Audi A4 B8 Door Brake Stopper Check Strap Rear Left Right N/O/S 8K0839249B

Audi A4 B8 Door Brake Stopper Check Strap Rear Left Right is an original component from the Doors and door panels group, designed for the rear section of the vehicle body. It ensures a controlled range of door opening, stabilizes its position, and limits unwanted stress on the hinges during daily operation.

Specifications and technical data

• SKU: 8K0839249B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0839249B
• Substitutable numbers: 8K0839249B, 8K0 839 249 B
• Location on the vehicle: Rear, Right, Left
• Category: Doors & Door Skins

Purpose and function of the door brake

The door brake is responsible for the precise guidance of the rear door in an Audi, holding it in pre-set opening positions. This prevents the door from opening too wide, which reduces the risk of damage to the bodywork and adjacent vehicles or garage walls. This solution relieves the hinges, improves user comfort, and ensures predictable door behavior under various operating conditions.

Vehicle placement and compatibility

The presented door brake is designed for installation in the rear section of the vehicle, with the possibility of use on both the left and right sides. This solution simplifies the selection of the part for post-accident repairs or when replacing worn components in the rear passenger door area. The use of factory mounting geometry allows for the proper operation of the opening and closing mechanism without the need for structural modifications to the door.

Characteristics of the used component

The door brake comes from dismantling, which means it is a used part that retains the manufacturer's original specifications. Such components are often chosen for economic repairs, where a combination of proper functionality and reasonable cost is important. A used part allows for maintaining the structural integrity of the door while reducing expenses compared to purchasing a new sub-assembly.

Benefits of using an original door brake

Using an original door brake in an Audi A4 B8 provides a number of practical benefits:

• maintaining the factory feel of the rear door operation,
• properly calibrated resistance when opening and closing the door,
• reduction of loads acting on the hinges and door panels,
• easier maintenance of correct gaps and fitment in the door area.

As a result, replacing a worn door brake with an original equivalent restores the predictable operation of the door mechanism and improves the daily ergonomics of using the vehicle.

Audi doors and door panels – expansion and repairs

If you are planning a comprehensive repair or modernization of the door area in your Audi and need other elements from the same group, such as skins, reinforcements, or additional mounting hardware, check out the available parts in the Audi doors and door panels category.

More about using second-hand parts in Audi

If you want to better plan repairs or modifications for your car using second-hand components, it is worth checking out practical tips regarding the selection and operation of such elements. More information can be found in the article Audi with second-hand parts – tuning and repairs without losing quality, which discusses how to effectively combine savings with maintaining appropriate technical standards.