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Details
| Specification | Value |
|---|---|
| Brand | AIC |
| Thread Size | M10 x 1 |
| Operating Mode | HY |
| Number of pins | 2 -pin connector |
OE/OEM numbers (10)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—000 545 4609
- MERCEDES-BENZ—000 545 6509
- AUDI / SKODA / VAG / VW—113 945 515H
- DAF—170659
- IVECO—3416621
- DEMAG—45000799
- IRMSCHER—7712028
- MAN—90 81616 0570
- MERCEDES-BENZ—A000 545 4609
- MERCEDES-BENZ—A000 545 6509
Where this part fits
Original-fit position for OE 170659. The red ring marks where this part installs on the vehicle.
About this product
When stop light switch performance matters, the AIC 53221 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Thread Size: M10 x 1, Operating Mode: Hybrid, Spanner Size: 24, Number of pins: Aluminium -pin connector. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with AUDI, DAF, NSU, PORSCHE and 3 other makes 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: 000 545 4609, 000 545 6509, 002-40-03497, 01.42.061 and 54 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Equivalent products (49)
Show all 49 OE numbers
Stop Light Switch AIC 53221 — compatible car models
| Car models | AUDI: 100 C1 Coupe (817), 100 C1 Saloon (801, 803, 805, 807, 811, 813, F104), 100 C2 Avant (435, 436), 100 C2 Saloon (431, 433, 434), 100 C3 Avant (445, 446), 100 C3 Saloon (443, 444), 200 C2 Saloon (437, 438), 50 (863), 80 B1 Saloon (80, 82), 80 B2 Saloon (811, 813, 814, 819, 853) (+1 more); DAF: 33, 44, 44 Estate, 46, 46 Estate, 55, 55 Coupe, 55 Estate, 66, 66 Coupe (+1 more); NSU: 1000; PORSCHE: 356 Cabriolet/Speedster, 356 Coupe, 911, 911 Targa, 912, 912 Targa, 914 |
|---|---|
| Engines | 1.9; 1.6; 1.8; 2.1 5E; 0.8; 1.3; 0.7; 0.8 DE LUXE; 0.8 SUPER LUX; 1.1; 1300 MARATHON; C; A 1600; 2.0 L; 2.0 E (+1 more) |
| Year of manufacture | 1947-1991 |
| Manufacturer article number (MPN) | 53221 |
| OE part numbers | 000 545 4609, 000 545 6509, 113 945 515H, 170659, 3416621, 45000799, 7712028, 90 81616 0570, A000 545 4609, A000 545 6509 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AIC 53221 Original AIC Quality. Number of pins: 2 -pin connector. Operating Mode: HY. Spanner Size: 24. Thread Size: M10 x 1
- 1x Stop Light Switch
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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, DAF, NSU, PORSCHE, SKODA and 2 more 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: Thread Size: M10 x 1; Operating Mode: HY; Spanner Size: 24; Number of pins: 2 -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: 000 545 4609, 000 545 6509, 113 945 515H, 170659, 3416621, 45000799, 7712028, 90 81616 0570 and 2 more. 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 £8.99. 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 000 545 4609?
Yes, this AIC Stop Light Switch is a direct replacement for OE part number 000 545 4609. 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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