Rein AVZ0166 Jounce Bumper - Front

Rein AVZ0166 Suspension Bump Stop

Rein AVZ0166 is an OE-quality suspension bump stop built for front suspension applications on select Audi and Volkswagen models. It is made to match original equipment dimensions and rubber hardness for consistent compression control, reduced impact noise, and long service life.

Compatible With front suspension service on Audi S4, Audi A4, Audi A4 Quattro, Audi A6, Audi A6 Quattro, Audi S6, Audi RS6, and Volkswagen Passat applications that call for the specified OE-style bump stop.

Key Features

• Rubber bump stop engineered to match original equipment shore hardness
• OE design specifications for fit, form, and function
• Manufactured to strict engineering standards for materials and tolerances
• Application-specific design for front suspension use
• Recommended replacement in pairs for balanced suspension performance
• Rein AVZ0166 is a direct OE-quality replacement for the listed applications

Detailed Description

This Rein suspension bump stop helps control suspension travel at full compression, reducing harsh bottom-out contact and helping preserve ride quality. Rein AVZ0166 follows OE design intent and is built for the front position on 1996-2008 Audi and Volkswagen platforms listed in the fitment data, including Audi A4, A4 Quattro, S4, A6, A6 Quattro, S6, RS6, and Volkswagen Passat. The part number AVZ0166 is also a useful reference when verifying the correct OE-style replacement for these vehicles.

This part cross-references OE number 8D0412131E for the same application.

What It Helps Address

• Excessive suspension bottoming over bumps and dips
• Harsh impact noise from full compression events
• Worn or deteriorated front bump stop material
• Uneven suspension response caused by aged rubber components
• Loss of OE-style compression control in the front suspension

Installation Notes

Install AVZ0166 on the front suspension only where the fitment data confirms application. Replace bump stops in pairs to maintain even performance side to side; bump stop sets include the required pair. No installation instructions or hardware are included, so reuse or source any related components as needed during suspension service.

Quality Assurance

Rein anti-vibration parts are application-specific and built to match the design and function of the original equipment part. AVZ0166 is manufactured to strict engineering standards and is intended to deliver OE-style fit and performance for the listed Audi and Volkswagen front suspension applications.