Bilstein 24-328258 Suspension Shock Absorber - Front

Bilstein B8 5100 Shock Absorber Overview

The Bilstein B8 5100 (Ride Height Adjustable) shock absorber, part number 24-328258, is engineered for Lexus and Toyota light trucks including the 4Runner, FJ Cruiser, and GX460. Designed to enhance suspension performance, this monotube shock absorber offers reliable ride height adjustment and durability for off-road and on-road conditions.

• Monotube internal design for consistent damping
• Snap ring grooved body compatible with coilover springs
• Ride height adjustable with included spring seat
• Zinc plated finish for corrosion resistance
• Black straight boot included for shaft protection
• Lower eye mount (14.2mm) and upper stem mount
• Stroke length of 4.81 inches (122.2 mm)
• Collapsed length: 17.50 inches (444.6 mm), extended length: 22.31 inches (566.8 mm)
• 46mm piston diameter and 14mm shaft diameter

About the B8 5100 (Ride Height Adjustable) Series

The B8 5100 (Ride Height Adjustable) series by Bilstein is designed specifically for light trucks and SUVs requiring adjustable ride height without sacrificing shock performance. This series features a monotube design and a snap ring grooved body that allows for easy spring seat adjustment, making it suitable for vehicles like the Toyota 4Runner, FJ Cruiser, and Lexus GX460. The shocks provide improved handling and load capacity while maintaining factory ride quality.

Product Details and Specifications

This Bilstein shock absorber features a monotube internal design that ensures consistent damping and heat dissipation. The zinc plated finish protects against corrosion, extending the service life of the shock. The included black straight boot safeguards the 14mm diameter shaft from dirt and debris. With a stroke length of 4.81 inches and a piston diameter of 46mm, this shock absorber is built to handle the demands of light truck suspension systems. The lower mount is an eye type with a 14.2mm diameter, while the upper mount is a stem type, compatible with OEM mounting points.

Applications and Problem Solving

• Restores proper ride height and suspension travel on lifted or leveled Lexus GX460, Toyota 4Runner, and FJ Cruiser
• Improves handling and stability on uneven terrain
• Reduces bottoming out and harsh impacts during off-road driving
• Replaces worn or damaged shocks to maintain vehicle safety and comfort
• Supports heavier loads without compromising ride quality

Installation Notes and Tips

Installation of the Bilstein 24-328258 shock absorber requires compatible coilover springs due to the snap ring grooved body design. Ensure the spring seat is properly adjusted to achieve the desired ride height. Verify that the upper stem and lower eye mounts align with the vehicle’s mounting points. It is recommended to inspect all suspension components during installation and replace any worn bushings or mounts to ensure optimal performance.

Quality Assurance and Warranty

Bilstein shock absorbers are manufactured to meet strict quality standards with durable materials and precision engineering. The B8 5100 (Ride Height Adjustable) series is designed for long-lasting performance under demanding conditions. Warranty information is available from Bilstein and should be confirmed at the time of purchase.