the glass first with a real replacement, then add the spot mirrors to the finished mirror if you still want the extra coverage.
Final verdict
For Jeep Cherokee owners, the Dorman 57652 is the complete repair: heat, blind-spot warning and lifetime cover in one clip-in glass.
For Chevrolet Cruze owners, the Dorman 55034 is the exact-fit glass: vehicle-specific, snap-in, lifetime cover — just do not buy it counting on heat.
For a driver-side heated power mirror over a sound backing plate, the K-Source 99285 is the gentle repair. It has no verified Amazon listing; Cruze owners should take the backed alternative, the Dorman 55034.
And for intact mirrors that do not show enough, the Fit System C020W is not a repair at all — just the simplest blind-spot coverage you can stick on.
FAQ
Can I replace just the mirror glass instead of the whole mirror?
Usually, yes — and mirror makers encourage it. When the damage is limited to the glass and the backing plate, motor, housing and wiring behind it still work, replacing the whole assembly means paying to replace equipment that is not damaged. Glass-only repair is the cost-effective route this entire guide is built on. It stops being the right answer when the backing plate is broken or missing, or when the housing, mounting structure or adjustment motor is damaged; those faults need a motor-mount glass or a full assembly.
Is it legal to drive with a cracked side mirror?
It is a genuine legal risk, not just an eyesore. The federal safety standard governs how mirrors are manufactured, but on the road, state vehicle codes apply, and nearly every state requires at least one mirror that gives the driver a clear view at least 200 feet behind the vehicle. A shattered glass that cannot give that view can draw a ticket or fail an inspection. Treat cracked mirror glass as a prompt repair, not a cosmetic one.
Why is driver-side glass flat and passenger-side glass convex?
Because the federal standard, FMVSS 111, sets it that way. The driver-side outside mirror must give unit magnification — a true-distance, flat image — so following traffic is judged accurately. A passenger-side mirror is allowed to be convex, which widens the field of view, only within a fixed radius of curvature and only with the permanent etched warning that objects in the mirror are closer than they appear. That is also why a convex glass must never be fitted on the driver side: the law treats the two sides differently.
Will a stick-on glass keep my heated mirror working?
Heat survives a glass swap only when the replacement glass carries a pre-applied heating element and its terminals are reconnected; a plain glass laid over a heated mirror fits physically but the function is lost. Read listings carefully: one K-Source sibling glass states plainly it has no heating capability despite fitting heated power mirrors, and this guide’s K-Source pick is listed for heated power applications without stating whether its own grid is included. If heat matters, take a backed glass with a confirmed element — our top pick.
How do I know which replacement glass fits my car?
Start with the vehicle, not the part number. Replacement glass is custom-cut per model, so confirm the year, model and side, then measure your old glass diagonally from longest corner to longest corner and compare the outline — makers warn that several glass options can exist for the same vehicle. For feature mirrors, also match the option specification: blind-spot glass, for example, is built for specific equipment codes, and a glass made for a mirror without the system will not add it.
My backing plate is broken too. Can I still use stick-on glass?
No. Stick-on glass bonds to the backing plate or over the old glass, so a broken or missing plate leaves it nothing sound to hold onto. Your options move up a level: glass with a pre-applied motor mount replaces the glass and mount together when the housing and actuator survive, and a full assembly is the answer when they do not. Both sit above the budget tier of this guide, which is why our finder routes backing damage to the clip-in glasses instead.
How long does stick-on mirror glass take to cure?
The fitting itself takes minutes, but the bond needs patience. Mirror makers instruct a firm press of at least thirty seconds, then a full twenty-four to forty-eight hours for the adhesive to reach full strength, and the vehicle should not be washed during that cure window. Fit the glass in a warm, dry environment where you can: cold and damp conditions are the usual story behind stick-on glass that lifts at the edges a week later.
Will the blind-spot warning still work after a glass swap?
Yes, provided the replacement glass was built for the system. Blind-spot glass carries the indicator window or etched icon and works with the warning light already in the mirror, and it has to match the vehicle’s option specification — our top pick is built for specific Cherokee equipment codes that include blind spot detection. Fit a plain glass instead and the indicator has nothing to shine through. After any swap, test the indicator along with adjustment and heat before you drive.
What if my mirror has a turn signal in the glass?
Then the replacement has to be signal glass. A turn signal in the mirror works through a window and light source in the original glass, and a replacement without that provision will not carry the signal across. Match the feature set your mirror was built with — heat, blind-spot indicator and signal alike — before ordering. Note that neither backed pick in this guide adds a signal: our top pick’s specification states no turn signal in the glass, so signal-mirror owners should shop for their exact feature glass instead.
Sources
Manufacturer documents
- Dorman 57652 instruction manual
- Dorman 55034 instruction manual
- Dorman warranty by product (official document)
- Burco mirror glass installation guide
- Burco 4454 manual (adhesive cure details)
- K-Source replacement mirror installation instructions
- Stellantis service bulletin: service glass and jumper harness
Retailer and listing evidence
- PartsGeek — Dorman Cherokee door mirror glass specifications
- AutoZone — K-Source 99285 listing
- Summit Racing — K-Source mirror lines
- Amazon — Fit System C020W listing
Owner reports and questions
- Amazon owner review of a glass-only swap (via Woot)
- JustAnswer — GM technician on heated mirror glass failure
- PriusChat — owner thread on two-inch spot mirrors
- The Motor Guy — C020W roundup
Standards and law
By Leo, Founder, WinchInsider
Leo founded WinchInsider to publish research-based buying guides for winches and vehicle accessories. Every guide on the site is built from manufacturer documents, manuals and real owner reports, and every pick has to earn its place on evidence — affiliate links never change a ranking.