Monroe 58518 Shock Absorber and Coil Spring Assembly - Rear

Monroe Load Adjusting Shock Absorber 58518 Overview

The Monroe Load Adjusting Shock Absorber part number 58518 is designed to provide reliable suspension performance for select Ford trucks and vans. Engineered to maintain vehicle stability and control, this shock absorber assembly is compatible with Ford Bronco, E-100 Econoline, E-150 Econoline, and F-Series trucks including F-100, F-150, and F-250 models.

• Compressed length: 12.125 inches
• Extended length: 19.625 inches
• Travel length: 7.5 inches
• Includes metal dust shield for enhanced durability
• Upper mounting: Stem mount with 2.3/8 inch stem length and 3/8-16 thread pitch
• Lower mounting: Loop bushing and sleeve mount with 1/2 inch sleeve ID and 1.5 inch sleeve OAL
• Does not include compressed or extended bumper stops

Load Adjusting Shock Absorber Product Line Details

The Monroe Load Adjusting Shock Absorber line is designed to adapt to varying load conditions, helping maintain consistent ride quality and vehicle control. This product line focuses on providing suspension components that adjust to changes in vehicle weight, which is particularly beneficial for trucks and vans that frequently carry different payloads. Part number 58518 fits within this line, offering a coil spring and shock absorber assembly tailored for Ford vehicles requiring load-responsive suspension support.

Technical Description and Features

This suspension shock absorber and coil spring assembly features a compressed length of 12.125 inches and an extended length of 19.625 inches, allowing for a travel length of 7.5 inches. The metal dust shield protects the shock absorber from debris and environmental elements, extending the service life of the component. The upper mounting uses a stem mount design with a 2.3/8 inch stem length and 3/8-16 thread pitch, while the lower mounting employs a loop bushing and sleeve mount with precise dimensions to ensure proper fitment and secure installation.

Applications and Problem Solving

• Restores proper suspension travel and damping on Ford Bronco and Econoline vans
• Improves ride stability and handling on Ford F-100, F-150, and F-250 trucks
• Addresses sagging or uneven ride height due to worn shocks or springs
• Reduces excessive body roll and vibration under load
• Enhances vehicle control when carrying varying payloads

Installation Notes and Tips

Ensure compatibility with your specific Ford model and year before installation. The upper stem mount requires proper threading and torque to secure the shock absorber. The lower loop bushing and sleeve mount must be aligned correctly to avoid premature wear. It is recommended to inspect related suspension components during installation and replace any worn bushings or mounts to maintain optimal performance.

Quality Assurance and Warranty

Monroe shock absorbers are manufactured to meet or exceed OEM specifications for durability and performance. This Load Adjusting Shock Absorber assembly is backed by Monroe's quality standards, ensuring reliable operation under normal use. Please refer to Monroe's official warranty documentation for specific coverage details related to part number 58518.