How we researched this guide
We compared 4 verified HID kits and bulbs against 4 maker and retailer listing records, checking published specifications, part numbers, fitment notes, and included hardware before any product made this shortlist. Products whose Amazon listing could not be matched to a maker record were left out entirely rather than listed on a guess.
We then reviewed 4 owner and roundup sources, including retailer review pages and independent roundups, and paraphrased the recurring themes below with links. We did not test any product in person; every specification below is reported as a maker or listing claim, and conflicts are printed as conflicts. This guide covers two different jobs: converting a halogen Volkswagen to HID, and replacing a factory-HID bulb on a Volkswagen that already has HID. The two jobs need different parts, and buying the wrong one is the most common error, so the shortlist separates them plainly.
The 30-second answer
Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K, Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K, Philips D2S 85122C1 Xenon HID Headlight Bulb Single, and SEALIGHT D3S HID Bulbs 6500K Pair.
Best conversion kit
Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K
A complete H11 HID conversion kit: two 10000K xenon bulbs and two 55W Canbus error-free ballasts, for halogen Volkswagens converting to HID.
Best 9006 conversion
Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K
A 9006 HID conversion bundle: two 6000K xenon bulbs, two 55W slim ballasts, and accessories, for halogen Volkswagens with a 9006 low-beam socket.
Best factory-HID replacement
Philips D2S 85122C1 Xenon HID Headlight Bulb Single
A genuine Philips D2S xenon bulb for factory-HID Volkswagens, sold singly, for a direct OEM replacement without a conversion kit.
Best D3S pair
SEALIGHT D3S HID Bulbs 6500K Pair
A pair of SEALIGHT D3S HID bulbs at 6500K for factory-HID Volkswagens, covering the D3S cars that the Philips D2S does not fit.
| Kit | Type | Bulb size | Colour | Check Price |
|---|---|---|---|---|
| Innovited H11 kit | Conversion | H11/H9/H8 | 10000K | |
| Xentec 9006 bundle | Conversion | 9006/HB4 | 6000K | |
| Philips D2S | OEM replacement | D2S | OEM | |
| SEALIGHT D3S | OEM replacement | D3S | 6500K |
Find your HID kit
Choose the current headlight setup and the bulb size. The finder matches the answer to this guide’s picks. Enter how many bulbs need replacing.
Bulbs to replace: Current setup: Bulb size:
How to choose an HID headlight kit
An HID purchase is a fitment decision first. The six points below prevent the wrong-part error.
Conversion or replacement, never both
Halogen cars need a conversion kit with ballasts; factory-HID cars need a D-series bulb only. Buying a conversion kit for a factory-HID car, or a D bulb for a halogen car, wastes the order. Photograph the old bulb and its markings before ordering, since the photo settles any later dispute about which size was fitted.
Read the old bulb base
The bulb size and D-series type are marked on the old bulb base and in the owner’s manual. Volkswagen used H11, 9006, D2S, and D3S across models and years, so never guess from the model name alone. Check both headlights, since a previous owner may have fitted different bulbs on each side and only one side tells the true story.
Canbus matters on conversions
Modern Volkswagens monitor bulbs and report faults. A Canbus error-free ballast, like the Innovited’s, prevents a bulb-out warning that a plain ballast would trigger. Fit cancellers on both sides even if only one side warns, since the car’s monitoring compares both circuits and an unbalanced pair can trigger faults.
Colour temperature is a trade-off
6000K gives a useful white; 10000K looks very blue but illuminates the road less well. Choose the colour for road use, not for appearance in a car park. A whiter beam is not always brighter on wet roads, since very blue light scatters in rain and a 6000K beam often shows the road better.
Aim after every change
Any bulb change can shift the beam. Check and adjust headlight aim after install, since a misaimed HID dazzles oncoming drivers and fails inspection. Aim on a flat surface with the car loaded as usual, since a boot full of luggage changes the beam height enough to dazzle.
Legality varies by region
HID conversions are restricted in some regions and for some headlight types. Check local rules before converting a halogen car, and keep the original bulbs for reversal if needed. Keep the original halogen bulbs and ballast covers in the car, since a roadside failure of a conversion kit leaves no legal light without them.
