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The Gates molded upper coolant hose for 2003–2008 Mazda 6 4-cylinder 2.3L provides the upper radiator connection to manage coolant flow between the engine and radiator. This molded replacement matches factory routing and attachment points to maintain proper sealing. Swap it in when the original hose is cracked or leaking to restore reliable cooling function and prevent overheating.
Gates 03-08 Mazda 6 4-Cyl. 2.3L Upper Molded Coolant Hose
