Bed Extender F150 Reviews

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The lumber is two feet longer than the bed, the tailgate is down, and the load is held in by hope and a ratchet strap. Every F-150 owner who hauls long loads knows the moment: the bed is almost long enough, and almost is the problem.

A bed extender closes that gap. Flip it out with the tailgate down and the bed gains up to two feet of enclosed cargo space; flip it in and it becomes a containment barrier that keeps small loads from sliding to the cab. Five extenders here do that job, from the AMP Research original to a budget retractable and two hitch-mount designs.

This guide reviews them on maker evidence and owner reports, with one warning stated up front: the AMP part number matters more than the brand name, because the F-150 takes a different part number from the Super Duty. Every pick carries a verified Amazon button.

The 30-second answer

Buy the AMP Research BedXTender HD Max for the best overall F-150 extender — but order part 74813-01A in black for the F-150, not the 74814 large-truck version on the button below. Buy the Lund-in-Motion Universal BedXTender for a universal fit that works on full-size and mid-size trucks alike. Buy the VEVOR Truck Bed Extender for the cheapest retractable option, noting it needs drilling. Buy the Boonedox T-Bone for kayaks and long loads on a hitch mount. Buy the Erickson 07600 Big Bed Senior for a heavy-duty hitch extender rated at 400 lb.

How we researched this guide

We profiled five bed extenders, checked five maker documents and listings, verified five Amazon listings, and reviewed six groups of owner and reviewer reports. Five picks made the slate; the AMP BedXTender HD Sport was considered but no single-size Amazon listing could be verified for it, so it is not a pick.

Quick picks

Best Overall

AMP Research BedXTender HD Max

The original U-shaped flip-out extender in 6063 T6 aluminium — up to two extra feet of enclosed bed, and a containment barrier when flipped in.

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Best Universal Fit

Lund-in-Motion Universal BedXTender

The Lund-branded universal version of the AMP flip-out — same up-to-two-feet extension, sized for all full-size and mid-size trucks.

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Best Budget

VEVOR Truck Bed Extender

A retractable aluminium tailgate extender that adjusts from 55.5 to 68 inches — the cheapest way to add length, with drilling required.

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Best for Kayaks and Long Loads

Boonedox T-Bone Truck Bed Extender

A hitch-mount T-bone extender for kayaks, canoes and lumber — the load rides on the receiver, not the tailgate.

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Best Heavy-Duty Hitch Extender

Erickson 07600 Big Bed Senior

A hitch-mount pick-up bed extender rated at 400 lb — the heavy-duty answer for ladders, lumber and equipment on the receiver.

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Quick compare

Product Extension Material and design Warranty
AMP Research BedXTender HD Max Up to 2 ft 6063 T6 aluminium, U-shape Tailgate flip-out Limited 3-year Check Price
Lund-in-Motion Universal BedXTender Up to 2 ft Universal, flip-out Tailgate flip-out Limited lifetime Check Price
VEVOR Truck Bed Extender Adjustable length Aluminium, retractable Tailgate, drill required Not published Check Price
Boonedox T-Bone Truck Bed Extender Long loads Hitch-mount T-bone Receiver hitch Not published Check Price
Erickson 07600 Big Bed Senior 400 lb rated Hitch-mount, heavy-duty Receiver hitch Not published Check Price

Match a bed extender to your F-150, your load and your install

Bed extender calculator — answer three questions, get your match

Step 1 — What do you haul most?




Step 2 — How should it mount?




Step 3 — What matters most?




Tell the calculator what you haul first — lumber, kayaks or small loads need different extenders. Add how it should mount and what matters most, and your matching extender appears here, with its buying route stated honestly.

How to choose a bed extender for the F-150

1. Start with the part number, not the brand

AMP makes the BedXTender in several sizes, and the F-150 takes the deep-bed part — 74813-01A in black, 74813-00A in silver — while the large-truck universal version is 74814. The listing linked below is the 74814 large-truck version, so F-150 buyers must select the 74813 part on the product page. A part number is the whole purchase here.

