Bilstein 25-311815 Suspension Shock Absorber - Front

Bilstein B8 5160 Shock Absorber Overview

The Bilstein B8 5160 suspension shock absorber (part number 25-311815) is engineered for Ford F-250 Super Duty and F-350 Super Duty trucks. Designed to enhance ride quality and vehicle control, this monotube shock absorber features a smooth body design and a remote reservoir for improved heat dissipation.

• Non-adjustable damping for consistent performance
• Billet reservoir clamp included for secure mounting
• Monotube internal design for reliable shock absorption
• Zinc plated finish for corrosion resistance
• Compatible with Ford F-250 Super Duty and F-350 Super Duty models
• Collapsed length: 15.96 inches (405.4 mm)
• Extended length: 25.75 inches (654.0 mm)
• Stroke length: 9.79 inches (248.7 mm)
• Lower mount type: Eye 14.4mm; Upper mount type: Stem
• 46mm piston diameter and 14mm shaft diameter

About the Bilstein B8 5160 Product Line

The B8 5160 series from Bilstein is designed specifically for light trucks requiring enhanced suspension travel and durability. This product line incorporates a monotube design with a remote reservoir, which helps maintain consistent damping performance under demanding conditions. The B8 5160 shocks are built to handle heavier loads and rough terrain, making them suitable for Ford Super Duty trucks like the F-250 and F-350.

Detailed Product Description

The Bilstein 25-311815 shock absorber features a smooth body design that is non-coilover, providing a clean installation profile. Its monotube internal design ensures efficient heat dissipation and consistent damping response. The included billet reservoir clamp secures the remote reservoir, which increases oil capacity and reduces shock fade during extended use. With a zinc plated finish, this shock absorber offers resistance against corrosion, extending its service life. The shock’s dimensions, including a collapsed length of 15.96 inches and an extended length of 25.75 inches, provide ample suspension travel of 9.79 inches, suitable for the demands of Ford F-250 Super Duty and F-350 Super Duty trucks.

Common Applications and Problem Solving

• Improves handling and stability on rough or uneven terrain
• Reduces shock fade during heavy towing or hauling
• Enhances ride comfort by absorbing road impacts
• Addresses premature wear of factory shocks under load
• Maintains consistent damping performance in off-road conditions

Installation Notes and Tips

Installation of the Bilstein 25-311815 shock absorber requires compatibility with Ford F-250 Super Duty and F-350 Super Duty models. The shock features an eye lower mount (14.4mm) and a stem upper mount, so ensure mounting points match these specifications. The included billet reservoir clamp should be securely fastened to prevent movement of the remote reservoir during operation. No boot or spring seat is included, so verify compatibility with existing suspension components before installation.

Quality Assurance and Warranty

Bilstein shock absorbers are manufactured to meet strict quality standards, utilizing durable materials and precision engineering. The zinc plated finish provides corrosion resistance to extend product life. While specific warranty details for part number 25-311815 are not provided here, Bilstein typically offers limited warranties on their suspension products. Consult official Bilstein documentation or authorized dealers for exact warranty terms.