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(888) 312-8812 Login SignupSome parts work quietly in the background—but when they fail, the results are hard to ignore. The Motorcraft Heater Water Pump Hose is shaped for a direct fit and designed to handle heat, coolant flow, and pressure over long periods. Molded to match factory routing, it avoids kinks and rubbing points that lead to early wear. The Motorcraft KH1221 helps maintain steady flow from the engine to the heater core, which affects both engine temperature and cabin heat.
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