HID kit specification data
Maker and listing facts for the kits in this guide, with a source per row.
| Kit | Spec fact | Source |
|---|---|---|
| Innovited H11 kit | H11/H9/H8, 10000K, 55W Canbus ballasts, part 55BUSCAN-H11-10K | Innovited listing |
| Xentec 9006 bundle | 9006/HB4, 6000K, 55W EP7DC slim ballasts | Xentec listing |
| Philips D2S | D2S, part 85122C1, UPC 046677289669, single | Philips listing |
| SEALIGHT D3S | D3S, 6500K, pair, part 7326LHB559RUS, cross 66340/42403/42302 | SEALIGHT listing |
HID kits by budget
There are no prices in this guide by policy. Think in tiers of job instead.
| Tier | What you get | Example pick |
|---|---|---|
| Single replacement | One failed factory bulb | Philips D2S single |
| Pair replacement | Both factory bulbs, matched colour | SEALIGHT D3S pair |
| Full conversion | Halogen to HID with ballasts | Innovited H11, Xentec 9006 |
Types of HID headlight kits
Two jobs, two product types, and no overlap between them.
| Type | What it includes | Best for | Watch out for |
|---|---|---|---|
| Conversion kit | Bulbs plus ballasts and wiring | Halogen cars converting to HID | Canbus warnings, legality, aim |
| OEM replacement bulb | D-series bulb only, no ballast | Factory-HID cars | Must match the D-series type |
| Warning canceller | Canceller module for bulb faults | Cars that still report a fault | Not a bulb or ballast |
Detailed reviews of the top 4 HID headlight kits
Below are the four verified HID kits and bulbs that survived our checks, each with its own verified listing. Every specification is a maker or listing claim, and every owner point is paraphrased from a linked source. This guide belongs to our HID headlight kits coverage.
Best conversion kit: Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K
Best conversion kit
Why the Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K is our pick
A conversion kit must solve two problems at once: light output and the car’s bulb-out warning. This Innovited kit pairs 55W ballasts with Canbus error-free design, so the car’s electronics accept the new bulbs without a warning, and the H11 size fits the most common Volkswagen halogen low-beam socket.
Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K key specs
- Bulb size: H11, also fits H9 and H8
- Colour temperature: 10000K
- Ballast power: 55W
- Ballasts: 2 Canbus error-free ballasts
- Bulbs: 2 xenon bulbs
- Voltage: 12V
- Part number: 55BUSCAN-H11-10K
- Brand: Innovited
- Use: halogen-to-HID conversion
- Compatibility: confirm bulb size in the manual or on the old bulb base
Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K: fits and best for
Best for halogen Volkswagens whose low-beam socket is H11, H9, or H8. Confirm the size before ordering, since Volkswagen used several sizes across models and years.
Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K pros and watch-outs
- Complete kit, bulbs plus ballasts
- Canbus error-free design
- 55W ballasts for strong output
- H11, H9, and H8 fitment
- 12V, standard car voltage
- 10000K is very blue and less useful than lower temperatures
- Conversion legality varies by region
- Ballast mounting needs space
- Headlight aim must be checked after install
Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K: what owners report
Owners converting halogen VWs value Canbus compatibility most, since a bulb-out warning ruins an otherwise good kit; see the retailer listing Innovited H11 kit listing.
Roundup coverage of HID kits lists Innovited among the most-covered conversion brands.
Buyers mention the 55W ballasts as strong; the listing Innovited H11 kit listing states 55W Canbus ballasts.
Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K: who should not buy
If the car already has factory HID, this conversion kit is the wrong part; buy a D-series replacement bulb below instead.
Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K: pair it with
Pair it with a headlight aim check after install, and with warning cancellers if the car still reports a bulb fault.
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Tip: Confirm the bulb size on the old bulb base before ordering, since Volkswagen socket sizes vary by model and year. See our LED versus halogen versus HID guide.
Best 9006 conversion: Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K
Best 9006 conversion
Why the Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K is our pick
Some Volkswagens use a 9006 socket rather than H11, and this Xentec bundle covers that car with the same complete-kit idea: bulbs, slim ballasts, and accessories in one box. The 6000K colour is also more useful than the 10000K of the Innovited kit, giving a whiter light with better road illumination.
Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K key specs
- Bulb size: 9006, also called HB4
- Colour temperature: 6000K
- Ballast power: 55W
- Ballasts: 2 slim ballasts
- Bulbs: 2 xenon bulbs
- Ballast type: EP7DC slim
- Brand: Xentec
- Use: halogen-to-HID conversion
- Compatibility: confirm bulb size in the manual or on the old bulb base
- Kit: bundle with accessories
Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K: fits and best for
Best for halogen Volkswagens with a 9006 socket. Confirm the size before ordering, since a 9006 bulb will not fit an H11 socket.
Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K pros and watch-outs
- Complete bundle with accessories
- 6000K is a useful white
- 55W slim ballasts
- 9006 coverage for VWs that need it
- Slim ballasts fit tight spaces
- 9006 only, not H11
- Conversion legality varies by region
- Ballast mounting needs space
- Headlight aim must be checked
Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K: what owners report
Owners with 9006 sockets value a bundle made for their size rather than an adapter; see the retailer listing Xentec 9006 bundle listing.
Roundup coverage of HID kits notes 6000K as the most popular colour for road use, balancing whiteness and illumination.
Buyers mention the slim ballasts as easier to mount; the listing Xentec 9006 bundle listing describes EP7DC slim ballasts.
Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K: who should not buy
If the car has an H11 socket or factory HID, this bundle is the wrong part; buy the Innovited H11 kit or a D-series bulb instead.
Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K: pair it with
Pair it with a headlight aim check after install, and keep the old halogen bulbs as spares.
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Tip: Check the old bulb base for the size marking before ordering, since 9006 and H11 look similar but are not interchangeable. See our LED headlight bulbs under 100 guide.
Best factory-HID replacement: Philips D2S 85122C1 Xenon HID Headlight Bulb Single
Best factory-HID replacement
Why the Philips D2S 85122C1 Xenon HID Headlight Bulb Single is our pick
Factory-HID Volkswagens need a D-series bulb, not a conversion kit, and Philips is the OEM supplier for many of them. This D2S bulb is a direct replacement: same socket, same ballast, no wiring changes, and the colour and output the car was designed for.
Philips D2S 85122C1 Xenon HID Headlight Bulb Single key specs
- Bulb type: D2S
- Part number: 85122C1
- UPC: 046677289669
- Pack: single bulb
- Brand: Philips
- Use: OEM replacement for factory-HID cars
- Compatibility: cars with factory D2S HID
- Voltage: per factory HID system
- Colour: per OEM specification
- Install: direct replacement, no conversion
Philips D2S 85122C1 Xenon HID Headlight Bulb Single: fits and best for
Best for Volkswagens with factory HID that use a D2S bulb. Confirm the D-series type on the old bulb before ordering, since D1S, D2S, and D3S are not interchangeable.
Philips D2S 85122C1 Xenon HID Headlight Bulb Single pros and watch-outs
- Genuine Philips OEM bulb
- Direct replacement, no wiring
- Correct colour for the car
- No Canbus issues on factory HID
- Single bulb, replace only the failed side
- Single bulb, not a pair
- D2S only, not D1S or D3S
- Not a conversion kit
- Factory HID cars only
Philips D2S 85122C1 Xenon HID Headlight Bulb Single: what owners report
Owners replacing a failed factory bulb value an OEM part over a generic D2S; see the retailer listing Philips D2S listing.
Roundup coverage of HID replacements stresses confirming the D-series type, since the wrong D-type will not fit.
Buyers mention the Philips part number as the verification; the listing Philips D2S listing states 85122C1.
Philips D2S 85122C1 Xenon HID Headlight Bulb Single: who should not buy
If the car has halogen headlights, this bulb will not fit or work; buy a conversion kit above instead.
Philips D2S 85122C1 Xenon HID Headlight Bulb Single: pair it with
Pair it with a second bulb if both sides are old, since a new bulb beside an aged one shows a colour mismatch.
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Tip: Read the D-series marking on the old bulb base before ordering, and do not touch the new bulb’s glass with bare hands. See our LED versus halogen versus HID guide.
Best D3S pair: SEALIGHT D3S HID Bulbs 6500K Pair
Best D3S pair
Why the SEALIGHT D3S HID Bulbs 6500K Pair is our pick
Some factory-HID Volkswagens use D3S rather than D2S, and this SEALIGHT pair covers those cars with a matched pair at 6500K. Buying a pair avoids the colour mismatch of replacing one side only, and the 6500K colour is a clean white that suits modern Volkswagens.
SEALIGHT D3S HID Bulbs 6500K Pair key specs
- Bulb type: D3S
- Colour temperature: 6500K
- Pack: pair of 2
- Part number: 7326LHB559RUS
- Brand: SEALIGHT
- Use: OEM replacement for factory-HID cars
- Cross-reference: 66340, 42403, 42302 per listing
- Compatibility: cars with factory D3S HID
- Install: direct replacement, no conversion
- Voltage: per factory HID system
SEALIGHT D3S HID Bulbs 6500K Pair: fits and best for
Best for Volkswagens with factory HID that use a D3S bulb. Confirm the D-series type on the old bulb before ordering.
