GM Genuine Parts Engine Coolant Reservoir Hoses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These hoses allow coolant to pass between your vehicle's coolant reservoir tank and the cooling system. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Allows coolant to pass between your vehicle's coolant reservoir tank and the cooling system
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies