VW Golf Mk8 Polo Mk6 5Dr Rear Door Lock Mechanism Actuator Left N/S 5TA839015P

VW Golf Mk8 Polo Mk6 5Dr Rear Door Lock Mechanism Actuator Left N/S is an original Volkswagen group component, designed for the rear left door of a five-door body style. It ensures precise locking, correct operation with the door handle mechanism, and stable closing, which translates into safe vehicle use and proper functioning of the locking system.

Specifications and technical data

• SKU: 5TA839015P
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5TA839015P
• Substitutable numbers: 5TA839015P, 5TA 839 015 P
• Location on the vehicle: Rear, Left
• Category: Exterior Locks & Lock Hardware

Purpose and function of the door lock

The presented lock is a component of the rear left door locking system in VW vehicles with a five-door body. It is responsible for:

• mechanically locking the door in the closed position,
• working with the external and internal door handles,
• maintaining a stable door position while driving,
• proper opening and closing of the door panel along the hinge axis.

Thanks to its specific fitment for the vehicle position (rear, left side), the lock operates within the range of forces and kinematics intended by the manufacturer, which reduces wear on hinges and seals.

Benefits of using an original Volkswagen lock

Choosing an original lock from the Locks and latches group for VW Golf and Polo allows you to maintain the structural integrity of the entire door system. The component is designed for a specific five-door body, which ensures that it:

• provides proper fitment with the door sheet metal and the body pillar,
• maintains a consistent closing point, which improves acoustic comfort,
• reduces the risk of play and rattling coming from the rear cabin area,
• facilitates service – the mechanic works on a known, factory-standard design.

Using original solutions in the door locking area helps maintain predictable body behavior during daily operation and periodic maintenance.

Installation characteristics and fitment

The lock is intended for installation in the rear zone, on the driver's side (left side of the vehicle). The design intended for a specific position on the vehicle allows for:

• correct routing of control rods and cables,
• proper alignment with the striker on the pillar,
• stable cooperation with door and body seals,
• preservation of factory closing geometry.

Such fitment reduces the need for additional adjustments after installation and makes it easier to maintain even gaps between the door and the body.

Condition of the component and service application

The offered lock comes from the Volkswagen segment and is intended as a service part for rear door locking system repairs. It is suitable both for replacement after mechanical damage (e.g., after a collision or excessive wear) and for restoring proper door closing in vehicles that are used intensively.

Expansion of the Volkswagen locks and latches system

If you are planning a comprehensive repair or upgrade of the door area in your Volkswagen and need other components from the same group, such as locking mechanisms, strikers, or additional locking modules, check the available parts in the Volkswagen locks and latches category.

For a comparison of how manufacturers approach maintaining the brand's character and the role of original components in preserving the vehicle's factory properties, it is worth reading the article Audi and pure emotion. How do used parts help maintain the brand's DNA?, which shows how choosing the right components affects the quality of vehicle operation.