SEALIGHT D3S HID Bulbs 6500K Pair pros and watch-outs
- Pair, no colour mismatch
- D3S coverage the D2S lacks
- 6500K clean white
- Direct replacement, no wiring
- Cross-references listed
- D3S only, not D2S or D1S
- Not a conversion kit
- Factory HID cars only
- Colour differs from older OEM bulbs
SEALIGHT D3S HID Bulbs 6500K Pair: what owners report
Owners replacing both factory bulbs value a matched pair; see the retailer listing SEALIGHT D3S listing.
Roundup coverage of HID replacements notes that pairs prevent the one-bright-one-dim look of single replacements.
Buyers mention the cross-references as helpful; the listing SEALIGHT D3S listing lists 66340, 42403, and 42302.
SEALIGHT D3S HID Bulbs 6500K Pair: who should not buy
If the car has D2S or halogen headlights, this pair is the wrong part; buy the Philips D2S or a conversion kit instead.
SEALIGHT D3S HID Bulbs 6500K Pair: pair it with
Pair it with a headlight aim check after install, and keep the old bulbs only if they still work as emergency spares.
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Tip: Replace both sides together on a factory-HID car, and never touch the new bulbs’ glass with bare hands. See our LED headlight bulbs under 100 guide.
Spec comparison
Side-by-side specifications for the four picks. Where a maker does not publish a figure, the cell says so rather than guessing.
| Specification | Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K | Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K | Philips D2S 85122C1 Xenon HID Headlight Bulb Single | SEALIGHT D3S HID Bulbs 6500K Pair |
|---|---|---|---|---|
| Type | Conversion kit | Conversion bundle | OEM replacement | OEM replacement |
| Bulb size | H11/H9/H8 | 9006/HB4 | D2S | D3S |
| Colour | 10000K | 6000K | OEM | 6500K |
| Ballast | 55W Canbus, 2 | 55W slim, 2 | Factory ballast | Factory ballast |
| Pack | 2 bulbs + 2 ballasts | 2 bulbs + 2 ballasts | 1 bulb | 2 bulbs |
| Part number | 55BUSCAN-H11-10K | Not published | 85122C1 | 7326LHB559RUS |
| Voltage | 12V | Not published | Factory HID | Factory HID |
| Best for | H11 conversion | 9006 conversion | D2S replacement | D3S pair |
| Watch out | Very blue 10000K | 9006 only | Single bulb | D3S only |
| Check Price | Check Price | Check Price | Check Price | Check Price |
Installation basics
Work with the car off and the headlights cool, and never touch a new HID bulb’s glass with bare hands, since skin oil shortens bulb life. For conversions, mount the ballasts securely away from heat and moving parts, connect the wiring as the kit directs, and fit warning cancellers if the car reports a fault. For D-series replacements, swap the bulb directly on the factory ballast.
After install, check headlight aim on a wall at night and adjust so the beam does not dazzle oncoming traffic. Related reading: LED versus halogen versus HID and LED headlight bulbs under 100 cover the wider headlight picture.
Wear clean gloves when handling new bulbs, mount ballasts on a flat surface away from exhaust heat and moving belts, and secure wiring so it cannot chafe on sharp body edges. After install, park facing a wall at night, mark the old beam height with tape, and adjust the new beam to the same height before driving, since a beam set by eye in daylight always ends up high. Further reading: LED headlight polish of all time, LED headlight polish versus polish, LED halogen bulbs medium base, LED halogen bulbs energy efficiency, professional fog light kits under 200, and fog lights under 1000.
Safety essentials
- Never touch a new HID bulb’s glass with bare hands.
- Work with the car off and the headlights cool.
- Check headlight aim after every bulb change.
- Do not dazzle oncoming traffic with a misaimed beam.
- Keep ballasts away from heat and moving parts.
- Check local legality before converting a halogen car to HID.
Three companion picks that complete a safe HID setup:
Kensun Warning Cancellers — Canceller modules for cars that still report a bulb fault after conversion.
Philips D2S 85122C1 Xenon HID Headlight Bulb Single — Spare OEM bulb for a factory-HID car.
SEALIGHT D3S HID Bulbs 6500K Pair — Matched pair so both sides match in colour.
Troubleshooting
Common HID problems, and the fix for each.
| Symptom | Cause | Fix |
|---|---|---|
| Bulb-out warning after conversion | Car does not accept the ballast | Use Canbus ballasts or warning cancellers |
| One side dimmer than the other | Aged bulb beside a new one | Replace both sides together |
| Beam dazzles oncoming traffic | Aim shifted after the change | Re-aim the headlights after install |
| Bulb fails early | Glass touched with bare hands | Replace the bulb and handle only the base |
| Ballast will not fit | No space near the headlight | Mount slim ballasts in a cooler, clear spot |
| Wrong bulb size ordered | Size guessed from the model name | Read the size on the old bulb base |
Who should NOT buy these
If the car has LED headlights: HID parts will not fit or work; buy LED replacements and see LED headlight bulbs under 100 for options.
