Bilstein B8 8100 (Bypass) Shock Absorber

Fits 2003–2020 Toyota 4Runner Rear Right

Part #: 25-284591

Overview

The Bilstein B8 8100 (Bypass) is a high-performance, position-sensitive shock absorber designed specifically for light trucks and SUVs like the Toyota 4Runner. Engineered with motorsports-inspired technology, this monotube shock features a dual tube externally adjustable bypass system that allows for precise tuning of rebound and compression damping. Its robust construction and advanced design help improve vehicle handling, ride quality, and stability, especially in demanding off-road or performance driving conditions. Whether you're upgrading for enhanced control or customizing your suspension setup, this shock absorber provides reliable, adjustable damping support to meet your driving needs.

Key Features

Designed for serious off-road and performance applications, the Bilstein B8 8100 (Bypass) offers several key benefits:

• Externally adjustable bypass valves for fine-tuning rebound and compression damping
• Incremental flow bypass adjusters for precise control over shock response
• Remote reservoir with bottom hose for increased heat dissipation and durability
• Monotube design for consistent performance and responsiveness
• Heavy-duty construction built to withstand rugged conditions
• Position-sensitive damping tailored to vehicle load and terrain
• Optimized for light trucks and SUVs, enhancing handling and ride comfort

Construction & Design

The B8 8100 (Bypass) features a durable monotube construction with a remote reservoir that improves heat management and shock longevity. Its externally adjustable bypass system is engineered with precision-machined components and high-quality materials to ensure consistent performance and easy tuning. The shock's design supports a wide range of suspension setups, making it ideal for off-road enthusiasts and performance drivers seeking customizable damping control.

Driving Feel & Feedback

This shock absorber enhances your vehicle's handling by providing adjustable damping that responds accurately to terrain and driving style. The external bypass adjusters allow you to tailor the ride for comfort or performance, delivering a more controlled and confident driving experience across various conditions.

Installation & Fitment

Installation requires standard suspension tools and procedures, with the shock designed as a direct replacement for the rear right position on compatible Toyota 4Runners. Proper setup and tuning can maximize the benefits of the adjustable bypass system.

What’s Included

The package includes the Bilstein B8 8100 (Bypass) shock absorber, ready for installation and adjustment to suit your driving preferences.