Fog light LED bulb fitment (H11 socket)

Tags: #fog-light · #fitment

Fog-light switch: Chinese-restyle vs Russian-domestic wiring difference. Separate from bulb fitment, the fog-light switch differs by market variant: the Chinese-restyle X80 has front AND rear fog-light control on the steering-column switch stalk, with a separate connector plug for it; the Russian-domestic version's stalk only controls the front fogs. This is a wiring/harness difference at the switch, not a difference in the fog-light motor/hardware itself — front-wheel-drive models use the same physical fog-light motor regardless of switch variant. For anyone wanting rear-fog control the Russian-domestic stalk doesn't provide, aftermarket options exist: full AliExpress fog-light kits with add-on buttons (non-OEM appearance) ^{1234 56789}.

The fog lights use an H11 socket, so an H11-based LED bulb is the correct starting point ¹⁰. However, many LED bulbs sold generically as "H11" are actually designed for headlight (low-beam) housings rather than fog lights, and won't physically fit: their lens/heatsink shroud extends to roughly 20mm in diameter, while the fog-light housing opening is only about 18mm — close enough on paper to cause confusion when ordering, but too large in practice ¹¹¹². A specific failure mode reported: bulbs bought as "H11" turned out to be H11 LED units with an integrated lens, meant for headlight/high-beam-style projector housings — what's actually needed for a fog light retrofit is a plain diode-style H11 bulb without that lens assembly ¹³. Fog light housing depth is 84mm — check bulb length against this before buying, in addition to the diameter issue ¹⁴¹⁵. Practical advice: measure/compare diameter and length carefully (or search specifically for "fog light" LED variants rather than generic H11 headlight LEDs) before ordering, and be prepared to return a bulb that doesn't physically fit even though the socket type matches.

Bulb type by model year — front vs rear, pre- vs post-facelift. Consolidating community reports on socket types: pre-facelift models use H11 for the front fog lamps and W16W for the rear fog lamps ¹⁶. Post-2020 facelift models also use H11 for the front; some facelift trims may use P21W instead, but H11-based universal aftermarket alternatives are reported to give noticeably better illumination than the factory fog bulbs regardless of which stock type your car has ^1718192021. LED upgrade kits for these sockets are widely available on AliExpress, with discounts up to roughly 54% reported ²⁰.

Aftermarket fog lamps with integrated lens (ZMB brand). Beyond straight bulb swaps, some owners have upgraded to complete ZMB-brand fog lamp units with an integrated lens (giving a sharp light/dark cutoff line rather than a diffuse beam), still using the H11 bulb type and fitting directly into the factory fog-light housing. Reported benefit: noticeably improved visibility in dark conditions, especially illuminating the area just ahead of the bumper that factory fogs light poorly ²²²³²⁴.

Rear fog light activation on restyled 2019+ automatic models — no separate switch. Directly extending the switch-difference notes above: on restyled (2019+) automatic-transmission X80s, the rear fog lights are not controlled by a separate button — activation is via rotating the ring element on the steering-column light stalk itself to its maximum position. This only works when low beams are already switched on; if rotating the ring doesn't produce rear fog light, check the fuse next ^252627282930. This resolves what otherwise looks like a missing feature — the control exists, it's just non-obvious (a rotatable ring rather than a discrete switch) if you don't already know to look for it.

Aftermarket LED fog-light options and "lensed" terminology confusion. LED fog lights can be successfully adapted to the X80. Regular diode LED fog lights (light pattern formed via an internal reflector, not a lens) are commonly sold at 30W, 50W, or 70W power levels; true lensed fog lights (with an external protruding or internal lens element that actually shapes the beam) are a separate product category. Some owners mounted lens-less LED flood units behind aftermarket housings; multiple owners confirmed 360°-type LEDs also fit in the fog-light housings. Brightness at 6000K (white) is excellent and may warm toward 4300K over time as the LEDs age. 30W units are the most common choice; 50–70W units are extremely bright ^{3132 3334353637383940 4142434445464748}. Conflict: owners frequently debate whether their installed LED fog lights are genuinely "lensed" (линзованные) — most are actually reflector-based LEDs, not true lensed units; true lensed fog lights have a distinct external/internal lens element forming the beam, whereas reflector-based LEDs shape light purely via internal reflector geometry.

Fog-light bulb spec for the 2018 restyle: H11. The 2018-restyle X80 uses H11 halogen bulbs for the front fog lights. One owner found the previous owner had installed mismatched LED bulbs between the left and right fenders — the recommendation is to stick with standard H11 halogen, or if going LED, use a matched pair rather than mixed brands ⁴⁹⁵⁰.

Universal 70 W fog lamps (EAL, 5500K), September 2026. One owner fitted universal fog lamps (ПТФ, противотуманные фары) from EAL: 70 W, 5500K white, 12 V, 120-degree beam, listed on Ozon at ~2,131 RUB (RU market, September 2026; struck-through price 6,990 RUB), 365-day warranty. The brackets had to be improvised and the headlight levelling re-aimed to fit them ⁵¹⁵². Another owner warned that such bright white fog lamps blind oncoming drivers, while the installer says they do no harm when properly aimed ⁵³⁵².

Media

Steering-column switch connector on the Chinese-restyle X80, showing front+rear fog control wiring

Russian-domestic steering-column switch, front-fog-only wiring, for comparison

Mazda-equivalent switch stalk shown alongside the X80 variants for reference

Installed ZMB fog lights with integrated lens in the factory fog-light housing

Screenshot of the steering-column light-stalk control showing the rotation ring

Illuminated stalk controls showing rotation-ring position for rear fog activation

Installed LED fog light on X80 showing brightness

Close-up of the LED fog light internal structure (reflector-based, not lensed)

Comparison photo showing difference between regular LED and lensed fog light units

Ozon listing for a universal 70 W 5500K 12 V 120-degree fog lamp with 365-day warranty, 2,131 RUB (6,990 RUB struck through, -69%)

Related pages

• Fog light part numbers (front and rear)
• LED headlight bulbs — recommendations and fitment
• Fog light installation methods
• Front fog light (PTF) install — restyle wiring
• Fog/parking light fuse (5A) blowing

Sources

This page is compiled from 53 community messages. Every fact carries a numbered reference to its original author and message.

Last updated: 2026-10-29