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Details
| Specification | Value |
|---|---|
| Brand | FAST |
| MPN | ft00048 |
| Voltage [V] | 12 V |
| Fitting Position | Left Front |
| Operating Mode | EL |
| paired article number | FT00049 |
OE numbers (6)
Search by this OE number to find compatible parts
- VW—3C1 837 015A
- VW—3C1 837 015 B
- VW—4B0839015C
- VW—4B0 839 015 H
- AUDI / PORSCHE / VW—8J1837015A
- PORSCHE / VW—9A783721501
Where this part fits
Original-fit position for OE 4B0839015C.
About this product
Sourced from FAST, this door lock (FT00048) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Voltage [V]: Zinc V, Fitting Position: LV, Operating Mode: Electric, Left-/right-hand drive vehicles: Steel, Lock System: Copper — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, PORSCHE, SKODA, VW 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: 001-10-26411, 100134010, 100134410, 11026411 and 61 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FAST 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.
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.
Suitable cars
Equivalent products (62)
Show all 62 OE numbers
Door Lock FAST FT00048 — compatible car models
| Car models | AUDI: A4 Allroad B8 (8KH), A4 B8 (8K2), A4 B8 Avant (8K5), A5 (8T3), A5 Convertible (8F7), A5 Sportback (8TA), Q3 (8UB, 8UG), Q5 (8RB), Q7 (4LB), TT (8J3) (+1 more); PORSCHE: CAYENNE (92A), PANAMERA (970); SKODA: SUPERB II (3T4), SUPERB II Estate (3T5); VW: PASSAT B6 (3C2), PASSAT B6 Variant (3C5), TIGUAN (5N), TOUAREG (7P5, 7P6) |
|---|---|
| Engines | 2.0 TDI quattro; 1.8 TFSI; 1.4 TFSI; 2.0 TDI; 3.0 TDI quattro; 3.0 Diesel; 3.0 4S; 1.4 TSI; 3.0 V6 TDI |
| Year of manufacture | 2005-2020 |
| Manufacturer article number (MPN) | FT00048 |
| OE part numbers | 3C1 837 015A, 3C1 837 015 B, 4B0839015C, 4B0 839 015 H, 8J1837015A, 9A783721501 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FAST ft00048 . Fitting Position: LV. Left-/right-hand drive vehicles: 1. Lock System: 4. Operating Mode: EL. paired article number: FT00049. Voltage [V]: 12 V
- 1x Door Lock
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 Door Lock compatible with my car?
This Door Lock fits AUDI, PORSCHE, SKODA, 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 FAST Door Lock have?
This FAST Door Lock has the following specifications: Voltage [V]: 12 V; Fitting Position: LV; Operating Mode: EL; Left-/right-hand drive vehicles: 1; Lock System: 4; paired article number: FT00049. 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: 3C1 837 015A, 3C1 837 015 B, 4B0839015C, 4B0 839 015 H, 8J1837015A, 9A783721501. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Door Lock cost?
This FAST Door Lock is available for £52.99. Door Lock prices vary depending on brand, specifications, and vehicle compatibility. FAST 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 3C1 837 015A?
Yes, this FAST Door Lock is a direct replacement for OE part number 3C1 837 015A. 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.
