HomeSuspension > Suspension, Springs and Related ComponentsMoog 81049 Coil Spring Set - Rear
Part #: 81049

Moog 81049 Coil Spring Set - Rear

Rear
⚙️ 35 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, GMC, Isuzu, and Oldsmobile, Ascender, Bravada, Envoy, Envoy XUV, Rainier, and Trailblazer
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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.

BrandMoog
Part Number81049
Wire Diameter0.59
Wire Diameter15.06
Spring ColorBlack
Front Spring Outside Diameter5.610
Front Spring Relaxed Length17.13
Front Spring Relaxed Length434.98
Front Spring Compressed Length5.44
Rear Spring Relaxed Length17.13
Rear Spring Relaxed Length434.98
Rear Spring Compressed Length5.44
Rear Spring Outside Diameter5.610

This part fits 35 vehicles. Search below:

YearMakeModelSubmodelDrive TypeLitersCylindersWheel BasePositionNotes
2009ChevroletTrailblazer4.2LL6113.0"Rear
2009GMCEnvoySLTRWDRear
2008ChevroletTrailblazer5.3LV8113.0"RearConstant Rate Spring
2008ChevroletTrailblazer4.2LL6113.0"RearConstant Rate Spring
2008GMCEnvoyRearConstant Rate Spring
2008IsuzuAscenderRear5 Passenger; Constant Rate Spring
2007BuickRainierRearConstant Rate Spring
2007ChevroletTrailblazer5.3LV8113.0"RearConstant Rate Spring
2007ChevroletTrailblazer4.2LL6113.0"RearConstant Rate Spring
2007GMCEnvoySLTRWDRearConstant Rate Spring
2007GMCEnvoySLERWDRearConstant Rate Spring
2007IsuzuAscenderRear5 Passenger; Constant Rate Spring
2006BuickRainierRearConstant Rate Spring
2006ChevroletTrailblazer5.3LV8113.0"RearConstant Rate Spring
2006ChevroletTrailblazer4.2LL6113.0"RearConstant Rate Spring
2006GMCEnvoyRearConstant Rate Spring
2006IsuzuAscenderRear5 Passenger; Constant Rate Spring
2005BuickRainierRearConstant Rate Spring
2005ChevroletTrailblazer4.2LL6113.0"RearConstant Rate Spring
2005GMCEnvoyRearConstant Rate Spring
2005GMCEnvoy XUVRWDRearConstant Rate Spring
2005IsuzuAscenderRear5 Passenger; Constant Rate Spring
2004BuickRainierRearConstant Rate Spring
2004ChevroletTrailblazer4.2LL6113.0"RearConstant Rate Spring
2004GMCEnvoyRearConstant Rate Spring
2004GMCEnvoy XUVRWDRearConstant Rate Spring
2004IsuzuAscenderRear5 Passenger; Constant Rate Spring
2004OldsmobileBravadaRearConstant Rate Spring
2003ChevroletTrailblazer4.2LL6113.0"RearConstant Rate Spring
2003GMCEnvoyRearConstant Rate Spring
2003IsuzuAscenderRear5 Passenger; Constant Rate Spring
2003OldsmobileBravadaRearConstant Rate Spring
2002ChevroletTrailblazer4.2LL6113.0"RearConstant Rate Spring
2002GMCEnvoyRearConstant Rate Spring
2002OldsmobileBravadaRearConstant 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:

1502774015097378151739631520773815207740152077421594800815948010277-3485277-349145H038545H2133589-1133630.66116CS81049RCS20563SSMS81049

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.