Monroe 58601 Shock Absorber and Coil Spring Assembly - Rear

Monroe Load Adjusting Shock Absorber Overview

The Monroe Load Adjusting Shock Absorber 58601 is engineered to provide reliable suspension performance for Ford trucks, including the F-100 Ranger, F-150, and F-250 models. Designed to maintain vehicle stability and control under varying load conditions, this shock absorber assembly integrates both shock and coil spring components for enhanced ride quality.

• Compressed length: 14.25 inches
• Extended length: 23 inches
• Travel length: 8.75 inches
• Includes a metal dust shield for protection
• Upper mounting: Loop bushing mount (5/8" bushing ID x 1.5/16" bushing OAL)
• Lower mounting: Loop bushing & sleeve mount (12mm sleeve ID x 1.5" sleeve OAL)
• No compressed or extended bumper stops
• Part number: 58601

Load Adjusting Shock Absorber Product Line Details

The Monroe Load Adjusting Shock Absorber line is designed to adapt suspension damping based on vehicle load, improving handling and ride comfort. This product line focuses on maintaining consistent shock performance whether the vehicle is lightly loaded or carrying heavy cargo. The 58601 shock absorber assembly is part of this line, offering a coil spring and shock absorber combination tailored for Ford trucks to optimize load response.

Product Features and Specifications

This suspension shock absorber and coil spring assembly features a compressed length of 14.25 inches and an extended length of 23 inches, providing a travel length of 8.75 inches. The metal dust shield protects internal components from debris and corrosion, extending the service life of the shock absorber. The upper mounting uses a loop bushing mount with a 5/8 inch bushing inner diameter and 1.3125 inch outer length, while the lower mounting employs a loop bushing and sleeve mount with a 12mm sleeve inner diameter and 1.5 inch sleeve overall length. This assembly does not include compressed or extended bumper stops or hydraulic lockouts, focusing on straightforward, durable suspension support.

Compatible Vehicles and Applications

• Ford F-100 Ranger
• Ford F-150
• Ford F-250

This shock absorber assembly is specifically designed for these Ford truck models, ensuring proper fitment and suspension performance for both daily driving and load-bearing conditions.

Common Suspension Issues Addressed

• Reduced vehicle stability under varying loads
• Excessive suspension travel causing poor handling
• Wear and damage from road debris and corrosion
• Uneven ride height or sagging springs
• Degraded shock absorber performance over time

Installation Notes and Tips

When installing the Monroe Load Adjusting Shock Absorber 58601, ensure the correct orientation of the upper and lower mounts according to the vehicle’s suspension design. Verify that the loop bushings and sleeves are properly seated to avoid premature wear. The metal dust shield should be inspected for damage during installation to maintain protection. It is recommended to replace shocks in pairs to maintain balanced suspension performance.

Quality Assurance and Warranty

Monroe shock absorbers are manufactured to meet or exceed OEM specifications, providing reliable suspension performance. While specific warranty details for part number 58601 should be confirmed with the manufacturer or distributor, Monroe typically offers limited warranties covering defects in materials and workmanship.