Audi R8 42 Gen 1 Rear Bumper Deformation Impact Beam Right O/S 420807554B

The Right Rear Bumper Reinforcement Bar for Audi R8 42 First Generation is an original structural body component designed for installation on the right rear side of the vehicle. Manufactured by the original equipment manufacturer, it ensures proper load transfer during impact and provides stable support for the bumper cover, which is crucial for both safety and maintaining the vehicle's body geometry.

Specifications and technical data

• SKU: 420807554B
• Mark: Audi
• Condition: Used
• OEM Part Number: 420807554B
• Substitutable numbers: 420807554B, 420 807 554 B
• Location on the vehicle: Rear, Right
• Part type: Bumper Reinforcement Beam
• Category: Bumpers & Reinforcements

Purpose and Function in the Vehicle

The right rear bumper deformation bar in the Audi R8 42 First Generation is responsible for controlled absorption of collision energy and maintaining the proper rigidity of the rear body structure. This component works in conjunction with the longitudinal members and bumper mountings, thereby:

• stabilizing the position of the rear bumper relative to the body, preventing unwanted displacement;
• supporting the preservation of the rear vehicle geometry in minor collisions and parking impacts;
• facilitating the correct alignment of the bumper cover with the fenders and trunk lid, which impacts aesthetics and aerodynamics.

Its placement on the vehicle, specified as rear – right side, allows for unambiguous identification of the part during selection and body repair planning.

Construction and Fitment for Audi R8 42 Gen 1

The Right Rear Bumper Reinforcement Bar for Audi R8 42 Gen 1 was developed as part of the passive safety system, with a geometry specifically designed to match the aluminum body structure of this model. Appropriately shaped mounting points enable:

• precise positioning relative to the factory mounting holes in the body structure;
• maintaining the correct bumper line on the right side, reducing the risk of stress and cover cracks;
• compatibility with the factory deformation system in rear impacts.

Its original Audi origin promotes adherence to service documentation and repair procedures used in authorized service centers and professional body shops.

Condition, Application, and Benefits of Installation

The offered reinforcement bar belongs to the Bumpers and Reinforcements category and is intended for use as a replacement part in case of damage to the rear of the vehicle. Choosing the original right-side deformation bar allows for:

• restoration of factory energy absorption characteristics in the rear crumple zone;
• minimizing issues with bumper and adjacent body part fitment after repair;
• maintaining predictable vehicle behavior in potential subsequent rear impacts.

The used condition indicates that the part has been previously in use but can still fulfill its structural function after positive verification by a workshop. This is a solution often chosen for economical repairs where preserving the original structure while optimizing costs is a priority.

Selection, Installation, and Technical Support

When selecting a rear bumper reinforcement bar for the Audi R8 42 First Generation, it is crucial to pay attention to:

• compatibility with the body generation (R8 42 Gen 1);
• correct vehicle placement – rear, right side;
• original manufacturer markings, which facilitate part verification in service documentation.

Installation should be carried out by a workshop experienced in repairing Audi R8 structures, adhering to procedures for checking mounting points, tightening torques, and potential calibration of body components. A correctly installed reinforcement bar is a significant element of the rear vehicle's structural integrity.

If you need other Audi bumpers and reinforcements, check the Audi bumpers and reinforcements available in our store to find a complete solution for your car.

For drivers interested in a broader approach to vehicle servicing, including selecting components by manufacturer markings, the advisory article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair may be helpful, discussing practical aspects of identifying parts by OEM numbers, among other topics.