Monroe 37242 Shock Absorber - Rear

Monroe OESpectrum Rear Shock Absorber

Monroe OESpectrum Light Truck Shock Absorber 37242 is built for rear suspension service on select GM SUVs and crossover-based utility vehicles. It is engineered to restore factory-style drivability while improving handling control and reducing noise, vibration, and harshness.

Key Features

• Rear suspension shock absorber for select applications
• OESpectrum Light Truck product line for factory-style ride control
• Compressed length: 14.625 in.
• Extended length: 22.25 in.
• Travel length: 7.625 in.
• Metal dust shield included
• Upper mount: LS28 loop bushing and sleeve mount, 12 mm sleeve ID, 41.28 mm sleeve OAL
• Lower mount: LS29 loop bushing and sleeve mount, 12 mm sleeve ID, 1.75 in. sleeve OAL
• Part number 37242

Product Details

Monroe OESpectrum 37242 is a rear suspension shock absorber designed for vehicles that use stock components and need controlled damping without adding harshness. The OESpectrum Light Truck line focuses on restoring original ride behavior while filtering road noise and vibration, making it a practical choice for daily-driven utility vehicles. This part cross-references KYB 343395 for the same application.

Vehicle Fitment

• Fits 2002-2009 GMC Envoy, Rear. Enhances performance for vehicles with stock components.
• Fits 2004-2007 Buick Rainier, Rear. Enhances performance for vehicles with stock components.
• Fits 2002-2006 GMC Envoy XL, Rear. Enhances performance for vehicles with stock components.
• Fits 2004-2005 GMC Envoy XUV, Rear. Enhances performance for vehicles with stock components.
• Fits 2002-2004 Oldsmobile Bravada, Rear. Enhances performance for vehicles with stock components.

Common Issues This Part Addresses

• Excessive rear-end bounce over bumps
• Loose or unsettled handling in the rear suspension
• Noise and vibration from worn shock absorbers
• Reduced ride control on GMC Envoy, Buick Rainier, and Oldsmobile Bravada applications
• Uneven damping response from aging factory shocks

Installation Notes and Tips

Verify upper and lower mounting codes LS28 and LS29 before installation. Confirm compressed and extended lengths against the vehicle’s suspension travel to ensure proper fitment on the rear of the GMC Envoy, Envoy XL, Envoy XUV, Buick Rainier, and Oldsmobile Bravada. Inspect mounting bushings, sleeves, and surrounding suspension components for wear before replacing the shock absorber.

Quality Assurance

Monroe designs the OESpectrum Light Truck line to deliver factory-style drivability and controlled handling for light truck and SUV applications. Part number 37242 is built to match the specified rear fitments and mounting configuration listed above.