JIZHI 3B1837015 Car Door Lock Actuator for VW Passat B5 BORA GOLF IV - Central Locking System Electr

Product Overview

This JIZHI brand Car Door Lock Actuator is a direct OEM (Original Equipment Manufacturer) replacement part for various Volkswagen vehicles, most notably the Passat B5. It is an electric motor assembly responsible for the locking and unlocking mechanism of the vehicle's door latch system. This component is crucial for the proper operation of both keyless entry and manual central locking systems. Manufactured by Shanghai Youzhi Industrial Co., Ltd., this part is engineered to meet or exceed original specifications, ensuring a reliable and long-lasting repair solution.

Core Specifications & Attributes

Extended Compatibility List

While primarily designed for the VW Passat B5, this actuator is also compatible with a wider range of Volkswagen Group vehicles due to shared platform components. Always verify your vehicle's VIN and existing part number before purchasing, but compatibility often includes:

• Volkswagen Passat (3B2, 3B3) - B5 Generation
• Volkswagen Bora (1J2) - Mk4 Jetta
• Volkswagen Golf IV (1J1) - Mk4 Golf
• Volkswagen Caddy (2K) - Certain model years
• Volkswagen Touran (1T) - Some variants
• SEAT Toledo II (1M2)
• SEAT Leon (1M1)
• Škoda Octavia (1U) - Mk1 models

Function & Usage

The door lock actuator is an electromechanical device that converts an electrical signal from your car's central locking system into physical movement. When you press the unlock button on your key fob or inside the vehicle, an electrical current is sent to the actuator's motor. This motor drives a series of gears and levers that physically move the door latch mechanism between the locked and unlocked positions. A faulty actuator is a common cause of central locking problems, such as doors not locking/unlocking with the key fob, intermittent operation, or unusual grinding noises from inside the door panel.

Common Symptoms of a Failing Actuator:

• Door does not lock or unlock with the central locking system.
• Only one door fails to operate while others work fine.
• A clicking or grinding sound is heard from the door when attempting to lock/unlock.
• The door lock button on the interior panel feels loose or has no resistance.
• The power locks work sporadically or only under certain conditions.

Purchase & Logistics Information

This product is typically available through B2B platforms like ajfpt.com and various automotive parts retailers.

• Minimum Order Quantity (MOQ): 1-50 PCS (varies by supplier)
• Delivery Time:                
  • <= 100 PCS: Approximately 7 days
  • <= 500 PCS: Approximately 15 days
• Samples: Available for quality verification before bulk orders.
• Order Protection: Many platforms offer payment protection, money-back policies, and dispute resolution services to ensure a safe transaction.

Installation Guide (General Overview)

Disclaimer: This is a general guide. Consult a professional mechanic or a vehicle-specific repair manual for detailed instructions. Working on door panels involves electrical connections and mechanical fasteners that can be complex.

1. Disconnect the Battery: Always disconnect the negative terminal of the car battery to prevent electrical shorts or shocks.
2. Remove the Door Panel: Carefully pry off the interior door panel by removing screws, clips, and trim pieces. This often requires special tools to avoid damaging the panel.
3. Remove the Moisture Barrier: Peel back the plastic or foam moisture barrier to access the internal door components.
4. Locate and Disconnect the Old Actuator: Find the faulty actuator mounted near the door latch. Disconnect the electrical connector and any mechanical rods linked to the latch and interior handle.
5. Unmount the Actuator: Remove the screws or bolts securing the actuator to the door frame or latch assembly.
6. Install the New Actuator: Position the new JIZHI actuator and secure it with the mounting hardware. Reconnect the linkage rods and electrical connector.
7. Test the Operation: Before reassembling, reconnect the car battery and test the new actuator using the key fob and interior lock button to ensure it functions correctly.
8. Reassemble the Door: Once confirmed working, reattach the moisture barrier, door panel, and all trim pieces.

After-Sales Service & Support

Reliable suppliers typically offer the following support:

• Warranty: Products often come with a limited warranty (e.g., 12 months) against manufacturing defects.
• Technical Support: Assistance with compatibility verification and basic installation queries.
• Return/Refund Policy: Policies for defective or incorrect items are usually available, with the buyer often responsible for return shipping costs.

Frequently Asked Questions (FAQ)

Q: Is this actuator a direct plug-and-play replacement?

A: Yes, for the listed vehicle models, it is designed to be a direct fit, using the same mounting points and electrical connectors as the original part.

Q: How can I be sure this part fits my specific VW?

A: The best method is to cross-reference the OE number on your old actuator. Remove the door panel and check for the part number (e.g., 3B1837015A) stamped on the unit. Matching this number is the most reliable way to ensure compatibility.

Q: What is the difference between this and a genuine VW part?

A: This is an aftermarket part manufactured to OEM specifications. It offers comparable performance and reliability at a lower cost than purchasing directly from a dealership. JIZHI is a known brand in the auto parts industry with a focus on quality.

Q: Can I install this myself?

A: If you have intermediate DIY skills, proper tools, and a vehicle-specific guide, it is possible. However, due to the complexity of door panels and the risk of damaging clips or electrical components, many owners prefer to have it installed by a professional mechanic.

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