Front Left Door Lock Latch Actuator for VW Audi Passat B6 A4 A5 Q5 TT
Restore reliable keyless entry and precise central locking to your left-hand drive VW Passat B6, Audi A4, A5, or Q5 with this direct-fit front left door lock latch actuator. Designed to replace worn, seized, or electrically failed original units, this actuator replicates exact factory torque curves and gear ratios to eliminate stubborn handles, intermittent lock signals, and stuck deadbolts. Featuring a standardized 9-pin electrical connector and a precision-engineered composite housing, it bolts directly into the existing door frame without wire splicing or module reprogramming. Compatible across extended Audi and Volkswagen Group chassis codes, this replacement delivers consistent operation season after season while protecting against moisture intrusion and wear inside the door cavity.
Benefits & Tips
- Maintains smooth, quiet latch engagement even after winter road salt exposure or high-mileage cycling.
- Confirm your vehicle's assembly month and interior trim tier before removal to guarantee bracket alignment and pin layout match.
- Run a manual calibration cycle immediately after installation by locking and unlocking three times to reset the BCM learning values.
Product Specifications
- OEM Reference Numbers: 3CD837015, 3C1837015A, 3C1837015B, 8J1837015A, 3CD 837 015, 3C1 837 015 A
- Electrical Interface: 9-Pin Connector
- Placement: Front Left Door (Driver Side)
- Steering Configuration: Left Hand Drive
- Net Weight: 0.8 kg
- Casing Composition: Reinforced Polymer Mixture
- Country of Origin: Mainland China
Package includes:
- One (1) Front Left Door Lock Latch Actuator Assembly
Warnings & Reminders
Disconnect the negative battery terminal before detaching the door trim to prevent blown fuses or CAN bus errors. Ensure the new actuator sits flush in the mounting channel and that the striker plate clearance is adjusted to spec to avoid premature gear stripping. Consult your owner's manual for center-lock engagement procedures if equipped.
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