Moog 81039 Coil Spring Set - Rear

Moog Coil Spring Set for Buick Aztek and Pontiac Rendezvous

The Moog 81039 coil spring set is designed specifically for the front and rear suspension of Buick Aztek and Pontiac Rendezvous models. Engineered to meet exact OEM specifications, these coil springs provide reliable support and consistent ride height for your vehicle.

• Wire diameter: 0.64 inches (16.30 mm)
• Spring color: Black
• Front and rear spring outside diameter: 4.610 inches
• Front and rear spring relaxed length: 12.00 inches (304.80 mm)
• Front and rear spring compressed length: 9.00 inches (228.60 mm)

Technical Details of Moog 81039 Coil Springs

This coil spring set features a wire diameter of 0.64 inches, providing the necessary strength and flexibility for suspension performance. Both front and rear springs share an outside diameter of 4.610 inches, ensuring uniformity in suspension response. The relaxed length of 12.00 inches allows for proper ride height, while the compressed length of 9.00 inches accommodates suspension travel under load. The black finish offers corrosion resistance and durability over time.

Compatible Vehicles and Applications

The Moog 81039 coil spring set is compatible with the following vehicles:

• Buick Aztek
• Pontiac Rendezvous

These springs are intended for use in suspension systems requiring replacement or upgrade of coil springs to restore proper ride height and handling characteristics.

Common Suspension Issues Addressed

• Sagging or uneven ride height in front or rear suspension
• Reduced suspension travel causing harsh ride quality
• Worn or fatigued springs leading to poor handling
• Noise or vibration from weakened coil springs
• Restoring suspension geometry after component replacement

Installation Notes and Tips

When installing the Moog 81039 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 suspension travel to confirm proper fitment and function.

Quality Assurance and Warranty

Moog coil springs are manufactured to meet or exceed OEM standards for durability and performance. The 81039 coil spring set undergoes rigorous quality control to ensure consistent dimensions and material integrity. While specific warranty details are not provided here, Moog products typically include coverage against manufacturing defects. Consult product documentation or Moog directly for warranty information.