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Moog 81049 Coil Spring Set - Rear
Moog Coil Spring Set Overview
The Moog 81049 coil spring set is engineered to restore suspension performance for select Buick, Chevrolet, GMC, Isuzu, and Oldsmobile models. Designed with precise dimensions and durable black finish, this coil spring set supports reliable ride height and handling characteristics.
- Wire diameter: 0.59 inches (15.06 mm)
- Spring color: Black
- Front and rear spring outside diameter: 5.610 inches
- Front and rear spring relaxed length: 17.13 inches (434.98 mm)
- Front and rear spring compressed length: 5.44 inches
Technical Specifications and Design Details
The Moog 81049 coil spring set features a consistent wire diameter of 0.59 inches, providing balanced strength and flexibility. Both front and rear springs share an outside diameter of 5.610 inches, ensuring uniform suspension geometry. The relaxed length of 17.13 inches allows for proper ride height, while the compressed length of 5.44 inches accommodates suspension travel under load. The black finish offers corrosion resistance and a clean appearance.
Compatible Vehicles and Applications
This coil spring set is compatible with a range of SUVs and trucks, including Buick Ascender, Chevrolet Trailblazer, GMC Envoy and Envoy XUV, Isuzu Ascender, Oldsmobile Bravada, and Chevrolet Rainier. The Moog 81049 is designed to meet the suspension requirements of these models, maintaining factory ride quality and handling characteristics.
Common Suspension Issues Addressed
- Restores proper ride height and vehicle stance
- Improves handling and stability by replacing worn or sagging springs
- Reduces uneven tire wear caused by suspension imbalance
- Eliminates excessive body roll and bottoming out
- Maintains suspension geometry for safe driving conditions
Installation Notes and Tips
When installing the Moog 81049 coil spring set, ensure the vehicle is securely lifted and supported. Use appropriate spring compressors to safely remove and install coil springs. Verify that the springs are oriented correctly according to manufacturer specifications. After installation, check ride height and alignment to confirm proper suspension setup.
Quality Assurance and Warranty
Moog coil springs are manufactured to meet or exceed OEM specifications, ensuring durability and consistent performance. While specific warranty details for part number 81049 are not provided here, Moog products typically come with a limited warranty against defects in materials and workmanship. Consult Moog or authorized distributors for exact warranty terms.
| Brand | Moog |
| Part Number | 81049 |
| Wire Diameter | 0.59 |
| Wire Diameter | 15.06 |
| Spring Color | Black |
| Front Spring Outside Diameter | 5.610 |
| Front Spring Relaxed Length | 17.13 |
| Front Spring Relaxed Length | 434.98 |
| Front Spring Compressed Length | 5.44 |
| Rear Spring Relaxed Length | 17.13 |
| Rear Spring Relaxed Length | 434.98 |
| Rear Spring Compressed Length | 5.44 |
| Rear Spring Outside Diameter | 5.610 |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | 4.2L | L6 | 113.0" | Rear | |||
| 2009 | GMC | Envoy | SLT | RWD | Rear | ||||
| 2008 | Chevrolet | Trailblazer | 5.3L | V8 | 113.0" | Rear | Constant Rate Spring | ||
| 2008 | Chevrolet | Trailblazer | 4.2L | L6 | 113.0" | Rear | Constant Rate Spring | ||
| 2008 | GMC | Envoy | Rear | Constant Rate Spring | |||||
| 2008 | Isuzu | Ascender | Rear | 5 Passenger; Constant Rate Spring | |||||
| 2007 | Buick | Rainier | Rear | Constant Rate Spring | |||||
| 2007 | Chevrolet | Trailblazer | 5.3L | V8 | 113.0" | Rear | Constant Rate Spring | ||
| 2007 | Chevrolet | Trailblazer | 4.2L | L6 | 113.0" | Rear | Constant Rate Spring | ||
| 2007 | GMC | Envoy | SLT | RWD | Rear | Constant Rate Spring | |||
| 2007 | GMC | Envoy | SLE | RWD | Rear | Constant Rate Spring | |||
| 2007 | Isuzu | Ascender | Rear | 5 Passenger; Constant Rate Spring | |||||
| 2006 | Buick | Rainier | Rear | Constant Rate Spring | |||||
| 2006 | Chevrolet | Trailblazer | 5.3L | V8 | 113.0" | Rear | Constant Rate Spring | ||
| 2006 | Chevrolet | Trailblazer | 4.2L | L6 | 113.0" | Rear | Constant Rate Spring | ||
| 2006 | GMC | Envoy | Rear | Constant Rate Spring | |||||
| 2006 | Isuzu | Ascender | Rear | 5 Passenger; Constant Rate Spring | |||||
| 2005 | Buick | Rainier | Rear | Constant Rate Spring | |||||
| 2005 | Chevrolet | Trailblazer | 4.2L | L6 | 113.0" | Rear | Constant Rate Spring | ||
| 2005 | GMC | Envoy | Rear | Constant Rate Spring | |||||
| 2005 | GMC | Envoy XUV | RWD | Rear | Constant Rate Spring | ||||
| 2005 | Isuzu | Ascender | Rear | 5 Passenger; Constant Rate Spring | |||||
| 2004 | Buick | Rainier | Rear | Constant Rate Spring | |||||
| 2004 | Chevrolet | Trailblazer | 4.2L | L6 | 113.0" | Rear | Constant Rate Spring | ||
| 2004 | GMC | Envoy | Rear | Constant Rate Spring | |||||
| 2004 | GMC | Envoy XUV | RWD | Rear | Constant Rate Spring | ||||
| 2004 | Isuzu | Ascender | Rear | 5 Passenger; Constant Rate Spring | |||||
| 2004 | Oldsmobile | Bravada | Rear | Constant Rate Spring | |||||
| 2003 | Chevrolet | Trailblazer | 4.2L | L6 | 113.0" | Rear | Constant Rate Spring | ||
| 2003 | GMC | Envoy | Rear | Constant Rate Spring | |||||
| 2003 | Isuzu | Ascender | Rear | 5 Passenger; Constant Rate Spring | |||||
| 2003 | Oldsmobile | Bravada | Rear | Constant Rate Spring | |||||
| 2002 | Chevrolet | Trailblazer | 4.2L | L6 | 113.0" | Rear | Constant Rate Spring | ||
| 2002 | GMC | Envoy | Rear | Constant Rate Spring | |||||
| 2002 | Oldsmobile | Bravada | Rear | Constant Rate Spring |
* 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.