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Details
| Specification | Value |
|---|---|
| Brand | AIC |
| Operating Mode | ME |
| Number of pins | 4 -pin connector |
OE numbers (3)
Search by this OE number to find compatible parts
- AUDI / SKODA / VAG / VW—3A0 945 515A
- AUDI / SKODA / VAG / VW—4A0 945 515
- AUDI / SKODA / VAG / VW—4A0 945 515A
Where this part fits
Original-fit position for OE 4A0945515. The red ring marks where this part installs on the vehicle.
About this product
AIC Stop Light Switch (51523) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Operating Mode: Mesh Filter, Number of pins: Copper -pin connector — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, SKODA, VW vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 001-10-31699, 03081, 03735, 06-12521-SX and 50 more. Matching these numbers confirms a like-for-like replacement with no loss of function. AIC is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (55)
Show all 55 OE numbers
Stop Light Switch AIC 51523 — compatible car models
| Car models | AUDI: A4 B5 (8D2), A4 B5 Avant (8D5), A6 C4 (4A2), A6 C4 Avant (4A5), A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6), A8 D2 (4D2, 4D8), ALLROAD C5 (4BH); SKODA: SUPERB I (3U4); VW: PASSAT B5 (3B2), PASSAT B5.5 (3B3), PASSAT B5.5 Variant (3B6), PASSAT B5 Variant (3B5), TOUAREG (7P5, 7P6) |
|---|---|
| Engines | 1.6; 1.8; 2.5 TDI; 2.5 TDI quattro; 1.8 T; 1.9 TDI; 3.0 V6 TSI |
| Year of manufacture | 1994-2018 |
| Manufacturer article number (MPN) | 51523 |
| OE part numbers | 3A0 945 515A, 4A0 945 515, 4A0 945 515A |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AIC 51523 NEW MOBILITY PARTS. Number of pins: 4 -pin connector. Operating Mode: ME
- 1x Stop Light Switch
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Stop Light Switch compatible with my car?
This Stop Light Switch fits AUDI, SKODA, VW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this AIC Stop Light Switch have?
This AIC Stop Light Switch has the following specifications: Operating Mode: ME; Number of pins: 4 -pin connector. Check the full specifications table above for complete details.
What OE part numbers does this Stop Light Switch replace?
This Stop Light Switch replaces OE part numbers: 3A0 945 515A, 4A0 945 515, 4A0 945 515A. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Stop Light Switch cost?
This AIC Stop Light Switch is available for £13.99. Stop Light Switch prices vary depending on brand, specifications, and vehicle compatibility. AIC parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Stop Light Switch?
Regular inspection of your Stop Light Switch is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Stop Light Switch?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Stop Light Switch fitted by a professional mechanic.
Can I use this part as a replacement for OE 3A0 945 515A?
Yes, this AIC Stop Light Switch is a direct replacement for OE part number 3A0 945 515A. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
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