Monroe 58612 Shock Absorber and Coil Spring Assembly - Rear

Monroe Load Adjusting Shock Absorber 58612 Overview

The Monroe Load Adjusting Shock Absorber part number 58612 is engineered to provide reliable suspension performance for select Cadillac, Chevrolet, and GMC vehicles. Designed specifically for models like the Escalade, Tahoe, Yukon, and various Express and Suburban variants, this shock absorber assembly helps maintain vehicle stability and ride comfort under varying load conditions.

• Compressed length: 14.625 inches
• Extended length: 23.75 inches
• Travel length: 9.125 inches
• Includes metal dust shield for enhanced durability
• Upper mounting: Cross pin mount with 5/16 inch hole diameter
• Lower mounting: Loop bushing and sleeve mount with 9/16 inch sleeve ID
• Extended bumper stop included for improved suspension travel control

Load Adjusting Shock Absorber Product Line Details

The Monroe Load Adjusting Shock Absorber line is designed to automatically adjust damping force based on vehicle load, improving handling and ride quality. This technology is particularly beneficial for trucks and SUVs that frequently carry varying payloads, such as the Chevrolet Express 2500 and GMC Savana 3500. The 58612 shock absorber assembly integrates these features to optimize suspension response without manual adjustments.

Technical Description and Features

This suspension shock absorber and coil spring assembly features a compressed length of 14.625 inches and an extended length of 23.75 inches, providing a travel length of 9.125 inches. The metal dust shield protects internal components from debris and corrosion, extending service life. The upper mounting uses a cross pin mount with a closed-ended design and 5/16 inch hole diameter on both ends, while the lower mounting employs a loop bushing and sleeve mount with a 9/16 inch sleeve inner diameter and 1.625 inch outer length. An extended bumper stop is included to prevent over-compression during heavy loads, enhancing suspension durability.

Applications and Problem Solving

• Improves ride stability and control on Cadillac Escalade and GMC Yukon models
• Reduces suspension sag under heavy loads in Chevrolet K1500 and K2500 Suburban vehicles
• Minimizes harshness and vibration in GMC Savana 2500 and 3500 vans
• Maintains proper suspension travel and damping for Chevrolet Express 2500 and 3500
• Prevents premature wear of suspension components due to load variations

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Verify mounting codes: upper mount Xp7 and lower mount Ls47 for proper fit
• Inspect mounting hardware and replace if worn or damaged
• Use appropriate tools to avoid damage to bushings and mounting points
• Follow vehicle manufacturer torque specifications during installation

Quality Assurance and Warranty

Monroe shock absorbers are manufactured to meet or exceed OEM standards for durability and performance. The Load Adjusting Shock Absorber 58612 undergoes rigorous testing to ensure consistent damping characteristics and long service life. While specific warranty details may vary, Monroe typically offers coverage against defects in materials and workmanship, providing confidence in product reliability.