Monroe 58270 Shock Absorber and Coil Spring Assembly - Front

Monroe Load Adjusting Shock Absorber Overview

The Monroe Load Adjusting Shock Absorber part number 58270 is engineered to provide reliable suspension performance for a range of GM vehicles. Designed specifically for models like the Chevrolet Malibu, Pontiac Grand Prix, and GMC S10, this shock absorber assembly helps maintain vehicle stability and ride comfort under varying load conditions.

• Compressed length: 8.75 inches
• Extended length: 13 inches
• Travel length: 4.25 inches
• Metal dust shield included for enhanced durability
• Extended bumper stop for improved suspension travel protection
• Lower mount: Cross pin mount with closed-ended 5/16" hole ID
• Upper mount: Stem mount with 2 3/8" stem length and 3/8"-16 thread pitch

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 ride quality and handling. This feature is particularly beneficial for vehicles like the Buick Century and Oldsmobile Cutlass series, which may experience varying passenger and cargo weights. The 58270 shock absorber assembly integrates this technology to optimize suspension response without manual adjustments.

Technical Description and Vehicle Compatibility

This suspension shock absorber and coil spring assembly is compatible with a variety of GM makes and models, including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac. Notable compatible models include the Chevrolet Monte Carlo, Pontiac GTO, and GMC Jimmy. The assembly features a metal dust shield to protect internal components from debris and an extended bumper stop to prevent damage during full suspension compression. The lower cross pin mount and upper stem mount ensure secure installation and proper alignment within the suspension system.

Common Applications and Problem Solving

• Reduces excessive body roll and sway during cornering
• Improves ride comfort on uneven or rough roads
• Maintains vehicle stability under varying load conditions
• Prevents suspension bottoming out with extended bumper stop
• Protects shock absorber internals with metal dust shield

Installation Notes and Tips

• Verify compatibility with your specific make and model before installation
• Ensure proper alignment of the cross pin lower mount and stem upper mount
• Inspect mounting hardware and replace if worn or damaged
• Use appropriate tools to avoid damage to the 3/8"-16 threaded stem
• Follow vehicle manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Monroe shock absorbers are manufactured to meet or exceed OEM standards for durability and performance. The Load Adjusting Shock Absorber 58270 includes a metal dust shield and extended bumper stop to enhance service life. While specific warranty details may vary, Monroe typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.