Secure reliable locking for your Audi with our Rear Left & Right Door Lock Actuator Mechanism, compatible with Audi A3 (8P), A6 (C6), and A8 (4E) models. At DDP AutoParts, we source quality aftermarket actuators that replicate OEM functionality — giving you strong and consistent central-locking operation without the high price tag. These actuators are engineered for plug-and-play installation, with robust internal gearing and corrosion-resistant housing to handle repeated cycles. Whether your current lock is intermittently failing, making noise, or not locking at all, our replacement ensures long-lasting performance and peace of mind.

OEM Number: 4F0839016, 8E0839015AB, 8E0839016AB, 4F0839015, 8E0839015AA, 8E0839016AA

Fitting Position : Rear Left & Right Side

Number of Pins : Left Side 8-Pin Connector, Right Side 7-Pin Connector

Quantity : 2

Our SKU: TA8E0839015AA/9016AAPAIR_94

All our Rear Left And Right Door Lock Actuator Mechanism For Audi A3 (8P) A6 (C6) A8 4E are OEM quality and reliable after market car parts. This Rear Left And Right Door Lock Actuator Mechanism For Audi A3 (8P) A6 (C6) A8 4E is specifically compatible with Audi: A3, A4, A6, A6 Allroad, A8, Seat: Exeo, .

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

❓ Frequently Asked Questions 

1. Will these actuators definitely fit my vehicle?
   Yes — these mechanisms are designed for the Audi A3 8P, A6 C6 (4F), and A8 4E. However, to ensure a perfect fit, you can provide us with your VIN and we’ll double-check the exact door lock assembly your car uses.

2. Are these parts genuine OEM or aftermarket?
   These are aftermarket actuators, but they’re manufactured to closely match OEM specifications for fit, function, and durability. You benefit from reliable locking performance without the premium OEM cost.

3. What are the common symptoms if my current door lock actuator is failing?

   • Doors not locking or unlocking correctly via remote or internal buttons.

   • A “rattling” or clicking sound coming from the door when locking/unlocking — many Audi owners report similar behavior when their actuators are worn.

   • Intermittent central lock failures or unresponsive locking system.

4. Is installation difficult?
   It’s a moderately technical job:

   • Remove the interior trim on the rear doors.

   • Disconnect the existing actuator’s electrical plug and detach any linkage.

   • Fit the new actuator into the latch mechanism and reconnect everything.

   • Test the locking/unlocking function before reassembling the trim.

5. Could I get electrical errors or central locking faults after replacement?
   It’s unlikely if installed correctly. But some users report central locking or “lock unit” errors when using low-quality parts. By using our high-quality aftermarket versions and following proper installation tips, the risk is reduced.

6. How long should I expect these parts to last?
   With correct installation and use, these actuators are built to last many years. Their internal motor and gears are designed to endure countless locking cycles.

7. Do you offer a warranty or support?
   Yes — every actuator ordered from DDP AutoParts comes with our standard warranty. If there’s a problem with fit or function, our team will help you troubleshoot or arrange a replacement.

8. Why choose DDP AutoParts for this component?

   • Value: We offer high-quality aftermarket parts at a much lower cost than OEM.

   • Reliability: These actuators are rigorously tested for fit and operation.

   • Support: We help with fitment checks, installation advice, and after-sales service.

   • Availability: We stock commonly needed actuators, reducing your wait time.