Monroe 58636 Shock Absorber and Coil Spring Assembly - Rear

Monroe Load Adjusting Shock Absorber 58636

Monroe 58636 is a rear load adjusting shock absorber for light trucks that tow or carry changing 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 use
• Heavy-gauge calibrated spring responds to changing load and road conditions
• Compressed length: 15.5 in.; extended length: 23.875 in.; travel length: 8.375 in.
• Upper and lower mounting: LS47 loop bushing and sleeve mount with 9/16 in. sleeve ID x 1.5/8 in. sleeve OAL
• Metal dust shield included for added protection
• Extended bumper stop: Yes; compressed bumper stop: No; extended hydraulic lockout: No

Product Details

This Monroe Load Adjusting Shock Absorber line is built for trucks that see variable payloads, helping maintain more consistent rear suspension control when towing or hauling. Monroe 58636 is a direct-fit rear shock for select Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Sierra 1500, GMC Sierra 1500 Classic, and Chevrolet C1500 applications listed below. This part cross-references Monroe Shocks & Struts 43181 for the same application.

Compatible With 1999-2006 Chevrolet Silverado 1500, rear; 2007 Chevrolet Silverado 1500 Classic, rear; 1999-2006 GMC Sierra 1500, rear; 2007 GMC Sierra 1500 Classic, rear; and 2002 Chevrolet C1500, rear. Monroe 58636 is a fitment-specific rear suspension shock absorber for towing and hauling use on these trucks.

Common Problems This Part Helps Address

• Rear suspension sag under cargo or trailer tongue weight
• Reduced control when truck load changes from empty to loaded
• Excessive rear-end bounce over uneven pavement
• Less stable handling during towing and hauling
• Wear from operating a rear shock in demanding load conditions

Installation Notes

Verify rear fitment by year, make, model, and suspension configuration before installation. This shock uses loop bushing and sleeve mounts at both ends, so confirm the LS47 mounting code and sleeve dimensions match the vehicle application. The dust shield is metal, and the extended bumper stop is built in; no compressed bumper stop is listed.

Quality Assurance

Monroe load adjusting shocks are engineered for light truck duty where load conditions change frequently. Monroe 58636 follows the brand’s load-adjusting shock absorber design for rear suspension control on towing and hauling applications.