Bilstein 25-281804 Suspension Shock Absorber - Rear Left

Bilstein B8 8100 (Bypass) Shock Absorber Overview

The Bilstein B8 8100 (Bypass) shock absorber, part number 25-281804, is engineered for Ram 1500 trucks requiring precise suspension control. Designed with adjustable damping and a monotube internal design, this shock absorber enhances ride quality and handling performance.

• Double adjustable damping for compression and rebound
• Bypass body design (non-coilover) with 60mm diameter
• Monotube internal construction for consistent performance
• Includes remote reservoir for improved heat dissipation
• Zinc plated finish for corrosion resistance
• Lower mount: 14.1mm eye; Upper mount: stem
• Collapsed length: 15.69 inches (398.5 mm); Extended length: 25.82 inches (655.9 mm)

About the B8 8100 (Bypass) Product Line

The B8 8100 (Bypass) series from Bilstein is designed to provide adjustable suspension solutions for trucks and SUVs. This line features bypass body shock absorbers that allow independent tuning of compression and rebound damping. The design improves off-road and on-road handling by enabling drivers to customize suspension response according to driving conditions. The inclusion of a remote reservoir helps maintain consistent damping performance under demanding use.

Detailed Product Description

The Bilstein 25-281804 shock absorber is built with a monotube internal design, which offers superior heat dissipation and consistent damping characteristics compared to twin-tube shocks. Its bypass body design allows for double adjustable damping, giving users control over both compression and rebound settings. This adjustability is critical for Ram 1500 owners who want to fine-tune their suspension for varying loads and terrain. The shock’s zinc plated finish provides corrosion resistance, extending service life. With a 60mm body diameter and remote reservoir, this shock absorber is engineered to handle the demands of heavy-duty use while maintaining ride comfort and vehicle control.

Applications and Problem Solving

• Improves handling and stability for Ram 1500 trucks under load
• Reduces body roll and enhances cornering response
• Minimizes shock fade during extended off-road or towing use
• Allows suspension tuning for different driving conditions
• Replaces worn or damaged factory shocks for restored performance

Installation Notes and Tips

Ensure compatibility with Ram 1500 models before installation. The shock absorber features a 14.1mm eye lower mount and stem upper mount, matching factory mounting points. Measure collapsed and extended lengths to confirm fitment. Adjust damping settings after installation to suit driving preferences and load conditions. Professional installation is recommended for optimal results.

Quality Assurance

Bilstein shock absorbers are manufactured to meet strict quality standards, ensuring durability and consistent performance. The zinc plated finish protects against corrosion, and the monotube design supports long-term reliability. Warranty information should be verified with the manufacturer or authorized distributor.