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The water pump circulates coolant through the engine, heater core, and radiator to maintain optimal operating temperature. It is driven by the timing belt, auxiliary belt, or an electric motor depending on the engine design. A failed water pump causes rapid overheating and can lead to head gasket failure, warped cylinder heads, and catastrophic engine damage. If your water pump is belt-driven, replace it with the timing belt to save on labour costs.
Water pumps typically fail from seal or bearing wear. Early detection prevents the secondary damage that overheating causes.
If the water pump is driven by the timing belt, replace both at the same time — the labour cost is the same and it prevents a second strip-down.
Commonly searched OE numbers fitting Water Pump from the TecDoc catalogue.
Common original equipment numbers linked to stocked alternatives.