While the engine cooling system relies on a large network of parts, including a radiator, a thermostat, fluid channels, and a series of hoses, the heart of the system is the water pump.

See All 12 Photos Inspecting the water pump showed that it probably was original, bolted onto the 7.3-liter engine sometime in 1994. Per the part’s age and mileage, we can’t be mad about it ...