2. Decide flip-out or hitch-mount

A flip-out extender mounts to the tailgate and adds up to two feet of enclosed space, then flips in to contain small loads. A hitch-mount extender slides into the receiver and supports long loads from behind, which suits kayaks and lumber better. The two designs solve different problems, and the wrong one is a return.

3. Check the bed width and the tailgate

Extenders are sized by bed width, and the F-150’s deep bed needs the deep-bed version. Check the tailgate too: some trims with a tailgate step need a different bracket kit, and a drop-in bedliner can change the mounting points. Measure the bed width before ordering.

4. Count the install: drill or no-drill

The AMP extenders install with brackets and, on many F-150s, a no-drill bracket kit is available separately. The budget VEVOR retractable needs drilling, and the hitch-mount extenders need nothing but the receiver. Decide whether drilling the bed is acceptable before the box arrives.

5. Read the weight rating, not the length

A hitch-mount extender rated at 400 lb carries a different load from a flip-out extender that contains rather than supports. The rating that matters is the one for the way you will use it: a kayak on a T-bone and a toolbox behind a flipped-in gate are different loads.

6. Check what happens with the tailgate closed

A good flip-out extender flips inside and lets the tailgate close, turning the bed into a contained space for small loads. If the extender blocks the tailgate or rattles when closed, it will spend its life removed — which defeats the purpose of buying it.

Bed extenders for the F-150 by budget

Tier What you get Example pick
Value A retractable or hitch-mount extender for occasional long loads VEVOR Truck Bed Extender
Mid-range A universal flip-out extender that fits most full-size trucks Lund-in-Motion Universal BedXTender
Premium The AMP original, sized for the F-150 deep bed AMP Research BedXTender HD Max

Types of bed extenders for the F-150

Type Best for Watch out for
Flip-out tailgate extender Long loads with the tailgate down, small loads contained Needs the right part number for the bed width
Universal flip-out One extender for several trucks in the household Compromise fit — check the width before ordering
Retractable tailgate extender Adjustable length for different loads Needs drilling, and the mechanism needs care
Hitch-mount T-bone Kayaks, canoes and long lumber from the receiver Blocks the hitch while fitted, and needs a flag

Detailed reviews: every pick, on maker evidence

Five extenders follow, in the order we would buy them for an F-150 that hauls long loads. Every figure comes from the maker documents or the Sources below, and every pick carries its own verified Amazon button.

Best Overall: AMP Research BedXTender HD Max

Best Overall

Why the AMP Research BedXTender HD Max is our pick

This is the pick the other four are measured against. The BedXTender HD Max is built from high-grade 6063 T6 aluminium tubes with glass-reinforced nylon composite uprights and a powder-coat finish, and it flips out with the tailgate open to add up to two feet of enclosed cargo space, then flips inside to keep small loads contained. One warning matters more than any feature — the F-150 takes the deep-bed part, 74813-01A in black or 74813-00A in silver, while the listing linked below is the 74814 large-truck version, so F-150 buyers must select the 74813 part on the product page.

AMP Research BedXTender HD Max key specs

  • Material: 6063 T6 aluminium alloy tubes
  • Uprights: glass-reinforced nylon composite
  • Extension: up to 2 ft of enclosed space
  • Finish: black powder coat
  • F-150 part: 74813-01A (black), 74813-00A (silver)
  • Large-truck part on listing: 74814-00A
  • Warranty: limited 3-year
  • Made in: USA
  • Mount: tailgate, brackets included
  • No-drill bracket kit: 74602-01A, sold separately

AMP Research BedXTender HD Max: fits and best for

Fits 2004 to 2023 F-150 models with the deep-bed 74813 part, plus 2007 to 2022 Toyota Tundra and 2022 to 2023 F-150 Lightning. Best for owners who haul lumber, ladders and long gear weekly and want the extender to live on the truck.

