Monroe 58600 Shock Absorber and Coil Spring Assembly - Rear

Monroe Load Adjusting Shock Absorber 58600

Monroe 58600 is a rear load adjusting shock absorber for light trucks that tow or carry changing cargo loads. It uses a heavy-gauge calibrated spring to add control as road conditions and vehicle weight become more demanding.

Key Features

• Load adjusting shock absorber for rear suspension applications
• Heavy-gauge calibrated spring responds to changing load and road conditions
• Dust shield included with metal construction
• Extended bumper stop included
• Loop bushing and sleeve lower mount with cross pin upper mount
• Compressed length: 16.125 in.; extended length: 26.75 in.; travel length: 10.625 in.

Product Details

This Monroe Load Adjusting Shock Absorber line is built for trucks that see regular towing and hauling duty. Part number 58600 is a rear shock and coil spring assembly that helps maintain more consistent suspension control when the vehicle is loaded, while the calibrated spring adds support as conditions change. It is a direct-fit suspension service part for 1988-2000 Chevrolet C2500 and K2500, 1988-1999 Chevrolet C1500 and K1500, 1988-2000 GMC C2500 and K2500, and 1988-1999 GMC C1500 and K1500 rear applications. This part cross-references Monroe Shocks & Struts (e.g., 43163, 51922) for the same application.

What It Helps Address

• Rear sag when towing trailers or carrying cargo
• Reduced control over rough roads with changing load weight
• Excessive rear suspension movement under demand
• Inconsistent ride height during hauling use
• Wear from repeated towing and hauling cycles

Installation Notes

Verify rear mounting style and suspension configuration before ordering. This Monroe 58600 uses an upper cross pin mount with a closed-ended 5/16 in. hole ID and a lower loop bushing and sleeve mount with a 9/16 in. sleeve ID. It is listed for rear installation on Chevrolet C1500, Chevrolet K1500, Chevrolet C2500, Chevrolet K2500, GMC C1500, GMC K1500, GMC C2500, and GMC K2500 models with the specified towing and suspension notes.

Quality Assurance

Monroe load adjusting shocks are engineered for truck suspension service where load changes matter. The 58600 includes a metal dust shield and an extended bumper stop, and its dimensions and mounting points are specified for the listed rear applications.