Audi A4 B8 Rear Outer Weatherstrip Strip Door Left N/S Black 8K0853763F

Audi A4 B8 Rear Outer Weatherstrip Strip Door Left N/S Black is a precision body component from the Doors and door panels group, designed to effectively seal the door edge. The black profile, matched to the body lines, provides an aesthetic finish and stable protection against water and contaminants in the rear left section of the vehicle.

Specifications and technical data

• SKU: 8K0853763F
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0853763F
• Substitutable numbers: 8K0853763F, 8K0 853 763 F
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Doors & Door Skins

Purpose and function in the Audi A4 B8 body

The presented rear left outer weatherstrip has been developed specifically for Audi A4 B8 generation models as a component mounted on the door edge in the rear part of the body on the driver's side. It is responsible for maintaining the seal between the door and the body, limiting the ingress of water, dust, and noise into the cabin.

Thanks to its tailored profile and appropriate shape, the weatherstrip stabilizes the door line relative to the body, which helps maintain proper panel fitment and reduces the risk of unwanted vibrations or rattling while driving.

Construction, color, and fitment

The element is finished in black, allowing for a seamless integration with factory trim and window frames in the Audi. The neutral color blends well with both light and dark body paints, preserving the original character of the car's side profile.

Its placement on the rear left side of the vehicle ensures compatibility with the factory door layout. The properly contoured geometry facilitates installation in the location intended by the manufacturer, and the appropriate stiffness of the weatherstrip promotes even pressure along the entire length of the door edge.

Performance characteristics and installation benefits

As an element from the Doors and door panels group, the weatherstrip influences the comfort of daily vehicle operation in several areas:

• limiting the ingress of water and moisture around the door edge,
• reduction of wind noise and external road noise,
• stabilization of the door position relative to the body,
• protection of the paint at the contact point between the door and the body against excessive friction.

The product is an original Audi brand component, which promotes proper fitment with factory A4 B8 doors and allows for maintaining the body structure in accordance with the manufacturer's specifications.

Condition, service application, and part selection

The weatherstrip is offered in used condition, which allows for an economical replacement of a worn or damaged part while maintaining the original manufacturer's specifications. This is a practical solution for post-accident repairs, fixing leaks, or renovating the rear left door zone.

When selecting parts, it is worth paying attention to compatibility with the body version and the mounting side of the vehicle. Properly matching the weatherstrip to a specific Audi A4 B8 model minimizes the risk of issues with door closing, leaks, or improper trim adhesion to the body.

Repair expansion – Audi Doors and door panels

If you are planning a comprehensive repair or upgrade of the door zone in your Audi and need other elements from the same group, such as skins, frames, or additional trim, check out the available parts in the Audi Doors and door panels category.

Knowledge about used parts – when it is a good choice

When planning repairs using used components, it is worth knowing the practical rules of selection and installation to maintain an appropriate level of durability and safety. Additional information on when using used components makes the most sense can be found in the article: Volkswagen – solidity and reliability. Why are used VW parts a sensible choice?.