Bilstein 5100 Series (B8 5125) Front Shock Absorber – 33-104645

Upgrade the ride and control of your lifted Powerstroke Super Duty with the Bilstein 5100 Series shock absorber (part #33-104645). Built specifically for 4–6" front-lifted applications that use dual-shock kits, this high-pressure monotube shock delivers consistent, fade-free damping for heavy towing, daily driving, and occasional off-road use.

Key Benefits for Your Powerstroke

• Superior control with larger tires and increased ride height
• Reduced body roll and improved stability when loaded or unloaded
• Cooler-running monotube design that resists fade under demanding conditions
• Smooth, controlled street manners with confident response over rough roads and trails

Features

• 46 mm digressive piston with self-adjusting deflective disc valving
• High-pressure monotube construction for consistent performance
• Zinc-plated body for corrosion resistance
• Smooth-body design (non-coilover)
• Eye-to-eye mounting with 5/8" hourglass bushings
• Black bellows dust boot included
• Vehicle-tuned valving for lifted Super Duty applications

Vehicle Fitment

• 1999–2004 Ford F-250 Super Duty 4WD
• 1999–2004 Ford F-350 Super Duty 4WD
• 2000–2005 Ford Excursion 4WD

Position: Front
Lift Range: 4–6" (use with dual/double shock kit)
Sold individually — most dual-shock front setups require four shocks per vehicle.

Technical Specifications

• Collapsed length: 15.91"
• Extended length: 25.91"
• Travel: approximately 10.01"
• Piston diameter: 46 mm
• Body diameter (OD): 2.0"
• Mount type: Eye-to-Eye (5/8")
• Finish: Zinc plated
• Reservoir: None

Notes: Always verify shock length against your specific lift kit and measure eye-to-eye (center of eye to center of eye) for proper fitment. Lift height recommendations are guidelines—aftermarket suspension variations can affect required length.

Experience the difference Bilstein’s proven monotube technology makes on your Powerstroke.