OE Quality
60-Day Returns

Monroe 37242 Shock Absorber - Rear
Monroe OESpectrum Shock Absorber Overview
The Monroe OESpectrum Light Truck Shock Absorber 37242 is engineered to provide reliable suspension performance for select Buick, GMC, and Oldsmobile light trucks. Designed specifically for models like the Buick Rainier and GMC Envoy series, this shock absorber helps maintain vehicle stability and ride comfort under various driving conditions.
- Compressed length: 14.625 inches
- Travel length: 7.625 inches
- Extended length: 22.25 inches
- Metal dust shield included for enhanced durability
- Upper and lower loop bushing & sleeve mounts with 12mm sleeve ID
- Compatible with Buick Bravada, GMC Envoy, Envoy XL, Envoy XUV, and Oldsmobile Rainier
Detailed Product Features and Specifications
This Monroe OESpectrum Light Truck Shock Absorber (part number 37242) features a metal dust shield that protects the shock shaft from debris and corrosion, extending the service life of the component. The shock absorber has a compressed length of 14.625 inches and an extended length of 22.25 inches, with a travel length of 7.625 inches, ensuring proper suspension articulation and damping performance. Both upper and lower mounts utilize loop bushing and sleeve mounts with a 12mm sleeve inner diameter, providing secure and precise fitment. The lower mount sleeve measures 1.75 inches in overall length, while the upper mount sleeve is 41.28mm long, designed to match factory specifications for a direct replacement.
OESpectrum Light Truck Shock Absorber Product Line
The Monroe OESpectrum Light Truck Shock Absorber line is developed to meet or exceed original equipment standards for light trucks and SUVs. This product line focuses on delivering consistent ride quality and handling characteristics tailored to the specific suspension requirements of light truck applications. The 37242 shock absorber is part of this line, engineered to provide balanced damping and durability for vehicles such as the Buick Rainier and GMC Envoy models.
Common Applications and Problem Solving
- Reduces excessive bouncing and body roll during cornering
- Improves vehicle stability on uneven or rough roads
- Minimizes suspension noise and vibration
- Restores proper suspension travel and control
- Prevents premature tire wear caused by worn shocks
Installation Notes and Tips
When installing the Monroe 37242 shock absorber, ensure the vehicle is securely lifted and supported. Verify that the upper and lower mounting points correspond to the loop bushing and sleeve mount design with 12mm sleeve ID. No compressed or extended bumper stops are included, so inspect existing suspension components for wear or damage. Proper torque specifications should be followed to maintain mounting integrity and suspension performance.
Quality Assurance and Warranty
Monroe manufactures the OESpectrum Light Truck Shock Absorber 37242 to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Monroe typically offers limited warranties on their shock absorbers covering defects in materials and workmanship. Refer to Monroe’s official documentation for complete warranty information.
| Brand | Monroe |
|---|---|
| Part Number | 37242 |
| Position | OESpectrum Light Truck Shock Absorber, Rear |
| Compressed Bumper Stop | No |
| Compressed Length | 14.625 |
| Dust Shield | Yes |
| Dust Shield Material | Metal |
| Extended Bumper Stop | No |
| Extended Hydraulic Lockout | No |
| Extended Length | 22.25 |
| Lower Mounting Code | LS29 |
| Lower Mounting Type | Loop Bushing & Sleeve Mount - 12MM Sleeve ID X 1.3/4" Sleeve OAL |
| Parts Pack | None |
| Travel Length | 7.625 |
| Upper Mounting Code | LS28 |
| Upper Mounting Type | Loop Bushing & Sleeve Mount - 12MM Sleeve ID X 41.28MM Sleeve OAL |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | GMC | Envoy | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2008 | GMC | Envoy | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2007 | Buick | Rainier | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2007 | GMC | Envoy | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2006 | Buick | Rainier | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2006 | GMC | Envoy | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2006 | GMC | Envoy XL | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2005 | Buick | Rainier | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2005 | GMC | Envoy | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2005 | GMC | Envoy XL | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2005 | GMC | Envoy XUV | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2004 | Buick | Rainier | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2004 | GMC | Envoy | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2004 | GMC | Envoy XL | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2004 | GMC | Envoy XUV | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2004 | Oldsmobile | Bravada | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2003 | GMC | Envoy | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2003 | GMC | Envoy XL | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2003 | Oldsmobile | Bravada | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2002 | GMC | Envoy | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2002 | GMC | Envoy XL | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
| 2002 | Oldsmobile | Bravada | Rear | Enhances performance for vehicles with stock components.; OESpectrum Light Truck Shock Absorber |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.