If the bulb size is unknown: do not guess; read the old bulb base or the owner’s manual first.
If HID conversion is illegal in the region: keep the halogen setup or use a legal LED upgrade instead.
If only one factory bulb failed and the other is new: a single Philips D2S is enough; a pair is unnecessary.
Final verdict
Best conversion kit: Innovited H11 HID Xenon Bulb Pair with 55W Canbus Ballast 10000K — the complete H11 conversion kit for halogen Volkswagens
Best 9006 conversion: Xentec 9006 HID Xenon Bulb Bundle with 55W Slim Ballast 6000K — the 9006 conversion bundle for halogen Volkswagens
Best factory-HID replacement: Philips D2S 85122C1 Xenon HID Headlight Bulb Single — the OEM D2S replacement for factory-HID Volkswagens
Best D3S pair: SEALIGHT D3S HID Bulbs 6500K Pair — the D3S pair for factory-HID Volkswagens
FAQ
What HID bulb size does my Volkswagen take?
It varies by model and year: H11, 9006, D2S, and D3S all appear on Volkswagens. Read the size on the old bulb base or in the owner’s manual before ordering, since the model name alone does not determine it. The owner’s manual lists the size, but the old bulb’s base marking is the surest check, since manuals sometimes cover several variants.
Can I convert halogen headlights to HID?
Yes, with a conversion kit that includes ballasts, like the Innovited H11 or Xentec 9006 kits here. Check local legality first, use Canbus ballasts to avoid bulb-out warnings, and re-aim the headlights after install. Some cars need headlight washers and self-levelling for a legal HID conversion, so check the full local requirement, not just the bulb rule.
What is the difference between D2S and D3S bulbs?
They are different factory-HID bulb types with different sockets and ballasts, and they are not interchangeable. Read the D-series marking on the old bulb before ordering a replacement. The ballast differs too: D1S and D3S bulbs use a built-in igniter, while D2S uses an external one, so the parts are not interchangeable.
Why does my car show a bulb warning after an HID conversion?
The car’s electronics monitor bulb resistance, and a plain ballast does not match a halogen bulb’s profile. Canbus error-free ballasts or warning cancellers, like the Kensun modules, solve this on most cars. If cancellers do not clear the warning, the car may need a coding change at a specialist, since some Volkswagens monitor current very strictly.
Is 6000K or 10000K better for HID headlights?
6000K gives a useful white light for road use, while 10000K looks very blue but illuminates the road less well. For driving, 6000K is the better choice; 10000K is mostly a styling choice. On unlit rural roads the difference is obvious, since 6000K puts more usable light on the tarmac than a bluer beam of the same wattage.
Should I replace HID bulbs in pairs?
Yes, when both sides are old, since a new bulb beside an aged one shows a colour and brightness mismatch. If one side is already new, replacing only the failed side is fine. Keep the replaced old bulb as an emergency spare only if it still lights, since a dim aged bulb is little help on a dark road.
Can I touch an HID bulb with my bare hands?
No. Skin oil on the glass shortens bulb life and can cause hot spots. Handle new bulbs only by the base, and clean the glass if it is touched before install. If the glass is touched, clean it with isopropyl alcohol and a lint-free cloth before install, and let it dry fully first.
Do HID conversions need a professional install?
A competent home mechanic can fit most conversion kits, but ballast mounting, wiring, and headlight aiming need care. If the car has complex electronics or the aim cannot be set correctly, a professional install is safer. A shop with a beam setter can aim the lights precisely, which is worth the cost on a car that failed an inspection for aim.
How long do HID bulbs last?
Factory HID bulbs typically last several years of normal use, longer than halogen bulbs. A bulb that fails early usually points to handling damage, a failing ballast, or a voltage problem rather than normal wear. Frequent short trips shorten HID life more than long drives, since each start-up stresses the bulb and ballast most.
Sources
- Maker and retailer listings: Innovited H11 kit listing, Xentec 9006 bundle listing, Philips D2S listing, SEALIGHT D3S listing, Kensun warning cancellers listing
- Roundup and owner coverage: Garage Chief HID kit reviews, LED Light Street Xentec Innovited Kensun review, Pretty Motors HID kit reviews
- Category: HID headlight kits archive and Car lighting and visibility archive
By Leo, Founder, WinchInsider
Leo covers vehicle gear, recovery equipment, and garage tools, writing research-based guides from maker specifications and owner reports.
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