Audi R8 42 Rear Tailgate Boot Lid Damper Left Right N/O/S 420827522A

Audi R8 42 trunk lid buffer left/right rear is an original body part responsible for controlled closing and stable support of the trunk lid. The precisely selected operating characteristics of the buffer reduce vibrations, noise, and unwanted impacts of the lid during closing and driving.

Specifications and technical data

• SKU: 420827522A
• Mark: Audi
• Condition: Used
• OEM Part Number: 420827522A
• Substitutable numbers: 420827522A, 420 827 522 A
• Location on the vehicle: Rear, Right, Left
• Category: Lift Supports, Latches, Hinges & Additional Parts

Purpose and Function of the Audi R8 Trunk Lid Buffer

The presented Audi trunk lid buffer belongs to the group of body elements responsible for the correct positioning and damping of the lid in the rear of the vehicle. It is mounted on the left or right side at the rear, in the lid closing area, where it:

• stabilizes the lid's position when closed, limiting micro-movements on uneven surfaces,
• dampens closing energy, reducing loads transferred to the hinges and lock,
• reduces noise and vibrations transmitted to the vehicle's interior,
• supports the sealing of the rear body by maintaining proper pressure against the seals.

This ensures predictable operation of the trunk lid system, and components such as hinges, the lock, and gas springs are less exposed to operational overloads.

Category: Gas Springs, Locks, Hinges, and Other Audi Parts

The buffer belongs to the category of gas springs, locks, hinges, and other parts, which is a group of components responsible for the mechanics of opening, guiding, and locking the trunk lid. Within a single system, it works in conjunction with the lock, hinges, and any gas springs, forming a cohesive system for:

• lid guidance along the hinge axis,
• controlled closing with impact limitation,
• maintaining proper pressure against the body seals.

If you are looking for other parts from this group, such as additional buffers, locks, or hinges for this manufacturer, check out the available Audi gas springs, locks, hinges, and other parts to complete the entire rear lid system in one place.

Mounting Characteristics and Vehicle Placement

The buffer is designed for operation in the rear of the body, with the possibility of mounting on the left or right side. This solution facilitates servicing and allows for:

• symmetrical support of the lid on both sides,
• even distribution of loads onto the body structure,
• precise alignment of the lid edges with the bumper and fender lines.

The correct positioning of the buffer directly affects the geometry of the lid closure, therefore, during replacement, it is recommended to check clearances and make any necessary adjustments according to the manufacturer's service procedure.

Benefits of Using an Original Audi Buffer

Choosing an original buffer from the Audi group offers a range of practical advantages in daily operation:

• factory fit to the lid and body structure, without the need for modifications,
• consistent operating characteristics with other components of the closing system,
• maintaining proper lid operation – reducing knocks, creaks, and play,
• reduced wear on the lock and hinges due to damping of the final closing phase.

The part comes from the segment of used original parts, allowing for a favorable purchase cost while maintaining parameters close to the manufacturer's original solutions.

Buffer and Vehicle Tuning and Modernization

When modifying the body, such as changing the lid's alignment, installing spoilers, or aerodynamic elements, the condition and characteristics of the buffers are important for maintaining correct closing geometry. Replacing worn-out components with functional OEM parts is a sensible step in preparing the car for further modifications. If you are planning more extensive modernization work using used parts, it is worth reading the guide Tuning with Used Parts – How to Gain Performance Without Losing a Fortune, which discusses a practical approach to selecting and installing used components.