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Details
| Specification | Value |
|---|---|
| Brand | TRISCAN |
| Width [mm] | 13.1 mm |
| Inner Diameter [mm] | 79 mm |
| Outer Diameter [mm] | 83 mm |
OE numbers (6)
Search by this OE number to find compatible parts
- BMW—33 21 1 504 521
- BMW—33 21 5 A1A 7D9
- BMW—33 21 7 504 522
- BMW—33 21 7 504 523
- BMW—33 21 7 530 964
- BMW—33 21 7 530 965
Where this part fits
Original-fit position for OE 33215A1A7D9. The red ring marks where this part installs on the vehicle.
About this product
When sensor ring abs performance matters, the TRISCAN 8540 10403 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Width [mm]: Polyurethane, Steel mm, Number of Teeth, ABS ring: 48, Inner Diameter [mm]: 79 mm, Outer Diameter [mm]: 83 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with BMW, FORD, 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: 0900350, 10-76676, 1176148, 1250-601042 and 20 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TRISCAN 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 (18)
Sensor Ring Abs TRISCAN 8540 10403 — compatible car models
| Car models | BMW: 1 Convertible (E88), 1 Coupe (E82), 1 (E81), 1 (E87), 3 Compact (E36), 3 Compact (E46), 3 Convertible (E36), 3 Convertible (E46), 3 Convertible (E93), 3 Coupe (E36) (+18 more); FORD: GALAXY I (WGR), GALAXY MK I VAN (WGR) |
|---|---|
| Engines | 118 d; 116 d; 316 g; 316 ti; 318 i; 318 Ci; 316 i; 316 Ci; 316 d; 518 i; 645 Ci; 730 i, iL; 840 Ci; 2.0 d; 2.8 i (+5 more) |
| Year of manufacture | 1985-2013 |
| Manufacturer article number (MPN) | 8540 10403 |
| OE part numbers | 33 21 1 504 521, 33 21 5 A1A 7D9, 33 21 7 504 522, 33 21 7 504 523, 33 21 7 530 964, 33 21 7 530 965 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TRISCAN 854010403 . Inner Diameter [mm]: 79 mm. Number of Teeth, ABS ring: 48. Outer Diameter [mm]: 83 mm. Width [mm]: 13,1 mm
- 1x Sensor Ring Abs
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 Sensor Ring Abs compatible with my car?
This Sensor Ring Abs fits BMW, FORD, 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 TRISCAN Sensor Ring Abs have?
This TRISCAN Sensor Ring Abs has the following specifications: Width [mm]: 13,1 mm; Number of Teeth, ABS ring: 48; Inner Diameter [mm]: 79 mm; Outer Diameter [mm]: 83 mm. Check the full specifications table above for complete details.
What OE part numbers does this Sensor Ring Abs replace?
This Sensor Ring Abs replaces OE part numbers: 33 21 1 504 521, 33 21 5 A1A 7D9, 33 21 7 504 522, 33 21 7 504 523, 33 21 7 530 964, 33 21 7 530 965. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Sensor Ring Abs cost?
This TRISCAN Sensor Ring Abs is available for £18.99. Sensor Ring Abs prices vary depending on brand, specifications, and vehicle compatibility. TRISCAN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Sensor Ring Abs?
Regular inspection of your Sensor Ring Abs 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 Sensor Ring Abs?
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 Sensor Ring Abs fitted by a professional mechanic.
Can I use this part as a replacement for OE 33 21 1 504 521?
Yes, this TRISCAN Sensor Ring Abs is a direct replacement for OE part number 33 21 1 504 521. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the TRISCAN 8540 10403 the same as the TRISCAN 8540 10411?
No, while both are Sensor Ring Abs parts, they are different products. The TRISCAN 8540 10403 has Width [mm]: 13,1 mm, Number of Teeth, ABS ring: 48, Inner Diameter [mm]: 79 mm. The TRISCAN 8540 10411 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
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