APDTY 141420 is a brand-new rear left (driver-side rear) door latch assembly with integrated lock actuator motor designed to restore proper door latching and power lock function on select Volkswagen models. This direct-replacement part fits 1999-2006 VW Golf, 1999-2005 VW Jetta (with date restrictions), and 2000-2005 VW Passat vehicles, solving common issues like doors that won't latch securely, power locks that fail to engage, or doors that won't open from inside or outside.
Key Takeaways
- Direct replacement for rear left (driver-side rear) door on 1999-2006 VW Golf, 1999-2005 VW Jetta, and 2000-2005 VW Passat
- Integrated lock actuator motor eliminates need to source separate components
- Replaces OE part numbers 3B4 839 015 AM, 3B4839015AM, 3B4839015, 3B4839015A, and aftermarket 930 54069 066
- Fixes common symptoms: door won't latch, power locks don't work, door stuck closed or won't stay closed
- Brand-new assembly ensures reliable operation and proper fitment
Buy APDTY 141420 directly from APDTY
What Does the Rear Door Latch Assembly Do?
The door latch assembly is the mechanical and electrical heart of your vehicle's door system. It performs several critical functions:
- Latching mechanism: The internal pawl and striker interface physically holds the door closed when you shut it, keeping occupants safe and preventing wind noise or water intrusion.
- Lock actuator motor: The integrated motor drives the locking mechanism, allowing power door locks to engage and disengage when you press the key fob, door switch, or central locking button.
- Door ajar detection: Many assemblies include a switch that signals the vehicle's computer when the door is open, triggering interior lights and dashboard warnings.
- Interior and exterior release: The latch connects to both inside and outside door handles via rods or cables, allowing mechanical opening from either side.
When the latch assembly fails, any or all of these functions can be compromised, leaving you unable to secure the door, lock it electronically, or open it reliably.
What Are the Symptoms of a Failed Door Latch Assembly?
A failing door latch assembly on your VW Golf, Jetta, or Passat typically produces one or more of these symptoms:
- Door won't latch or stay closed: The door bounces open after closing, or requires multiple attempts to latch securely. This is often caused by worn or broken pawl springs or latch mechanisms inside the assembly.
- Power locks don't work on one door: All other doors lock and unlock normally, but the rear left door doesn't respond to the key fob or door switches. This indicates the internal actuator motor has failed.
- Door stuck closed: The latch won't release when you pull the interior or exterior handle. You may hear the actuator motor running but the door remains locked.
- Intermittent locking/unlocking: The door locks and unlocks unpredictably, or makes grinding or clicking noises when attempting to lock.
- Door ajar warning stays on: The dashboard light remains illuminated even when the door is fully closed, caused by a faulty switch in the latch assembly.
- Exterior handle doesn't open door: The handle pulls but doesn't trigger the latch, often due to broken linkage attachment points within the assembly.
These symptoms typically worsen over time, and a completely failed latch can leave you unable to secure your vehicle or require climbing through another door to exit.
Which Vehicles Does APDTY 141420 Fit?
APDTY part number 141420 is engineered as a rear left (driver-side rear) door latch assembly for the following Volkswagen models:
| Year Range | Model | Notes |
|---|---|---|
| 1999-2006 | VW Golf | All 1999-2006 model years |
| 1999-2005 | VW Jetta | 1999 models manufactured from October 1998; 2005 models manufactured through December 2004 |
| 2000-2005 | VW Passat | All 2000-2005 model years |
Important: The VW Jetta has specific production date restrictions. If you own a 1999 Jetta built before October 1998, or a 2005 Jetta built after December 2004, this part may not be compatible. Always verify fitment using the live compatibility chart on the product page or by checking your vehicle's original equipment (OE) part number against the list below before ordering.
This assembly is position-specific for the rear left (driver-side rear) door only. If you need a latch for a different door position, you will need a different part number. For exact compatibility with your specific VIN, production date, and trim level, consult the detailed fitment chart on the APDTY product page.