AMP Research BedXTender HD Max pros and watch-outs

  • Up to 2 ft of extra enclosed space
  • 6063 T6 aluminium, light and strong
  • Flips in as a containment barrier
  • Made in the USA
  • No-drill bracket kit available
  • F-150 needs the 74813 part, not the linked 74814
  • Bracket kit sold separately on some years
  • U-shape limits very wide loads
  • Powder coat chips if abused

AMP Research BedXTender HD Max: what owners report

The AMP install guide lists the deep-bed part numbers plainly: 74813-00A silver and 74813-01A black for the F-150 and Tundra (AMP install guide)

Reviewers note the U-shape design and powder-coated aluminium tubes as the reasons it lasts (Wonderful Engineering F-150 bed extenders)

Owners report the extender doubles as secure cargo space for small items when flipped in (CarDeeply F-150 bed extender guide)

AMP Research BedXTender HD Max: who should not buy

Do not buy this extender without confirming the part number for the truck. The 74814 version on the linked listing is the large-truck universal size, and while it fits many full-size trucks, the F-150 deep bed takes the 74813.

AMP Research BedXTender HD Max: pair it with

Pair it with the no-drill bracket kit 74602-01A if the truck is a 2004 or newer F-150 and drilling is not wanted. A ratchet strap set completes the kit.

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Tip: Check the part number twice: 74813-01A black for the F-150 deep bed — the linked listing shows the 74814 large-truck version. 12V air compressor guide

Best Universal Fit: Lund-in-Motion Universal BedXTender

Best Universal Fit

Why the Lund-in-Motion Universal BedXTender is our pick

This is the pick for a household with more than one truck. The Lund-in-Motion Universal BedXTender is built by AMP Research for Lund, part 74825-01LR, and it fits all full-size and mid-size pickup trucks with the same flip-out, flip-in design: up to two feet of extra storage with the tailgate open, and a containment barrier with the tailgate closed. It carries a limited lifetime warranty and is made in the USA, and the universal sizing means it can move between trucks when the household fleet changes. For an F-150 owner who also runs a mid-size truck, it is the one extender that covers both.

Lund-in-Motion Universal BedXTender key specs

  • Part: 74825-01LR
  • Fit: all full-size and mid-size pickup trucks
  • Extension: up to 2 ft
  • Design: flip out / flip in
  • Warranty: limited lifetime
  • Made in: USA
  • Brand: LUND, built by AMP Research
  • First available: January 2019
  • Mount: tailgate
  • Finish: black

Lund-in-Motion Universal BedXTender: fits and best for

Fits all full-size and mid-size pickup trucks, including the F-150, where one extender must cover more than one truck. Best for households with two trucks of different sizes, or for buyers who may change trucks and want the extender to move with them.

Lund-in-Motion Universal BedXTender pros and watch-outs

  • Fits full-size and mid-size trucks
  • Same flip-out design as the AMP original
  • Limited lifetime warranty
  • Made in the USA
  • Moves between trucks
  • Universal fit is a compromise
  • Not sized exactly for the F-150 deep bed
  • Fewer size options than the AMP range
  • Listing is a Canadian marketplace page

Lund-in-Motion Universal BedXTender: what owners report

The listing states the universal fit plainly: all full-size and mid-size pickup trucks, with a limited lifetime warranty (Lund International maker site)

Owners report the flip-out design adds up to two feet of storage and secures small items when flipped in (RealTruck)

Reviewers list the Lund-in-Motion as the universal option for buyers with more than one truck (ShortFilmCentral bed extenders)

Lund-in-Motion Universal BedXTender: who should not buy

Do not buy the universal version if the truck is an F-150 deep bed and the exact fit matters. The AMP 74813 is sized for that bed, and the universal extender trades a perfect fit for flexibility — a trade worth making only when more than one truck is involved.

Lund-in-Motion Universal BedXTender: pair it with

Pair it with a tape measure check of the bed width before ordering, since universal means it fits most trucks, not every truck perfectly. A bed mat underneath keeps small loads from sliding, and our garage floor mat guide covers the same idea for the garage.

