Bilstein 25-311815 B8 5160 Front Shock for 05-25 Ford F-250/F-350 Super Duty 4WD

Vehicle Fitment

• 2005-2025 Ford F-250 Super Duty (4WD, All Cabs, SRW/DRW, Gas and Diesel)
• 2005-2025 Ford F-350 Super Duty (4WD, All Cabs, SRW/DRW, Gas and Diesel)

Fitment Notes

• 4WD models only - does not fit 2WD applications
• Front position only
• Designed for vehicles with 4-6 inches of front suspension lift installed
• A front suspension lift kit (coil spacer, leveling kit, or full lift kit) must be present before installation - this shock does not lift the vehicle on its own
• Fits both Single Rear Wheel (SRW) and Dual Rear Wheel (DRW) configurations
• Compatible with gas and diesel engine variants (6.0L Power Stroke, 6.4L Power Stroke, 6.7L Power Stroke, 6.2L V8, 7.3L V8, 7.3L Power Stroke)
• Optional billet aluminum reservoir clamp (Bilstein #11176015) available separately for a cleaner install

Features

• Bilstein B8 5160 Series remote reservoir monotube shock absorber engineered specifically for lifted off-road trucks and SUVs
• External remote reservoir dramatically increases oil volume, improving heat dissipation and sustaining consistent damping performance during extended off-road use
• 46mm monotube body delivers fade-free, precise damping in all conditions - on-road and off
• Velocity-sensitive digressive valving system instantly produces full damping capability and reacts immediately to changing terrain and surface inputs
• Self-adjusting deflective disc valving provides maximum vehicle control by responding to road surface changes in real time
• Floating dividing piston is located inside the reservoir, keeping gas and oil completely separated for zero aeration and consistent feel
• 360-degree swivel banjo hose fitting enables clean, low-profile reservoir routing for a factory-finished appearance
• Bilstein Triple-C Technology zinc-plated finish protects against rust, corrosion, and harsh off-road environments
• Direct bolt-on installation using factory mounting locations - no cutting, welding, or fabrication required
• Made in the USA
• Backed by Bilstein's Limited Lifetime Warranty for gas pressure shock absorbers

Specifications

• Part Number: 25-311815
• Series: B8 5160
• Position: Front
• Shock Body Diameter: 46mm Monotube
• Reservoir Type: External Remote Reservoir
• Hose Fitting: 360-Degree Swivel Banjo
• Finish: Zinc Plated (Triple-C Technology)
• Lift Range: 4-6 inches (front)
• Drivetrain: 4WD Only
• Quantity: 1 shock absorber per package
• Warranty: Limited Lifetime (gas pressure shock)
• UPC: 651860901602

Included Components

• 1x Bilstein B8 5160 Front Shock Absorber (25-311815)
• 1x Reservoir Mounting Kit (brackets and hardware)
• 1x Detailed Installation Instructions

Product Description

The Bilstein 25-311815 B8 5160 Series Front Shock Absorber is purpose-built for 2005-2025 Ford F-250 and F-350 Super Duty trucks running 4-6 inches of front suspension lift on 4WD configurations. Whether your rig is equipped with a leveling kit, coil spacers, or a full lift system, this shock delivers the correct valving and length to properly support your lifted suspension and restore the ride quality and control your truck deserves. Unlike conventional shock upgrades, the B8 5160 incorporates an external remote reservoir that significantly expands oil capacity - giving the shock greater thermal headroom during sustained off-road use and preventing the fade and inconsistency that plagues standard units under aggressive driving conditions.

At the core of the 25-311815 is Bilstein's proven 46mm monotube design, which houses a floating dividing piston that keeps oil and gas completely separated at all times. This separation eliminates aeration and ensures the shock responds predictably every time. The velocity-sensitive digressive valving system is custom-tuned for this specific Super Duty application, delivering full damping force instantly while maintaining bump compliance for a composed on-road ride. The 360-degree swivel banjo hose fitting allows the reservoir hose to be routed cleanly in any direction, and the included mounting kit ensures the reservoir can be securely positioned for a professional-looking installation. The zinc-plated finish - applied using Bilstein's Triple-C Technology - protects the shock body from corrosion and road debris season after season.

This shock is sold individually and installs directly onto factory mounting points with no modification required, making it an excellent choice for enthusiasts who want race-proven suspension technology in a bolt-on format. It fits all cab styles, both Single and Dual Rear Wheel configurations, and is compatible across gas and diesel powertrain variants throughout the 2005-2025 Super Duty generation. Bilstein backs this shock with a Limited Lifetime Warranty for added peace of mind. For a complete front-and-rear lifted setup, this shock is also available as part of Bilstein's full 5160 Series kit configurations for the Super Duty platform.