OE Part Numbers and Specifications
APDTY 141420 replaces the following original equipment (OE) and aftermarket part numbers:
| Manufacturer | Part Number |
|---|---|
| Volkswagen OE | 3B4 839 015 AM |
| Volkswagen OE | 3B4839015AM |
| Volkswagen OE | 3B4839015 |
| Volkswagen OE | 3B4839015A |
| Aftermarket | 930 54069 066 |
| Aftermarket | 93054069066 |
Key specifications:
- Position: Rear left (driver-side rear)
- Configuration: Complete assembly with integrated lock actuator motor
- Condition: Brand new (not remanufactured or used)
- Includes: Latch mechanism, actuator motor, mounting hardware attachment points, wiring connector
To confirm this is the correct part for your vehicle, compare the part number on your existing latch assembly (usually stamped or labeled on the assembly body) with the OE numbers listed above, or use your VIN to cross-reference through the APDTY compatibility tool.
How Do You Replace a Rear Door Latch Assembly?
Replacing a door latch assembly is a moderate-difficulty DIY repair that typically takes 1-2 hours for a home mechanic with basic tools. Always consult your vehicle's factory service manual for model-specific procedures, torque specifications, and safety precautions. The general process involves:
- Preparation: Disconnect the vehicle battery negative terminal to prevent accidental power lock activation or electrical shorts during the repair. Gather tools including screwdrivers, trim removal tools, Torx or hex drivers, and a flashlight.
- Remove door panel: Carefully pry off trim covers and remove screws securing the inner door panel. Disconnect any electrical connectors for window switches, speakers, or courtesy lights. Lift the panel up and away from the door frame, being careful not to damage retaining clips.
- Access the latch: Peel back the moisture barrier (usually a plastic sheet) to expose the interior of the door. You'll see the latch assembly mounted to the rear edge of the door frame.
- Disconnect linkages: Detach the door handle rods or cables from the old latch assembly. Note their routing and connection points—taking photos with your phone is helpful for reassembly. Disconnect the electrical connector for the lock actuator motor.
- Remove old latch: Unbolt the latch assembly from the door frame (usually 2-3 Torx or hex bolts). Carefully extract the old assembly through the access hole in the door frame.
- Install new latch: Position the new APDTY 141420 assembly in the door frame and secure with the original bolts, tightening to factory torque specifications. Reconnect the lock actuator electrical connector and reattach all door handle linkages in their original positions.
- Test function: Before reassembling the door panel, reconnect the battery and test the latch operation. Open and close the door from inside and outside, verify power locks engage and disengage properly, and check that the door closes securely without rattling.
- Reassemble: Once function is confirmed, reinstall the moisture barrier, door panel, trim pieces, and all fasteners. Test all door panel controls (windows, locks, switches) to ensure proper reconnection.
Safety notes: Work in a well-ventilated area. If the door is stuck closed before repair, you may need to access the latch through the door jamb or by removing the exterior handle. Never force a stuck latch—you risk damaging the door frame or striker plate. If you're uncomfortable with this repair, consult a professional technician.
Frequently asked questions
Does APDTY 141420 include the lock actuator motor or is it sold separately?
APDTY 141420 is a complete assembly that includes the integrated lock actuator motor. You do not need to purchase any additional components—this is a direct bolt-in replacement for the entire rear left door latch mechanism.
Will this fit both sedan and wagon versions of the VW Jetta and Passat?
The provided fitment data does not specify body style differences. To confirm compatibility with your specific sedan, wagon, or variant, check the live compatibility chart on the product page or verify your vehicle's original OE part number matches one of the listed replacements.
Can I use this part on the rear right (passenger-side rear) door?
No. APDTY 141420 is position-specific for the rear left (driver-side rear) door only. Door latch assemblies are side-specific due to handle linkage routing and latch orientation. You will need a different part number for the rear right door.
How do I know if my door latch has failed or if the problem is the door handle?
If the door won't latch closed or power locks don't work on that door, the latch assembly is usually the culprit. If the exterior handle feels loose or broken but the door still latches and locks normally, the handle itself may be the issue. Try operating the interior handle—if it works but the exterior doesn't, the handle or its linkage may be broken rather than the latch.
A failed rear door latch assembly on your VW Golf, Jetta, or Passat isn't just an inconvenience—it's a safety and security risk that can leave your vehicle vulnerable and difficult to operate. APDTY 141420 provides a direct-replacement solution with an integrated lock actuator motor, restoring proper latching, power lock function, and door operation to factory specifications. With verified fitment for 1999-2006 Golf, 1999-2005 Jetta (date-restricted), and 2000-2005 Passat models, this brand-new assembly delivers reliable performance and straightforward installation. Check the compatibility chart to confirm fitment for your specific vehicle, and restore your door's functionality with confidence.