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Tip: Measure the bed width first — universal fit still needs the width to match, and the F-150 deep bed is wider than a mid-size bed. garage floor mat guide

Best Budget: VEVOR Truck Bed Extender

Best Budget

Why the VEVOR Truck Bed Extender is our pick

This is the pick when the budget decides and the load is occasional. The VEVOR Truck Bed Extender is a retractable aluminium tailgate extender that adjusts from 55.5 to 68 inches, so it spans the bed widths of full-size trucks including the F-150, and it extends the tailgate for long loads without the price of the AMP original. The trade is stated on the listing: drilling is required, so the install is permanent in a way the AMP bracket kit is not.

VEVOR Truck Bed Extender key specs

  • Length: adjustable 55.5 to 68 in
  • Material: aluminium
  • Mount: tailgate, drill required
  • Fit: F-150, Super Duty, Ram, Tundra, Titan, Silverado, Sierra
  • Model: TZJ-01-02
  • UPC: 197988625544
  • Design: retractable tailgate extender
  • Finish: aluminium
  • Size: select by bed measurement
  • Warranty: not published on the listing

VEVOR Truck Bed Extender: fits and best for

Fits full-size trucks including the F-150 where the bed measures within the 55.5 to 68-inch adjustment range. Best for occasional long loads on a budget, where drilling the bed is acceptable.

VEVOR Truck Bed Extender pros and watch-outs

  • Adjusts 55.5 to 68 inches
  • Cheapest pick here
  • Aluminium construction
  • Fits many full-size trucks
  • Retractable for different loads
  • Drilling required
  • No published warranty
  • Retractable mechanism needs care
  • No containment mode like the AMP

VEVOR Truck Bed Extender: what owners report

The listing states the adjustable length and the drill requirement plainly, with F-150 compatibility listed (Vivid Racing bed extender fitment)

Roundups list retractable extenders as the budget route for occasional long loads (ShortFilmCentral bed extenders)

Reviewers note a retractable extender suits owners who haul long loads a few times a year, not weekly (BrazeTools bed extenders)

VEVOR Truck Bed Extender: who should not buy

Do not buy this extender if drilling the bed is not acceptable, or if the load needs the containment mode of a flip-out design. A retractable extender extends the bed and nothing else — it does not keep small loads from sliding, and buyers who need that should buy the AMP.

VEVOR Truck Bed Extender: pair it with

Pair it with a careful measurement of the bed before ordering, since the adjustment range is the whole fitment check. A drill, a centre punch and a rust-proofing touch-up for the holes complete the install, and our automotive multimeter guide covers the garage checks that go with it.

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Tip: Measure the bed width twice and drill once — the adjustment range covers most full-size beds, but only the measurement proves it. multimeter guide

Best for Kayaks and Long Loads: Boonedox T-Bone Truck Bed Extender

Best for Kayaks and Long Loads

Why the Boonedox T-Bone Truck Bed Extender is our pick

This is the pick for kayaks, canoes and lumber. The Boonedox T-Bone is a hitch-mount truck bed extender that slides into the receiver and supports long loads from behind the truck, rather than extending the tailgate. That matters for a kayak: the load is supported at two points — the bed and the T-bone — instead of cantilevered off the tailgate, and the extender comes off in seconds when the trip is done. It is the classic T-bone design, part BDX-TB, and it suits any truck with a receiver, including the F-150, where the load is long, light and awkward rather than heavy.

Boonedox T-Bone Truck Bed Extender key specs

  • Design: hitch-mount T-bone
  • Part: BDX-TB
  • Model: BDX-TBPK
  • UPC: 810062290963
  • Mount: receiver hitch
  • Best for: kayaks, canoes, lumber
  • Removal: slides out of the receiver
  • Finish: black
  • Fit: trucks with a receiver hitch
  • Warranty: not published on the listing

Boonedox T-Bone Truck Bed Extender: fits and best for

Fits any truck with a receiver hitch, including the F-150, where the load is a kayak, canoe or lumber. Best for paddlers and builders who haul long, light loads and want the extender off the truck between trips.

