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The Gates heater hose is a molded replacement that connects the heater to the engine on 2001–2003 Mazda Protege models with the 2.0L 4‑cylinder, restoring proper heater circuit routing. Its molded configuration matches the heater-to-engine path for that application, making it an application-specific option to keep coolant flowing correctly between the heater and engine connection for the listed model years and engine.
Gates 01-03 Mazda Protege 4-Cyl. 2.0L Heater To Eng. Molded Heater Hose
