Moog 81004 Coil Spring Set - Front

Moog Coil Spring Set for Chevrolet Express 3500 and GMC Savana 3500

The Moog 81004 coil spring set is engineered to restore suspension performance for Chevrolet Express 3500 and GMC Savana 3500 models. Designed with precise dimensions and durable materials, this coil spring set ensures consistent ride height and handling characteristics.

• Wire diameter: 1.03 inches (26.20 mm)
• Spring color: Black for corrosion resistance
• Front and rear spring outside diameter: 6.070 inches
• Front and rear spring relaxed length: 17.78 inches (451.60 mm)
• Front and rear spring compressed length: 14.00 inches (355.60 mm)

Technical Details of Moog 81004 Coil Spring Set

This coil spring set features a wire diameter of 1.03 inches (26.20 mm), providing the necessary strength and flexibility for heavy-duty suspension applications. Both front and rear springs share identical outside diameters of 6.070 inches, ensuring uniform load distribution. The relaxed length of 17.78 inches (451.60 mm) and compressed length of 14.00 inches (355.60 mm) allow for optimal suspension travel and ride comfort. The black finish offers protection against rust and environmental wear, extending the service life of the springs.

Compatible Vehicles and Applications

The Moog 81004 coil spring set is specifically compatible with Chevrolet Express 3500 and GMC Savana 3500 models. It is designed to replace worn or sagging springs, helping to maintain proper vehicle height and suspension geometry.

• Restores original ride height and suspension performance
• Addresses sagging or uneven suspension issues
• Improves load handling and vehicle stability
• Reduces bottoming out and harsh ride conditions
• Supports safe and predictable handling characteristics

Installation Notes and Tips

When installing the Moog 81004 coil spring set, ensure the vehicle is securely lifted and supported. It is recommended to replace springs in pairs (front or rear) to maintain balanced suspension performance. Verify spring orientation and seating to prevent noise or premature wear. After installation, a professional wheel alignment is advised to optimize handling and tire wear.

Quality Assurance and Warranty

Moog coil springs are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details for part number 81004 are not provided, Moog products typically come with a limited warranty against defects in materials and workmanship. Consult Moog or authorized distributors for exact warranty terms.