Bilstein 25-311839 Suspension Shock Absorber - Front

Overview of Bilstein B8 5160 Shock Absorber

The Bilstein B8 5160 shock absorber (part number 25-311839) is engineered for heavy-duty Chevrolet and GMC trucks, including Silverado and Sierra HD models. Designed to enhance suspension performance, this monotube shock absorber offers reliable damping without adjustability, suitable for light truck applications.

• Non-adjustable damping for consistent performance
• Monotube internal design for improved heat dissipation
• Includes a remote reservoir for enhanced fluid capacity
• Zinc plated finish for corrosion resistance
• Compatible with Chevrolet Silverado and GMC Sierra HD series
• Collapsed length: 13.48 inches (342.5 mm)
• Extended length: 22.51 inches (571.7 mm)
• Stroke length: 9.03 inches (229.4 mm)
• Lower mount: 14.1 mm eye; Upper mount: stem
• 46 mm piston diameter and 14 mm shaft diameter

Detailed Product Description

The Bilstein B8 5160 series is designed specifically for light trucks requiring robust suspension components capable of handling heavy loads and off-road conditions. This shock absorber features a monotube internal design, which allows for better heat dissipation and consistent damping performance over extended use. The inclusion of a remote reservoir increases fluid volume, reducing shock fade during demanding driving scenarios. The smooth body design (non-coilover) and zinc plated finish provide durability and corrosion resistance, essential for trucks exposed to harsh environments.

With a collapsed length of 13.48 inches and an extended length of 22.51 inches, this shock absorber offers a stroke travel of 9.03 inches, suitable for the suspension travel requirements of Chevrolet Silverado 1500 HD, 2500, 3500, and GMC Sierra 1500 HD, 2500 HD, 3500 HD models. The lower mount features a 14.1 mm eye, while the upper mount uses a stem design, ensuring proper fitment and secure installation.

About the Bilstein B8 5160 Product Line

The B8 5160 series from Bilstein is tailored for light trucks and heavy-duty applications, focusing on enhanced suspension travel and durability. This product line incorporates monotube technology with remote reservoirs to improve shock fluid capacity and cooling, which is critical for trucks used in towing, hauling, and off-road conditions. The B8 5160 shocks are engineered to provide consistent damping without the need for adjustment, making them a reliable choice for Chevrolet Silverado and GMC Sierra HD trucks requiring upgraded suspension components.

Common Applications and Problem Solving

• Improves handling and stability under heavy load conditions
• Reduces shock fade during extended off-road or towing use
• Addresses suspension wear and tear on Chevrolet Silverado and GMC Sierra HD trucks
• Enhances ride quality by maintaining consistent damping performance
• Replaces worn or damaged factory shocks for improved suspension response

Installation Notes and Tips

• Compatible with Chevrolet Silverado 1500 HD, 2500, 3500 and GMC Sierra 1500 HD, 2500 HD, 3500 HD models
• Verify shock length and mount types before installation
• Use proper tools to avoid damage to mounts and shock body
• Ensure vehicle is securely lifted and supported during installation
• Check for any suspension component wear that may affect shock performance

Quality Assurance

Bilstein shock absorbers are manufactured to meet strict quality standards, featuring durable materials and precision engineering. The B8 5160 series is built to withstand demanding conditions typical of heavy-duty Chevrolet and GMC trucks. While specific warranty details are not provided here, Bilstein products generally come with manufacturer-backed warranties to ensure reliability and customer confidence.