DAYCO WATER PUMP KIT TO SUIT GMC ACADIA SIDI LLT 3.6L V6Dayco water pump is the heart of the engine's cooling system and a vitally crucial element to ensure its accurate functioning. Cheaper pumps in the market often cause issues like heat ageing of the elastomeric components, the potential boiling of the fluid film between the seal faces, incorrect shaft or bore concentricity, bearing radial or axial play or excessive vibration due to misalignment of belts, pulleys or a defective fan clutch. With Dayco