Volkswagen Passat Fog Lights: Specs, Fitment & Common Faults
On the Passat, front fog lights can genuinely activate automatically when turning as a cornering-assist feature — often mistaken for a fault by owners who don't realise it's intentional.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — aftermarket Hella 1NA 011 839-111 / Hella 1NA 011 839-121
| Fog light, passenger side (LH / nearside) — aftermarket | Hella 1NA 011 839-111 (H8 + P21W, with bulbs, cornering function); Hella 1NA 011 839-131 (H8 + P21W, with bulbs, no cornering); Hella 1NA 013 797-011 (LED, cornering); TYC 19-12978-05-9 (H8 + W21W, cornering, no holder); Diederichs 2249189 (H8 + P21W, with bulbs, cornering); Abakus 441-2058L-UE (H8, no holder or bulb) |
|---|---|
| Fog light, driver's side (RH / offside) — aftermarket | Hella 1NA 011 839-121 (H8 + P21W, with bulbs, cornering); Hella 1NA 011 839-141 (H8 + PY21W, with bulbs, no cornering); Hella 1NA 013 797-021 (LED, cornering); TYC 19-12977-05-9 (H8 + W21W, cornering, no holder); Van Wezel 5742998 (H8 + W21W, cornering, not for facelift); Diederichs 2249188 (H8 + P21W, with bulbs, cornering) |
| Bulb types | H8 (PGJ19-1); P21W; PY21W; W21W; LED units |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine units against your VIN |
| Fitment notes | Versions with and without cornering function are listed, plus an LED version; some Diederichs and Van Wezel units are marked not for facelift, and some Abakus and Alkar units are for left-hand-drive cars only. Bumper-mounted. |
A Genuine VW Feature Often Mistaken for a Fault — Volkswagen Passat Fog Lights
A genuine, well-documented source of confusion worth knowing about before assuming a fault: on many VW models, the front fog lights are wired to double as a "cornering light" — automatically illuminating on one side when the steering wheel is turned or an indicator is active, even without the fog light switch being on. This is a genuine, intentional VW feature rather than a malfunction, though many owners find it confusing and some report other road users flagging it as "you've got a fog light out" when it's actually working exactly as designed. If you'd genuinely prefer this disabled, it can be turned off via long coding with VCDS or a similar tool (typically by disabling the relevant "cornering light" function bits for each side individually), though this is worth doing carefully given how coding changes on these systems can interact with other lighting functions.
Volkswagen Passat Fog Lights: Rarely Used, Easy to Forget About Until Needed
Most Volkswagen Passat owners barely use their fog lights outside a handful of days a year, so a fault can sit unnoticed for a long stretch — until a properly foggy morning exposes it at exactly the wrong moment.
Volkswagen Passat Fog Lights: Watch: Replacing It
B8 fog fitting; alt https://www.youtube.com/watch?v=hXcpAHskp1U (B8 R-Line fog cowling remove/refit)
Volkswagen Passat Fog Lights: What It Does
Front fog lights are angled and positioned to illuminate the road surface in low visibility conditions without creating the glare a standard headlight beam would in fog. Some higher trims of the Passat integrate fog lights into the same housing as cornering lights or daytime running lights, which affects both the part number and the complexity of any repair.
Fitment & Compatibility
Volkswagen Passat Fog Lights: Generations, Derivatives & Fog Light Type
| Standard trims, halogen headlight cars | Front fog lights are conventional halogen units, and genuinely double as static cornering lights on cars without HID/adaptive headlights — this cornering function is coding-enabled rather than always active from the factory |
|---|---|
| R-Line/higher trims, LED headlight cars | Genuine LED fog lights become available, with cornering function built into the main headlight unit instead of the fog light on cars with the full adaptive lighting package |
Not every trim level of the Passat comes with fog lights fitted as standard, and the housing design often differs between trims that have them integrated with other lighting functions and those with a standalone unit. Always confirm your specific trim's fitment before ordering. Whether you're sourcing a replacement fog lights for your Volkswagen Passat from a dealer, specialist, or online marketplace, always check compatibility against your registration or VIN before buying, and confirm you're ordering the correct side — driver's side (RH in the UK) or passenger side (LH in the UK) — since these are not interchangeable.
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Volkswagen Passat Fog Lights: Common Faults, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Fog Lights Guide for common faults to check for (including exactly what fails an MOT), how easy this job is to DIY, and aftermarket advice.
More Volkswagen Fog Lights
The same part, covered across other Volkswagen models.