Monroe 34687 Shock Absorber - Rear

Monroe Gas-Magnum Shock Absorber 34687

Monroe Gas-Magnum shock absorber 34687 is built for rear suspension control on heavy-duty trucks and vans. It is designed to deliver firm damping without creating a harsh ride, with added fluid capacity that helps the shock work more efficiently under load.

Key Features

• Gas-Magnum shock absorber for rear suspension applications
• Designed for midsize and full-size trucks and vans
• Up to twice the fluid capacity of standard 1-inch bore shocks
• Metal dust shield included for added protection
• Loop bushing upper mount and loop bushing & sleeve lower mount
• Extended length: 31 inches; compressed length: 18 inches; travel length: 13 inches

Product Details

The Monroe Gas-Magnum line is aimed at truck and van suspension service where consistent control matters. Part number 34687 uses a rear shock absorber design with a metal dust shield, a 5/8-inch bushing ID upper loop mount, and a lower loop bushing & sleeve mount with a 12 mm sleeve ID. This setup supports direct replacement service on Ford Super Duty rear applications, including Ford F-250 Super Duty and Ford F-350 Super Duty models listed below. This part cross-references KYB 344419 for the same application.

What It Helps Address

• Excessive rear-end bounce after bumps or dips
• Reduced control when carrying cargo or towing
• Worn or leaking rear shock absorber replacement needs
• Unstable ride quality on Ford F-250 Super Duty and Ford F-350 Super Duty trucks
• Suspension noise or poor damping from aging rear shocks

Installation Notes and Tips

• Fits 1999-2004 Ford F-250 Super Duty, rear
• Fits 1999-2004 Ford F-350 Super Duty, rear
• Fits 2005-2007 Ford F-350 Super Duty, rear, with Single Rear Wheels (SRW)
• Fits 2008-2016 Ford F-350 Super Duty, rear
• Verify mount style, sleeve dimensions, and shock length before installation

Quality Assurance

Monroe backs this Gas-Magnum shock absorber with a limited lifetime warranty on the listed applications. Monroe 34687 is engineered for rear suspension service where controlled damping and durable construction are important.