Bilstein B4 OE Replacement Suspension Strut Cartridge

1984–1987 Audi 4000 Quattro

Part #: 21-030406

Overview

The Bilstein B4 OE Replacement Suspension Strut Cartridge is designed to restore and maintain the original ride quality of your 1984-1987 Audi 4000 Quattro. Engineered with precision and backed by Bilstein's renowned reputation for quality and durability, these dampers provide a reliable solution for drivers seeking to preserve their vehicle's factory handling and comfort. Whether you're restoring your classic Audi or replacing worn-out components, the B4 OE Replacement Strut Cartridge ensures your vehicle continues to perform as it did when it left the factory.

Ideal for enthusiasts, daily drivers, and restorers alike, these strut cartridges help support consistent handling, improved safety, and a smooth ride. They are perfect for those who want to maintain the original driving experience while benefiting from Bilstein's advanced damping technology.

Key Features

The Bilstein B4 OE Replacement Dampers incorporate several advanced features designed to meet or exceed OE standards and enhance your vehicle's performance:

• Constructed with high-quality, durable materials to ensure long-lasting performance and resistance to wear and corrosion.
• Precision-engineered to match the original factory specifications, ensuring perfect fitment and seamless installation.
• Monotube design with Bilstein's proprietary gas-pressure technology provides consistent damping performance and improved handling.
• OE-replacement design maintains the factory ride height and handling characteristics, making it an ideal choice for restoration projects.
• High power reserves for maximum safety and stability during spirited driving or everyday commuting.
• Restores original driving comfort and handling, helping to maintain the vehicle's intended dynamics.
• Designed to meet or exceed OE standards, ensuring reliability and safety for your vehicle.

Construction & Design

The Bilstein B4 OE Replacement Strut Cartridge features a robust monotube construction, which offers superior heat dissipation and consistent damping performance under various driving conditions. The cartridge is built with a corrosion-resistant coating and high-grade steel components, ensuring durability and longevity. Its precise engineering guarantees a perfect fit within the original suspension assembly, allowing for straightforward installation without modifications. The design maintains the factory ride height and handling characteristics, making it an excellent choice for restoring or maintaining your vehicle's original performance.

Installation & Fitment

The Bilstein B4 OE Replacement Suspension Strut Cartridge is a direct bolt-on replacement for the original factory dampers on your 1984-1987 Audi 4000 Quattro. No cutting, drilling, or complex modifications are required for installation. Basic hand tools and mechanical knowledge are sufficient to complete the swap, making it a straightforward process for professional mechanics or experienced DIY enthusiasts. Proper alignment after installation is recommended to ensure optimal handling and tire wear.

• Designed specifically for the 1984-1987 Audi 4000 Quattro models.
• Replaces original OE dampers to restore factory ride quality and handling.
• Simple, bolt-on installation with no need for additional modifications.

What's Included

• One Bilstein B4 OE Replacement Suspension Strut Cartridge per assembly
• Installation hardware and instructions

Ideal For

• Restoring original ride quality on classic Audi 4000 Quattro models
• Replacing worn or damaged suspension components
• Enthusiasts seeking reliable, OE-quality dampers for daily driving or restoration projects
• Maintaining factory handling and safety standards