Bilstein B8 8100 Bypass Rear Shock

Fitment: 2003-2024 Toyota 4Runner

Part #: 25-326369

Overview

The Bilstein B8 8100 Bypass Rear Shock is a high-performance damper designed specifically for light trucks and SUVs like the Toyota 4Runner. Engineered with motorsports-inspired technology, this shock absorber offers precise damping control and enhanced ride quality. It is ideal for off-road enthusiasts, overlanders, and drivers seeking superior handling and comfort during demanding driving conditions. The B8 8100 Bypass features a dual tube externally adjustable bypass design, allowing for fine-tuned rebound and compression adjustments to match your vehicle’s load and terrain. Its robust construction and innovative design help improve stability, control, and durability, making it a reliable upgrade for both daily driving and off-road adventures.

Key Features

This shock absorber combines advanced engineering with practical functionality to deliver a tailored driving experience. Key features include:

• Motorsports-inspired dual tube externally adjustable bypass design
• Incremental Flow bypass adjusters for precise rebound and compression tuning
• Remote reservoir exit port for increased compression control during full cycle
• Heavy-duty construction for durability in challenging conditions
• Designed for light trucks and SUVs, specifically the Toyota 4Runner
• Improves handling, stability, and ride comfort
• Easy to install with direct fitment for specified models

Construction & Design

The Bilstein B8 8100 Bypass Shock features a rugged, corrosion-resistant steel body with a high-quality piston and shaft assembly. Its externally adjustable bypass valves are engineered for precise flow control, enabling fine-tuning of damping characteristics. The remote reservoir design helps dissipate heat effectively, maintaining consistent performance during extended off-road use or heavy loads. The shock’s construction emphasizes durability and performance, ensuring long-lasting reliability in demanding environments.

Driving Feel & Feedback

This shock absorber enhances your vehicle’s response and stability, providing a more controlled and confident driving experience. The adjustable bypass allows you to tailor damping to your specific needs, whether for smooth highway cruising or rugged off-road terrain. Drivers will notice improved handling, reduced body roll, and better absorption of bumps and impacts, resulting in a smoother, more controlled ride.

Installation & Fitment

Installation requires basic mechanical skills and appropriate tools. The B8 8100 Bypass is designed as a direct replacement for the rear shocks on compatible Toyota 4Runner models from 2003 to 2024. Proper fitment should be verified against your vehicle’s specifications and the part number provided.

What’s Included

The package includes one Bilstein B8 8100 Bypass Rear Shock, ready for installation. Hardware and mounting components are integrated into the shock assembly, ensuring a straightforward upgrade process.