Boonedox T-Bone Truck Bed Extender pros and watch-outs

  • Supports kayaks at two points
  • Slides out in seconds
  • No drilling, no tailgate brackets
  • Fits any truck with a receiver
  • Classic, simple design
  • Blocks the hitch while fitted
  • Not for heavy loads
  • No containment mode
  • Needs a flag on the overhang

Boonedox T-Bone Truck Bed Extender: what owners report

The listing describes the T-bone as the classic hitch-mount extender for trucks, with a black finish (RealTruck)

Roundups list hitch-mount extenders as the answer for oversized loads such as ladders, racks and canoes (BrazeTools bed extenders)

Reviewers note a T-bone suits long, light loads best, where the support point behind the truck matters most (ShortFilmCentral bed extenders)

Boonedox T-Bone Truck Bed Extender: who should not buy

Do not buy a T-bone if the load is heavy, or if the bed needs containing rather than extending. A kayak is the ideal load; a toolbox is not, and buyers who need the bed contained should buy a flip-out extender instead.

Boonedox T-Bone Truck Bed Extender: pair it with

Pair it with a red flag on the overhang and a strap set for the load, since the law in most states requires a flag on anything extending past the bed.

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Tip: Flag the overhang every time — a kayak extending past the tailgate without a flag is a ticket and a hazard. dash camera guide

Best Heavy-Duty Hitch Extender: Erickson 07600 Big Bed Senior

Best Heavy-Duty Hitch Extender

Why the Erickson 07600 Big Bed Senior is our pick

This is the pick when the load is heavy, not just long. The Erickson 07600 Big Bed Senior is a pick-up bed extender rated at 400 lb, built for ladders, lumber and equipment that need real support behind the truck rather than a light kayak cradle. It mounts to the receiver hitch, extends the bed for long loads, and carries the Erickson name that has been in the towing aisle for years. At 400 lb it is the only hitch-mount pick here with a published weight rating, and that number is the reason to buy it: the load is supported, not just steadied.

Erickson 07600 Big Bed Senior key specs

  • Rated capacity: 400 lb
  • Design: hitch-mount pick-up bed extender
  • Model: 7600
  • Part: 07600
  • Mount: receiver hitch
  • First available: September 2014
  • Brand: Erickson
  • Best for: ladders, lumber, equipment
  • Finish: not published on the listing
  • Warranty: not published on the listing

Erickson 07600 Big Bed Senior: fits and best for

Fits trucks with a receiver hitch, including the F-150, where the load is heavy as well as long — ladders, lumber stacks and equipment. Best for builders and tradespeople who haul weight, not just length.

Erickson 07600 Big Bed Senior pros and watch-outs

  • 400 lb rated capacity
  • Hitch-mount, no drilling
  • Suits ladders and lumber
  • Long-running Erickson design
  • Removes in seconds
  • Heavier than the T-bone
  • No containment mode
  • Blocks the hitch while fitted
  • Listing showed no featured offers at crawl

Erickson 07600 Big Bed Senior: what owners report

The listing rates the Big Bed Senior at 400 lb and describes it as a pick-up bed extender for heavy loads (BrazeTools bed extenders)

Roundups list hitch-mount extenders with published weight ratings as the honest choice for heavy loads (ShortFilmCentral bed extenders)

Reviewers note a rated hitch extender suits ladders and lumber better than a light kayak cradle (The Motor Guy F-Series bed extenders)

Erickson 07600 Big Bed Senior: who should not buy

Do not buy this extender for a kayak or a light load — the T-bone is lighter, cheaper and easier to remove.

Erickson 07600 Big Bed Senior: pair it with

Pair it with a strap set rated for the load and a flag for the overhang. A receiver lock keeps the extender on the truck between jobs, and our 12V air compressor guide covers the tyres that carry the weight.

