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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Fitting Position | Left Front |
| Weight [kg] | 0,680 kg |
| Operating Mode | EL |
OE/OEM numbers (3)
Search by this OE number to find compatible parts
- AUDI—4F1 837 015
- AUDI—4F1 837 015 E
- AUDI / SEAT—8E1 837 015 AA
Where this part fits
Original-fit position for OE 4F1837015. The red ring marks where this part installs on the vehicle.
About this product
Sourced from FEBI BILSTEIN, this door lock (172125) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Fitting Position: LV, Weight [kg]: 0, 680 kg, Operating Mode: Electric, Left-/right-hand drive vehicles: Steel, Supplementary Article/Supplementary Info: 46 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, SEAT models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 001-10-26410, 001-10-27580, 100134610, 115 143 and 73 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FEBI BILSTEIN 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.
Door Lock buying guide
Why replace this part?
Door lock actuators use an electric motor and linkage to engage or disengage the door latch on central locking command. A failed actuator prevents remote locking from functioning on that door, creating a security vulnerability. The electric motor windings and plastic gear teeth inside the actuator are the most common failure points.
Signs you need a replacement
- One door not responding to the central locking remote
- clicking or grinding sound inside the door when locking
- door locking or unlocking intermittently
- door that must be locked manually while others lock automatically
- visible sluggish movement of the lock mechanism
When to replace
No set interval — actuators typically last 10–15 years or 100,000 cycles. Replace on failure. Access usually requires removing the door trim panel.
About FEBI BILSTEIN
febi bilstein, founded in 1844 in Ennepetal, Germany, is one of the oldest and most comprehensive automotive parts suppliers in the independent aftermarket. febi bilstein offers over 40,000 parts spanning steering, suspension, engine, braking, cooling, and electrical systems. Certified to IATF 16949 and supplying OE-quality components, febi bilstein products undergo rigorous testing to match original equipment performance. With nearly 180 years of German engineering tradition, febi bilstein is the go-to brand for reliable, competitively priced replacement parts.
Suitable cars
Equivalent products (80)
Show all 80 OE numbers
Door Lock FEBI BILSTEIN 172125 — compatible car models
| Car models | AUDI: A3 (8P1), A3 Convertible (8P7), A3 Sportback (8PA), A4 B7 (8EC), A4 B7 Avant (8ED), A4 B7 Convertible (8HE), A6 C6 (4F2), A6 C6 Avant (4F5), A8 D3 (4E2, 4E8), R8 (422, 423) (+1 more); SEAT: EXEO (3R2), EXEO ST (3R5) |
|---|---|
| Engines | 1.2 TSI; 1.2 TFSI; 1.6; 1.8 T; 2.0 TDI; 2.8 FSI; 4.2 FSI quattro |
| Year of manufacture | 2002-2016 |
| Manufacturer article number (MPN) | 172125 |
| OE part numbers | 4F1 837 015, 4F1 837 015 E, 8E1 837 015 AA |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 172125 febi Plus. Fitting Position: LV. Left-/right-hand drive vehicles: 1. Lock System: 6. Number of connectors: 9. Operating Mode: EL. paired article number: 172126. Supplementary Article/Supplementary Info: 46. Weight [kg]: 0,680 kg
- 1x Door Lock
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 Door Lock compatible with my car?
This Door Lock fits AUDI, SEAT 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 FEBI BILSTEIN Door Lock have?
This FEBI BILSTEIN Door Lock has the following specifications: Fitting Position: LV; Weight [kg]: 0,680 kg; Operating Mode: EL; Left-/right-hand drive vehicles: 1; Supplementary Article/Supplementary Info: 46; Lock System: 6. Check the full specifications table above for complete details.
What OE part numbers does this Door Lock replace?
This Door Lock replaces OE part numbers: 4F1 837 015, 4F1 837 015 E, 8E1 837 015 AA. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Door Lock cost?
This FEBI BILSTEIN Door Lock is available for £53.99. Door Lock prices vary depending on brand, specifications, and vehicle compatibility. FEBI BILSTEIN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Door Lock?
Signs include the door not locking or unlocking with the key fob, difficulty turning the key in the barrel, the latch not engaging properly when the door is closed, or the door opening without a handle pull due to a worn latch.
What tools do I need to replace a Door Lock?
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 Door Lock fitted by a professional mechanic.
Can I use this part as a replacement for OE 4F1 837 015?
Yes, this FEBI BILSTEIN Door Lock is a direct replacement for OE part number 4F1 837 015. 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 FEBI BILSTEIN 172125 the same as the FEBI BILSTEIN 17016?
No, while both are Door Lock parts, they are different products. The FEBI BILSTEIN 172125 has Fitting Position: LV, Weight [kg]: 0,680 kg, Operating Mode: EL. The FEBI BILSTEIN 17016 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.
