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Details
| Specification | Value |
|---|---|
| Brand | CALORSTAT by Vernet |
| MPN | rs5520 |
| Thread Size | M12x1.5 |
OE numbers (3)
Search by this OE number to find compatible parts
- AUDI / VW—020941521A
- AUDI / VW—085941521
- ROVER—BAU2445
Where this part fits
Original-fit position for OE 020941521A. The red ring marks where this part installs on the vehicle.
About this product
When switch reverse light performance matters, the CALORSTAT by Vernet RS5520 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: M12x1.5, Sensor Type: 82. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with AUSTIN, ROVER, SEAT, 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: 020941521A, 085941521, 100088, 1009410003 and 14 more. Matching these numbers confirms a like-for-like replacement with no loss of function. CALORSTAT by Vernet 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 (15)
Switch Reverse Light CALORSTAT by Vernet RS5520 — compatible car models
| Car models | AUSTIN: MONTEGO (XE); ROVER: MONTEGO Estate (XE); SEAT: TERRA (24); VW: CADDY I (14), GOLF I Cabriolet (155), GOLF II (19E, 1G1), JETTA II (19E, 1G2, 165), POLO CLASSIC (86C, 80), POLO Coupe (86C, 80), POLO II (86C, 80), SCIROCCO (53), SCIROCCO (53B) |
|---|---|
| Engines | 1.3; 1.3 D; 1.5; 1.6; 1.0 |
| Year of manufacture | 1974-2008 |
| Manufacturer article number (MPN) | RS5520 |
| OE part numbers | 020941521A, 085941521, BAU2445 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
CALORSTAT by Vernet rs5520 . Sensor Type: 82. Thread Size: M12x1.5
- 1x Switch Reverse Light
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 Switch Reverse Light compatible with my car?
This Switch Reverse Light fits AUSTIN, ROVER, SEAT, 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 CALORSTAT by Vernet Switch Reverse Light have?
This CALORSTAT by Vernet Switch Reverse Light has the following specifications: Thread Size: M12x1.5; Sensor Type: 82. Check the full specifications table above for complete details.
What OE part numbers does this Switch Reverse Light replace?
This Switch Reverse Light replaces OE part numbers: 020941521A, 085941521, BAU2445. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Switch Reverse Light cost?
This CALORSTAT by Vernet Switch Reverse Light is available for £8.99. Switch Reverse Light prices vary depending on brand, specifications, and vehicle compatibility. CALORSTAT by Vernet parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Switch Reverse Light?
Regular inspection of your Switch Reverse Light 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 Switch Reverse Light?
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 Switch Reverse Light fitted by a professional mechanic.
Can I use this part as a replacement for OE 020941521A?
Yes, this CALORSTAT by Vernet Switch Reverse Light is a direct replacement for OE part number 020941521A. 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.
