Monroe 34854 Shock Absorber - Rear

Monroe Gas-Magnum Rear Shock for Heavy-Duty Trucks

Monroe Gas-Magnum Shock Absorber 34854 is built for midsize and full-size trucks and vans that need firmer rear suspension control without a harsh ride. With increased fluid capacity compared with standard 1-inch bore shocks, this rear shock absorber is engineered to manage heat and deliver more consistent damping on demanding applications.

Key Features

• Gas-Magnum shock absorber for rear suspension use
• Designed for midsize and full-size trucks and vans
• Firm control with a ride quality that stays controlled over rough pavement
• Up to twice the fluid capacity of standard 1-inch bore shocks
• Metal dust shield included for added protection
• Loop bushing upper and lower mounting design
• Extended length: 26.25 in.; compressed length: 15.625 in.; travel length: 10.625 in.

Detailed Description

The Monroe 34854 is a rear suspension shock absorber from the Gas-Magnum line, a product family focused on heavier-duty truck and van applications. Its larger fluid capacity helps the shock work more efficiently with less effort, which is important when controlling rear axle movement on older Dodge trucks such as the Ramcharger, W150, W250, W350, W100, W200, and W300. This part cross-references KYB 344086 for the same application.

Mounting details include an upper loop bushing and sleeve mount with LS39 code and a lower loop bushing mount. The shock uses a metal dust shield and does not include compressed or extended bumper stops. Monroe Gas-Magnum Shock Absorber 34854 is a direct-fit rear shock choice for drivers restoring ride control on classic Dodge truck and van suspension systems.

What It Helps Address

• Excessive rear-end bounce after bumps or dips
• Loose or unsettled rear suspension feel under load
• Reduced damping performance from worn shock absorbers
• Heat buildup that can affect shock consistency during extended use
• Rear ride control concerns on older Dodge Ramcharger and W-series trucks

Installation Notes and Tips

Verify compressed length, extended length, and mounting style before installation. This shock uses loop bushing mounts at both ends, so confirm the sleeve and bushing dimensions match the vehicle’s original hardware. Fitment includes rear applications for 1975-1993 Dodge Ramcharger, W100, W150, W200, W250, W300, and W350 models, with a 1992-1993 W250 exception for vehicles above 8,510 lb GVW.

For best results, inspect related suspension components such as bushings and mounting points before replacing the shock. Monroe 34854 is a rear shock absorber for classic Dodge truck and van applications, including rear suspension service on Dodge W150 and Dodge W250 models.

Quality Assurance

Monroe Gas-Magnum shocks are built for truck and van duty with a design focused on controlled damping and efficient fluid management. Fitment notes for this part list limited lifetime warranty coverage on the applicable shock absorber applications.