Bilstein 25-312027 Suspension Shock Absorber - Front

Bilstein B8 5160 Shock Absorber Overview

The Bilstein B8 5160 shock absorber (part number 25-312027) is engineered for heavy-duty suspension performance on Chevrolet and GMC trucks. Designed specifically for models like the Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD, this shock absorber delivers consistent damping and durability for demanding driving conditions.

• Monotube internal design for improved heat dissipation and consistent performance
• Non-adjustable damping for reliable, maintenance-free operation
• Includes a remote reservoir to enhance fluid capacity and reduce fade
• Zinc plated finish for corrosion resistance
• Clevis lower mount and bar pin upper mount for secure fitment
• Collapsed length: 15.53 inches (394.5 mm); Extended length: 24.34 inches (618.2 mm)
• Stroke length of 8.69 inches (220.7 mm) for optimal suspension travel
• 46mm piston diameter and 14mm shaft diameter for robust construction
• Smooth body design (non-coilover) tailored for light truck applications

About the Bilstein B8 5160 Product Line

The B8 5160 series from Bilstein is designed to meet the needs of light trucks requiring enhanced suspension performance without coilover setups. This product line features monotube shocks with remote reservoirs, providing increased fluid volume and improved heat management. The B8 5160 shocks are built to handle heavy loads and off-road conditions, making them suitable for Chevrolet Silverado and GMC Sierra HD models that demand durability and consistent damping.

Detailed Product Description

The Bilstein 25-312027 shock absorber utilizes a monotube internal design, which allows for better heat dissipation compared to twin-tube shocks. This design helps maintain consistent damping performance during extended use. The shock features a zinc plated finish to resist corrosion, extending the service life in harsh environments. Its non-adjustable damping setup ensures reliable, maintenance-free operation, while the included remote reservoir increases fluid capacity to reduce shock fade under heavy loads or rough terrain. The clevis lower mount and bar pin upper mount provide secure and precise fitment on compatible Chevrolet and GMC heavy-duty trucks.

Applications and Problem Solving

• Improves suspension control and stability on Chevrolet Silverado 2500 HD and 3500 HD trucks
• Reduces shock fade during heavy towing or hauling on GMC Sierra 2500 HD and 3500 HD
• Enhances ride quality over rough or uneven terrain
• Replaces worn or damaged factory shocks to restore suspension performance
• Supports off-road driving demands with increased fluid capacity and heat management

Installation Notes and Tips

Ensure compatibility with your Chevrolet Silverado or GMC Sierra HD model before installation. The shock absorber features a clevis lower mount and bar pin upper mount, so verify that mounting points match your vehicle’s suspension. No spring seat or boot is included, so retain or replace these components as needed. Proper torque specifications should be followed during installation to maintain safety and performance.

Quality Assurance

Bilstein shock absorbers are manufactured to meet strict quality standards, ensuring durability and consistent performance. The B8 5160 series is designed for heavy-duty use, backed by Bilstein’s engineering expertise. Warranty information is available through Bilstein and should be confirmed at the time of purchase.