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Tip: Check the listing for a live offer before ordering — this one showed no featured offers when last crawled, and the T-bone is the fallback if it is unavailable. larger 12V compressor guide

Spec comparison

Spec AMP Research BedXTender HD Max Lund-in-Motion Universal BedXTender VEVOR Truck Bed Extender Boonedox T-Bone Truck Bed Extender Erickson 07600 Big Bed Senior
Extension Up to 2 ft Up to 2 ft Adjustable length Long loads Long loads, 400 lb
Material 6063 T6 aluminium Not published Aluminium Not published Not published
Mount Tailgate flip-out Tailgate flip-out Tailgate, drill required Receiver hitch Receiver hitch
F-150 fit 74813-01A black Universal 55.5 to 68 in range Any receiver Any receiver
Containment mode Yes, flips in Yes, flips in No No No
Warranty Limited 3-year Limited lifetime Not published Not published Not published
Best for Weekly long loads Two-truck households Occasional, budget Kayaks, canoes Heavy ladders, lumber
Install Brackets, no-drill kit available Tailgate brackets Drilling required Slides into receiver Slides into receiver
Weight rating Not published Not published Not published Not published 400 lb
Check Price Check Price Check Price Check Price Check Price Check Price

Installation basics

A flip-out extender installs on the tailgate: the brackets bolt to the bed sides or the tailgate, the U-frame pivots on them, and the no-drill bracket kit 74602-01A covers 2004 and newer F-150s where drilling is not wanted. The AMP install guide shows the deep-bed part numbers plainly — 74813-00A in silver and 74813-01A in black for the F-150 and Tundra — and the large-truck universal parts are 74814-00A and 74814-01A. Confirm the part number before the brackets go on, because the wrong size will not sit square.

A retractable extender such as the VEVOR needs drilling, so the install is slower: measure the bed width, mark the holes, centre-punch them, drill, and touch up the bare metal against rust before the extender goes on. A hitch-mount extender needs nothing but the receiver: slide it in, fit the pin, and check that it sits level before the load goes on. In every case, test the flip or the slide before loading — an extender that binds empty will bind worse under a ladder.

After install, load it and drive around the block before the first real trip. A flip-out extender should flip in and let the tailgate close without forcing, and a hitch-mount extender should not rattle in the receiver. If it rattles, an anti-rattle pin or a shim is the fix — and our replacement mirror guide covers the towing mirrors that matter when a long load hangs off the back.

Safety essentials

A long load is a lever — respect it.

  • Never drive with a load extending past the bed without a flag — the overhang is a hazard to following traffic and a ticket in most states.
  • Never exceed the extender’s rating, and never assume a flip-out extender supports weight the way a hitch-mount one does.
  • Strap every long load at two points — the bed and the extender — and check the straps after the first few miles.
  • Never let a load rest on the tailgate cables alone — the extender, not the cables, carries the weight.
  • Check the brackets, pins and bolts before every trip — a loose bracket on a flip-out extender is the failure to catch.
  • If the load shifts, sways or bounces, stop and re-strap it — a load that moves will keep moving until it leaves the truck.

Roadside recovery accessories for the kit bag

Troubleshooting

Symptom Likely cause Fix
Extender will not flip in Brackets misaligned or bed liner in the way Re-check the bracket positions and trim the liner if needed
Extender rattles in the receiver Play between the shank and the receiver Fit an anti-rattle pin or a shim
Tailgate will not close Extender not fully flipped in, or wrong part Check the part number and the flip stops
Load slides sideways Only one strap point, or straps too loose Strap at two points and re-tension after a few miles
Powder coat chipping Load dragged across the tubes Touch up the chips and pad the contact points
Brackets loosening Bolts not torqued, or no thread locker Re-torque with thread locker and re-check after 50 miles

Who should NOT buy these

Owners who will not check the part number. The AMP line has several sizes, and the F-150 takes the 74813. If the part number has not been confirmed, the extender is a return waiting to happen — our 12V air compressor guide covers the tyres, and the same measure-first habit applies here.

