ACDelco 20904442 Genuine GM Rear Lower Coil Spring Insulator

The ACDelco 20904442 is a Genuine GM rear lower coil spring insulator designed to provide cushioning and isolation between the coil spring and the vehicle's suspension mounting point. This factory OEM component helps reduce noise, vibration, and harshness (NVH) while protecting the coil spring seat from wear and corrosion.

Key Features:

• Genuine GM OEM part ensuring exact fit and quality
• Durable rubber construction resists compression set and environmental degradation
• Reduces metal-to-metal contact for quieter suspension operation
• Helps maintain proper coil spring alignment and positioning
• Direct replacement for worn or deteriorated original insulators

ACDelco Genuine GM Parts are manufactured to original equipment specifications and provide reliable performance for GM vehicles. This insulator is engineered to meet the same standards as the part that came with your vehicle from the factory.