Bilstein 25-294118 Suspension Shock Absorber - Rear Left

Bilstein B8 8100 Shock Absorber for Toyota Tundra

The Bilstein B8 8100 shock absorber (part number 25-294118) is engineered to provide reliable suspension performance for Toyota Tundra trucks. Designed with a monotube internal structure and a smooth body, this shock absorber delivers consistent damping without adjustability, suitable for light truck applications.

Key Features of Bilstein 25-294118 Shock Absorber

• Non-adjustable damping for consistent ride quality
• Monotube internal design for efficient heat dissipation
• Smooth body design (non-coilover) with Evo grey finish
• Includes a reservoir to enhance shock performance
• Collapsed length: 15.63 inches (397 mm), extended length: 25.12 inches (638 mm)
• Lower mount type: Eye 12.4mm; Upper mount type: Stem
• Piston diameter: 60mm; Shaft diameter: 18mm
• Compatible with Toyota Tundra light trucks

About the Bilstein B8 8100 Product Line

The B8 8100 series from Bilstein is designed specifically for light trucks and SUVs, focusing on improved handling and durability over stock suspension components. This product line features monotube shock absorbers with a smooth body design and integrated reservoirs, providing enhanced heat management and consistent damping performance under demanding conditions. The B8 8100 shocks are engineered to maintain factory ride height and improve vehicle control, making them suitable for Toyota Tundra owners seeking a balance between comfort and performance.

Detailed Product Description

The Bilstein 25-294118 shock absorber utilizes a monotube internal design that allows for better heat dissipation compared to twin-tube shocks, reducing fade during extended use. Its smooth body construction is non-coilover, which means it is designed to work with existing springs without modification. The shock features a durable Evo grey finish that resists corrosion and wear. With a piston diameter of 60mm and a shaft diameter of 18mm, this shock absorber is built to handle the weight and demands of light truck applications. The integrated reservoir helps maintain consistent damping by managing fluid and gas pressure effectively. The mounting configuration includes a 12.4mm eye lower mount and a stem upper mount, ensuring proper fitment on Toyota Tundra models.

Common Applications and Issues Addressed

• Restores suspension performance on Toyota Tundra trucks with worn or damaged shocks
• Reduces excessive body roll and improves vehicle stability
• Minimizes shock fade during heavy-duty or off-road use
• Maintains factory ride height and handling characteristics
• Improves overall ride comfort and control on rough terrain

Installation Notes and Tips

Installation of the Bilstein 25-294118 shock absorber requires standard suspension tools and mechanical knowledge. Ensure the vehicle is securely lifted and supported before removing old shocks. Verify the collapsed and extended lengths match the original equipment to confirm fitment. Since this shock is non-adjustable and does not include a spring seat or boot, no additional components are necessary for installation. It is recommended to replace shocks in pairs to maintain balanced suspension performance.

Quality Assurance and Warranty

Bilstein shock absorbers are manufactured to meet strict quality standards, ensuring durability and consistent performance. The B8 8100 series undergoes rigorous testing to comply with OEM specifications for light truck applications. While specific warranty details for part number 25-294118 should be confirmed with the manufacturer or distributor, Bilstein typically offers limited warranties covering defects in materials and workmanship.