ACDelco RC122 Coolant Recovery Reservoir Cap

The ACDelco RC122 Coolant Recovery Reservoir Cap helps keep coolant from flowing out of your vehicle's engine coolant recovery tank, ensuring proper cooling system function and preventing coolant loss. This GM Genuine Parts cap is a true OE part installed during production or validated by General Motors for GM vehicles, and may have formerly appeared as ACDelco GM Original Equipment.

Key Features:

• Designed, engineered, and tested to rigorous standards set by General Motors
• Direct replacement for GM OEM part number 85604317
• Engineered specifically for Chevrolet, Buick, GMC, and Cadillac vehicles
• Maintains proper cooling system pressure and prevents coolant evaporation
• Precision-engineered for exact fit and reliable sealing performance

This reservoir cap is manufactured to GM's exacting specifications, providing the same quality, durability, and service life as the original factory component. Installing genuine GM parts ensures optimal performance and maintains your vehicle's cooling system integrity.