Bilstein 25-287820 Suspension Shock Absorber - Rear Left

Bilstein B8 8100 (Bypass) Shock Absorber Overview

The Bilstein B8 8100 (Bypass) suspension shock absorber is engineered for Jeep Wrangler owners seeking precise control and enhanced ride quality. Designed with adjustable damping and a bypass body, this shock absorber offers tailored performance for off-road and on-road conditions.

• Double adjustable damping for compression and rebound
• Bypass body design (non-coilover) with 60mm internal diameter
• Monotube internal design for consistent performance
• Includes remote reservoir for improved heat dissipation
• Zinc plated finish for corrosion resistance
• Eye-type upper and lower mounts (12.8mm)
• Collapsed length: 19.49 inches (495 mm); Extended length: 32.01 inches (813 mm)

Detailed Features and Specifications

The Bilstein B8 8100 (Bypass) shock absorber, part number 25-287820, features a monotube internal design that ensures consistent damping performance under demanding conditions. Its bypass body design allows for fine-tuning of both compression and rebound damping independently, providing Jeep Wrangler drivers with the ability to customize their suspension response. The 60mm body diameter and integrated remote reservoir help manage heat buildup during extended use, maintaining shock efficiency. The zinc plated finish offers protection against corrosion, extending the service life of the shock absorber. Both upper and lower mounts use 12.8mm eyelets, compatible with standard Jeep Wrangler suspension setups.

About the B8 8100 (Bypass) Product Line

The B8 8100 (Bypass) series from Bilstein is designed for drivers who require adjustable suspension components without the complexity of coilover systems. This line focuses on bypass shock absorbers that provide separate adjustment for compression and rebound damping, allowing for precise tuning to match various driving conditions. The inclusion of a remote reservoir in this series enhances thermal management, making it suitable for off-road enthusiasts and those who demand consistent performance from their Jeep Wrangler suspension.

Applications and Problem Solving

• Improves handling and stability on uneven terrain
• Reduces body roll and enhances cornering control
• Minimizes shock fade during extended off-road use
• Allows customization of ride comfort and responsiveness
• Replaces worn or damaged factory shocks for restored performance

Installation Notes and Tips

When installing the Bilstein 25-287820 shock absorber on a Jeep Wrangler, ensure compatibility with your vehicle’s suspension setup, particularly the eyelet mount sizes. Proper torque specifications should be followed to avoid mounting issues. Since this shock absorber does not include a protective boot, consider additional protection if operating in environments with excessive debris. Adjust damping settings incrementally to find the optimal balance between comfort and control.

Quality Assurance and Warranty

Bilstein shock absorbers are manufactured to meet strict quality standards, utilizing durable materials and advanced engineering. The zinc plated finish provides corrosion resistance for extended durability. While specific warranty details for part number 25-287820 are not provided here, Bilstein typically offers limited warranties covering defects in materials and workmanship. Consult official Bilstein documentation or authorized sources for exact warranty terms.