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Details
| Specification | Value |
|---|---|
| Brand | A.B.S. |
| Length [mm] | 400 mm |
| Number of wear indicators [per axle] | 2 Per Axle |
OE/OEM numbers (3)
Search by this OE number to find compatible parts
- AUDI / BENTLEY / VW—4M0615121AB
- VAG / AUDI / BENTLEY—4M0 615 121R
- AUDI / BENTLEY—4M0615121S
Where this part fits
Original-fit position for OE 4M0615121R. The red ring marks where this part installs on the vehicle.
About this product
A.B.S. Warning Contact Brake Pad Wear (39921) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Length [mm]: 400 mm, Brake Type: Steel, Number of wear indicators [per axle]: Aluminium Per Axle — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, BENTLEY, 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: 001174, 114 527 0020, 1190305, 1197302700 and 37 more. Matching these numbers confirms a like-for-like replacement with no loss of function. A.B.S. is a recognised supplier of automotive braking 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 (43)
Show all 43 OE numbers
Warning Contact Brake Pad Wear A.B.S. 39921 — compatible car models
| Car models | AUDI: A4 Allroad B9 (8WH, 8WJ), A4 B9 (8W2, 8WC), A4 B9 Avant (8W5, 8WD), A5 Convertible (F57, F5E), A5 (F53, F5P), A5 Sportback (F5A, F5F), A6 Allroad C8 (4AH), A6 C8 (4A2), A6 C8 Avant (4A5), A7 Sportback (4GA, 4GF) (+12 more); BENTLEY: BENTAYGA (4V1); VW: TOUAREG (CR7, RC8) |
|---|---|
| Engines | 3.0 TDI quattro; 50 TDI Mild Hybrid quattro; 40 TDI Mild Hybrid quattro; 45 TDI Mild Hybrid quattro; 3.0 TFSI QUATTRO; 45 TDI quattro; 50 quattro; 2.0 TFSI quattro; 45 TFSI Mild Hybrid quattro; 3.0 SQ5 TDI Mild Hybrid quattro; 3.0 45 TDI Mild Hybrid quattro; 3.0 Hybrid; 2.0 TFSi 4motion |
| Year of manufacture | 2010-2022 |
| Manufacturer article number (MPN) | 39921 |
| OE part numbers | 4M0615121AB, 4M0 615 121R, 4M0615121S |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
A.B.S. 39921 . Brake Type: 1. Length [mm]: 400 mm. Number of wear indicators [per axle]: 2 Per Axle
- 1x Warning Contact Brake Pad Wear
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 Warning Contact Brake Pad Wear compatible with my car?
This Warning Contact Brake Pad Wear fits AUDI, BENTLEY, 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 A.B.S. Warning Contact Brake Pad Wear have?
This A.B.S. Warning Contact Brake Pad Wear has the following specifications: Length [mm]: 400 mm; Brake Type: 1; Number of wear indicators [per axle]: 2 Per Axle. Check the full specifications table above for complete details.
What OE part numbers does this Warning Contact Brake Pad Wear replace?
This Warning Contact Brake Pad Wear replaces OE part numbers: 4M0615121AB, 4M0 615 121R, 4M0615121S. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Warning Contact Brake Pad Wear cost?
This A.B.S. Warning Contact Brake Pad Wear is available for £20.99. Warning Contact Brake Pad Wear prices vary depending on brand, specifications, and vehicle compatibility. A.B.S. parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Warning Contact Brake Pad Wear?
Regular inspection of your Warning Contact Brake Pad Wear 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 Warning Contact Brake Pad Wear?
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 Warning Contact Brake Pad Wear fitted by a professional mechanic.
Can I use this part as a replacement for OE 4M0615121AB?
Yes, this A.B.S. Warning Contact Brake Pad Wear is a direct replacement for OE part number 4M0615121AB. 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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