Volkswagen Transporter T5 T6 Rear Sliding Door Rotary Lock Left N/S 7LA843603T

Volkswagen Transporter T5 T6 Rear Sliding Door Rotary Lock Left N/S is an original component from the Internal locks and latches group, designed for installation in the rear left section of the vehicle body. It ensures secure locking of the sliding door, stable mechanism operation, and proper closing, which translates into safe use of the cargo and passenger space.

Specifications and technical data

• SKU: 7LA843603T
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 7LA843603T
• Substitutable numbers: 7LA843603T, 7LA 843 603 T
• Location on the vehicle: Rear, Left
• Category: Interior Locks & Lock Hardware

Purpose and function in the vehicle

The presented lock is dedicated to the rear left sliding door in Volkswagen Transporter T5 and T6 models. It is responsible for the mechanical locking and unlocking of the door leaf, working in conjunction with guides, handles, and other elements of the sliding mechanism. A properly selected lock allows for maintaining the factory closing geometry, reduces play, and minimizes the risk of accidental opening while driving.

Construction and fitment for Volkswagen Transporter T5/T6

As a Volkswagen brand component, the Volkswagen Transporter T5 T6 Rear Sliding Door Rotary Lock Left N/S has been designed specifically for the Transporter body structure. This means:

• maintaining the correct mounting position in the rear left part of the vehicle,
• compatibility with factory mounting holes and guides,
• consistency with the original handle and linkage mechanism.

Thanks to this, the installation proceeds in an orderly manner, without the need for bodywork modifications or mounting adaptations, and the entire door system retains parameters close to factory specifications.

Condition, service application, and benefits of installation

The item comes from the secondary market, making it an attractive service solution for users and workshops maintaining Transporter fleets. Replacing a worn or damaged lock with an original used component allows you to:

• restore proper closing and locking of the sliding door,
• reduce noise and vibrations resulting from play in the mechanism,
• maintain consistency with the vehicle's factory security system.

For workshops specializing in the Volkswagen brand, this is a practical way to optimize repair costs while maintaining compliance with the original vehicle construction.

Installation and operational tips

When replacing the rear left sliding door lock, it is recommended to:

• check the condition of the door guides, rollers, and hinges,
• verify the correct alignment of the door relative to the body after installation,
• use appropriate lubricants at the mechanism's operating points.

Such an approach allows for fully utilizing the potential of the part and ensures stable, repeatable operation of the locking mechanism in daily use.

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

For users considering wider use of secondary market parts, including electronic components that work with locking systems, a guide discussing the selection and installation of used modules may be useful – you can find it in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.