Audi A4 B7 Rear Bumper Diffuser S-Line Trim Cover 8E0807521H Avus Silver - Y7J

Visual condition of the part

Possible scratches and paint chips – condition as shown in the product photos.

Audi A4 B7 S-Line Rear Bumper Diffuser in Avus Silver Pearl Effect (Y7J) is an original lower trim designed for the factory S-Line bumper. This component, from the Bumpers and Reinforcements category, allows for an aesthetic and technically correct restoration of the rear bodywork, maintaining the manufacturer's styling line.

Specifications and technical data

• SKU: 8E0807521H-AVS
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0807521H
• Substitutable numbers: 8E0807521H, 8E0 807 521 H
• Location on the vehicle: Rear
• Color: Avus Silver Pearl Effect - Y7J
• Category: Bumpers & Reinforcements

Purpose and Function of the Component

The presented diffuser is intended for installation on the rear of the bumper in the Audi A4 B7 S-Line version. As an original body part, it ensures the correct flow of the bumper line, consistency with the factory design, and proper fitment to the bumper's mounting points and shape.

Its placement on the vehicle is the rear, meaning the component is responsible for the lower, outer part of the bumper, influencing both appearance and proper shielding of the rear body area.

Color Scheme and Visual Fitment

The finish in Avus Silver Pearl Effect - Y7J allows for consistency with Audi's original paint palette. The pearlescent nature of the color complements the S-Line styling, emphasizing the car's sporty yet understated character.

For full visual compatibility, it is recommended to compare the color code with the vehicle's paint or consult with a paint specialist, especially when installing on cars that have undergone body and paint repairs.

Technical Characteristics and Installation

The diffuser is designed as an OEM part, ensuring factory fitment with the Audi A4 B7 S-Line rear bumper. The design anticipates installation at the original mounting points, without the need for bumper modifications, provided the bumper is the S-Line version.

Before installation, it is advisable to pay attention to:

• Body version compatibility (A4 B7 with S-Line package),
• The condition of the bumper and diffuser mounting points,
• Potential need for paint matching in case of shade differences.

This preparation method minimizes the risk of installation issues and ensures an aesthetically pleasing final result.

Part Condition and Application in Repairs

The item is offered as a used part, making it an attractive solution for accident repairs, bodywork restoration, or returning the car to its original S-Line specification. A used diffuser often allows for a significant reduction in the cost of restoring the rear of the vehicle compared to new components, while maintaining original geometry and fitment.

Compatibility within the Bumpers and Reinforcements Category

If you are planning a comprehensive restoration of the rear bodywork, such as combining diffuser replacement with other bumper elements, reinforcements, or additional covers, check the available parts in the Audi Bumpers and Reinforcements category.

For users interested in deepening their knowledge of selecting body parts and accessories for modern powertrains, including the importance of correctly choosing OEM and aftermarket parts, the Global Parts guide may be helpful – BMW Code B58 – Pre-purchase Checklist for Turbocharger and Intercooler for BMW 3 Series (G20), which demonstrates a methodical approach to verifying compatibility and part numbers.