Monroe 58637 Shock Absorber and Coil Spring Assembly - Rear

Overview of Monroe Load Adjusting Shock Absorber 58637

The Monroe Load Adjusting Shock Absorber part number 58637 is designed specifically for Chevrolet and GMC trucks, including the Sierra 1500, Sierra 1500 Classic, Silverado 1500, and Silverado 1500 Classic models. This suspension shock absorber and coil spring assembly provides reliable load handling and improved ride control for these vehicles.

• Compressed length: 16.875 inches
• Extended length: 25.75 inches
• Travel length: 8.875 inches
• Includes metal dust shield for enhanced protection
• Upper and lower mounting type: Loop bushing & sleeve mount (9/16" sleeve ID x 1.5/8" sleeve OAL)
• Extended bumper stop included, no compressed bumper stop

Monroe Load Adjusting Shock Absorber Product Line

The Load Adjusting Shock Absorber line by Monroe is engineered to provide consistent damping performance under varying load conditions. This product line is designed to automatically adjust to changes in vehicle load, helping maintain optimal ride height and handling characteristics. The 58637 shock absorber assembly fits within this line, offering a balance of durability and load-responsive suspension control for Chevrolet and GMC full-size pickups.

Detailed Product Description

The Monroe 58637 shock absorber and coil spring assembly features a compressed length of 16.875 inches and an extended length of 25.75 inches, allowing for a travel length of 8.875 inches. It is equipped with a metal dust shield to protect internal components from dirt and debris, extending the service life of the shock. The assembly includes an extended bumper stop but does not have a compressed bumper stop or extended hydraulic lockout. Both upper and lower mounts use loop bushing and sleeve mounts with precise dimensions (9/16" sleeve ID x 1.5/8" sleeve OAL) to ensure proper fitment and secure installation on compatible Chevrolet and GMC trucks.

Common Applications and Problem Solving

• Restores proper suspension travel and ride height on Chevrolet Sierra 1500 and Silverado 1500 models
• Improves load handling and vehicle stability under heavy cargo or towing conditions
• Reduces excessive bouncing and harshness caused by worn or damaged shocks
• Prevents premature wear of suspension components by maintaining consistent damping
• Protects suspension internals from dirt and corrosion with a durable metal dust shield

Installation Notes and Tips

• Ensure compatibility with Chevrolet Sierra 1500, Sierra 1500 Classic, Silverado 1500, and Silverado 1500 Classic before installation
• Use proper tools to remove and install loop bushing and sleeve mounts securely
• Inspect mounting points for wear or damage and replace if necessary to maintain suspension integrity
• Follow vehicle manufacturer torque specifications for mounting hardware
• Check shock absorber travel and clearance after installation to confirm proper fit

Quality Assurance and Warranty

Monroe Load Adjusting Shock Absorbers are manufactured to meet or exceed OEM specifications for durability and performance. The 58637 part number undergoes rigorous quality control to ensure consistent damping and load handling. While specific warranty details are not provided here, Monroe typically offers limited warranties on their shock absorbers covering defects in materials and workmanship. Consult Monroe or authorized distributors for exact warranty terms related to this suspension shock absorber assembly.