Bilstein 25-311808 B8 5160 Rear Shock for 2017-25 Ford F-250/F-350 4WD

Vehicle Fitment

• 2017-2025 Ford F-250 Super Duty (XL, XLT, Lariat, King Ranch, Platinum; 4WD; Rear)
• 2017-2025 Ford F-350 Super Duty (XL, XLT, Lariat, King Ranch, Platinum; 4WD; Rear)

Features

• Bilstein B8 5160 Series remote reservoir rear shock absorber
• Monotube gas-pressurized design for consistent performance
• Remote reservoir increases oil capacity for enhanced heat dissipation
• 46 mm piston diameter with digressive valving tuned for lifted rear suspension
• 360° swivel banjo hose fitting for flexible, clean installation
• Zinc-plated corrosion-resistant finish for durability
• Improved wheel travel and control over OE rear shocks
• Direct-fit replacement for lifted trucks - no modifications required

Specifications

• Brand: Bilstein
• Part Number: 25-311808
• Series: B8 5160
• Position: Rear (Left/Right)
• Internal Design: Monotube gas-pressurized
• Body Diameter: 2.0 in (46 mm)
• Collapsed Length: 18.50 in (470 mm)
• Extended Length: 31.76 in (806.7 mm)
• Reservoir: Yes (remote)
• Upper Mount Type: Eyelet
• Lower Mount Type: Eyelet
• Adjustable Damping: No (application-specific tuning)
• Recommended Lift Range: 0-3" Rear
• Finish: Zinc plated

Included Components

• 1x Bilstein B8 5160 Series Remote Reservoir Rear Shock Absorber (25-311808)
• Billet reservoir clamp and swivel banjo hose fitting

Product Description

The Bilstein 25-311808 B8 5160 Series Rear Shock Absorber is engineered as a high-performance suspension upgrade for **2017-2025 Ford F-250 and F-350 Super Duty 4WD trucks**. Featuring a remote reservoir and monotube gas-pressurized design, this shock provides improved heat dissipation, enhanced wheel travel, and superior damping control over OE shocks - especially in lifted rear suspension setups with up to approximately **3" of rear lift**.

Built with a durable zinc-plated finish and velocity-sensitive digressive valving tuned specifically for heavy-duty truck rear dynamics, the 25-311808 delivers confident handling whether on-road or off-road. The 360° swivel banjo hose fitting and included billet reservoir clamp allow for a clean installation using factory mounting points. Ideal for Super Duty owners seeking reliable, fade-free performance and enhanced suspension control in lifted applications.