Bilstein 25-288162 Suspension Shock Absorber - Rear Right

Bilstein B8 8100 (Bypass) Shock Absorber Overview

The Bilstein B8 8100 (Bypass) shock absorber, part number 25-288162, is engineered for Toyota FJ Cruiser owners seeking precise suspension control. Designed with a monotube internal structure and bypass body, this shock absorber offers adjustable damping for both compression and rebound, enhancing ride quality and handling.

• Double adjustable damping: compression and rebound
• Bypass body design (non-coilover)
• Monotube internal design for consistent performance
• Includes remote reservoir for improved heat dissipation
• Collapsed length: 14.72 inches (374 mm)
• Extended length: 24.09 inches (612 mm)
• 60mm piston diameter and 18mm shaft diameter
• Eye lower mount (19.25mm) and stem upper mount
• Evo grey finish for durability and corrosion resistance

About the B8 8100 (Bypass) Product Line

The B8 8100 (Bypass) series by Bilstein is designed specifically for light trucks and off-road vehicles like the Toyota FJ Cruiser. This line features a bypass body design that allows for fine-tuning of both compression and rebound damping independently. The inclusion of a remote reservoir helps manage heat buildup during demanding driving conditions, maintaining consistent shock performance over extended use.

Detailed Product Description

This Bilstein shock absorber utilizes a monotube design that provides efficient heat dissipation and consistent damping characteristics. The double adjustable damping system allows drivers to customize the compression and rebound settings to match their driving style and terrain. The bypass body design, distinct from coilover shocks, offers enhanced control over suspension travel and response. With a collapsed length of 14.72 inches and an extended length of 24.09 inches, this shock absorber fits the Toyota FJ Cruiser suspension geometry precisely. The 60mm piston diameter and 18mm shaft diameter contribute to stable and reliable shock absorption, while the eye lower mount and stem upper mount ensure secure installation.

Applications and Problem Solving

• Improves handling and stability on rough or uneven terrain
• Reduces suspension fade during extended off-road use
• Allows fine-tuning of ride comfort and vehicle control
• Addresses excessive body roll and harsh rebound
• Enhances suspension response for light truck applications

Installation Notes and Tips

Compatible with Toyota FJ Cruiser models, this shock absorber requires proper alignment of the eye lower mount and stem upper mount during installation. Ensure the shock is adjusted to factory or desired settings before installation to avoid unnecessary trial and error. Since the product does not include a spring seat or boot, verify compatibility with existing suspension components. Professional installation is recommended to maintain suspension integrity and performance.

Quality Assurance and Warranty

Bilstein shock absorbers are manufactured to meet strict quality standards, ensuring durability and consistent performance. The B8 8100 (Bypass) shock absorber features a robust monotube design and corrosion-resistant Evo grey finish. Warranty details should be confirmed with the manufacturer or authorized distributor.