Bilstein 25-311914 Suspension Shock Absorber - Rear

Bilstein B8 5160 Rear Shock for Ram 2500

The Bilstein B8 5160 remote reservoir shock absorber is a direct-fit suspension upgrade for lifted trucks and SUVs that need more control under load and on rough terrain. This rear shock for the 2014-2025 Ram 2500 uses a monotube design, a 46mm piston, and a remote reservoir to improve cooling and maintain consistent damping performance.

Key Features

• Fits 2014-2025 Ram 2500, rear, without air leveling suspension
• Bilstein B8 5160 series remote reservoir design
• Monotube internal design for consistent fade-resistant performance
• Velocity-sensitive digressive valving tuned for the application
• Remote reservoir increases cooling capacity and wheel travel
• 46mm piston and 14mm shaft for durable suspension control
• Zinc-plated finish with black bellows boot
• Billet reservoir clamp included
• Lower mount: eye 14.4mm; upper mount: stem

Product Details

Bilstein B8 5160 shocks are built for lifted truck use where heat management, suspension travel, and repeatable damping matter. The remote reservoir helps the shock handle extended off-road driving and heavy-duty use, while the monotube construction supports stable response over changing terrain. Part number 25-311914 is engineered for the rear position on Ram 2500 models equipped without air leveling suspension, making it a direct-fit option for owners looking to restore or improve rear suspension control.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. Bilstein B8 5160 part number 25-311914 is part of the brand’s truck-focused shock line, built for applications that demand more cooling capacity and wheel travel than a standard shock absorber.

Common Uses

• Rear-end bounce or instability on a Ram 2500
• Excess heat buildup during off-road or heavy-duty driving
• Reduced damping consistency on rough roads
• Need for improved wheel travel on lifted suspension setups
• Worn rear shock absorber replacement on 2014-2025 Ram 2500 trucks

Installation Notes

Verify rear fitment before ordering: Fits 2014-2025 Ram 2500, rear, without air leveling suspension. Confirm the eye-to-stem mounting style, collapsed length of 16.42 inches, extended length of 25.08 inches, and stroke length of 8.54 inches against the vehicle’s suspension setup. The reservoir uses a 360-degree swivel banjo hose fitting for a cleaner installation layout.

Quality Assurance

Bilstein designs the B8 5160 series for consistent performance in demanding truck and SUV applications. Part number 25-311914 uses a monotube construction, zinc-plated finish, and application-specific valving to support durability and controlled damping in harsh environments.