Moog 5379 Coil Spring Set - Rear

Moog Coil Spring Set 5379 Overview

The Moog Coil Spring Set 5379 is engineered to restore suspension performance for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with precise wire diameter and spring dimensions, this coil spring set ensures consistent ride height and handling characteristics.

• Wire diameter: 0.56 inches (14.30 mm)
• Spring color: Black for corrosion resistance
• Front and rear spring outside diameter: 6.690 inches
• Front and rear spring relaxed length: 14.75 inches (374.70 mm)
• Front and rear spring compressed length: 8.50 inches (215.90 mm)

Technical Details and Specifications

The Moog 5379 coil spring set features a wire diameter of 0.56 inches (14.30 mm), providing the necessary strength and flexibility for suspension systems on compatible vehicles. Both front and rear springs share identical outside diameters of 6.690 inches, ensuring uniform suspension response. The relaxed length of 14.75 inches (374.70 mm) and compressed length of 8.50 inches (215.90 mm) allow for optimal suspension travel and load handling. The black finish offers protection against rust and environmental wear.

Compatible Vehicles and Applications

This coil spring set is compatible with a range of classic and late-model vehicles, including Buick Bonneville and Century, Chevrolet Malibu, Monte Carlo, and El Camino, Oldsmobile Cutlass series (Cutlass, Cutlass Calais, Cutlass Cruiser, Cutlass Salon, Cutlass Supreme), Grand LeMans, LeMans, and Pontiac Grand Prix, Parisienne, Regal, and Skylark. The Moog 5379 is designed to meet the suspension requirements of these models, maintaining factory ride height and handling characteristics.

Common Suspension Issues Addressed

• Restores sagging or worn coil springs to correct ride height
• Improves vehicle stability and handling performance
• Reduces uneven tire wear caused by suspension imbalance
• Eliminates excessive body roll during cornering
• Replaces fatigued springs to maintain proper suspension travel

Installation Notes and Tips

When installing the Moog Coil Spring Set 5379, ensure the vehicle is securely lifted and supported. Use appropriate spring compressors to safely remove and install coil springs. Verify that the spring orientation matches factory specifications. After installation, check ride height and suspension alignment to confirm proper fitment and performance.

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 5379 are not provided, Moog products typically come with a limited warranty against defects in materials and workmanship. Refer to Moog's official documentation for complete warranty information.