Drivers who need the hitch free. A hitch-mount extender occupies the receiver, so the truck cannot tow while it is fitted. If the trip needs both a trailer and an extender, the flip-out AMP is the answer, not the T-bone.

Buyers who will not drill, buying the VEVOR. The VEVOR needs drilling, full stop. If the bed must stay un-drilled, buy the AMP with the no-drill bracket kit and pay the difference.

Owners hauling heavy loads on a light extender. A kayak cradle is not a 400 lb support. If the load is ladders and lumber, the Erickson is the pick; if it is a kayak, the T-bone is the pick — and mixing them up is how loads end up on the road.

Final verdict

AMP Research BedXTender HD Max: The original and still the best — but order the 74813 part for the F-150. Check Price

Lund-in-Motion Universal BedXTender: One extender for the whole household fleet, with a lifetime warranty. Check Price

VEVOR Truck Bed Extender: The cheapest honest length, if drilling the bed is acceptable. Check Price

Boonedox T-Bone Truck Bed Extender: The paddler’s extender: two support points, off in seconds. Check Price

Erickson 07600 Big Bed Senior: The heavy-duty hitch extender: 400 lb rated, for ladders and lumber. Check Price

FAQ

What bed extender fits a Ford F-150?

The AMP Research BedXTender HD Max in the deep-bed size — part 74813-01A in black or 74813-00A in silver — fits 2004 to 2023 F-150 models. The linked listing shows the 74814 large-truck version, so F-150 buyers must select the 74813 part on the product page.

How much extra length does a bed extender add?

A flip-out extender such as the AMP adds up to two feet of enclosed cargo space with the tailgate down. A retractable extender adjusts to the load, and a hitch-mount extender supports whatever length overhangs the receiver — the number that matters is the rating, not the length.

Do bed extenders need drilling?

It depends on the design. The AMP installs with brackets and a no-drill kit is available for 2004 and newer F-150s, while the VEVOR retractable needs drilling. Hitch-mount extenders need no drilling at all — they slide into the receiver.

Can I close the tailgate with a bed extender fitted?

A flip-out extender flips inside and lets the tailgate close, turning the bed into a contained space for small loads. A hitch-mount extender does not affect the tailgate at all, since it lives in the receiver behind the truck. Test the flip before the first load, so a binding extender is caught empty.

Will a bed extender fit with a drop-in bedliner?

Most extenders mount to the tailgate and work with a drop-in liner, but the liner can change the mounting points. Confirm compatibility with both the extender and the liner before ordering, and check the bracket positions against the liner’s edges.

What is the difference between the AMP HD Max and HD Sport?

The HD Max is the U-shaped design for deep beds such as the F-150, while the HD Sport is the V-shaped design for a different set of trucks. The part numbers differ, the shapes differ, and the two are not interchangeable — which is why the part number matters more than the name.

Do I need a flag on a load that overhangs the bed?

Yes, in most states a load extending past the bed needs a red flag, and the flag is a safety item as much as a legal one. Strap the load at two points and flag the overhang every time, even for a short trip.

Can a bed extender carry a kayak?

Yes — a hitch-mount T-bone such as the Boonedox supports a kayak at two points, the bed and the extender, which is the right way to carry a long light load. Strap it at both points and flag the overhang.

Why does the AMP listing show a different part number?

AMP sells the BedXTender in several sizes, and Amazon listings vary by size. The linked listing is the 74814 large-truck version; F-150 buyers need the 74813-01A in black. Select the part on the product page before ordering. The part number, not the listing title, is the fitment — check it twice.

Sources

By Leo, Founder, WinchInsider

Leo runs WinchInsider and writes every guide from maker documents, listing evidence and owner reports — no hands-on testing claims, no invented specs. If a listing changes after publication, the buying button takes you to the live listing so you can confirm fitment before you order.

Related guides

Our top pick: AMP Research BedXTender HD Max — best overall:

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