Monroe 58628 Shock Absorber and Coil Spring Assembly - Rear

Monroe Load Adjusting Shock Absorber 58628

Monroe 58628 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, making it a practical choice for Ford F-150 Heritage, Ford F-150, and Ford F-100 Ranger rear suspension service.

Key Features

• Load adjusting shock absorber for rear suspension applications
• Heavy-gauge calibrated spring responds to changing load and road conditions
• Compressed length: 14.25 in; extended length: 23.875 in
• Travel length: 9.625 in for rear suspension movement
• Metal dust shield included for added protection
• Upper mount: stem mount with 2.375 in stem length and 3/8 in-16 thread pitch
• Lower mount: loop bushing and sleeve mount with 12 mm sleeve ID and 1.5 in sleeve OAL

Product Details

This Monroe Load Adjusting Shock Absorber line is built for trucks that see variable payloads, trailer use, and uneven road surfaces. Monroe 58628 is engineered to help maintain rear suspension control when the vehicle is working harder, while the calibrated spring adds support as load increases. It cross-references Monroe Shocks & Struts 58628 and Focus Auto Parts SC00036 for the same application.

Vehicle Fitment

• Fits 2004 Ford F-150 Heritage, rear; except 7,700 GVW; for towing & hauling; load adjusting shock absorber
• Fits 1997-2003 Ford F-150, rear; except 7,700 GVW; for towing & hauling; load adjusting shock absorber
• Fits 1997-2001 Ford F-100 Ranger, rear; except 7,700 GVW; for towing & hauling; load adjusting shock absorber

Common Problems This Part Helps Address

• Rear sag when towing or hauling cargo
• Reduced control over rough or uneven pavement
• Excessive bounce in the rear suspension
• Loss of stability as payload changes
• Need for a direct-fit rear shock replacement on supported Ford trucks

Installation Notes

Verify rear suspension mounting style, compressed length, and extended length before installation. Confirm the vehicle is not equipped with the excluded 7,700 GVW configuration listed in the fitment notes. Match the upper stem mount and lower loop bushing and sleeve mount to the existing hardware layout on the vehicle.

Quality Assurance

Monroe manufactures this load adjusting shock absorber as part of its suspension and shocks line for truck applications that require added control under changing load conditions. Part number 58628 is specified for the listed rear Ford applications and should be matched to the vehicle’s fitment details before purchase.