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The Gates molded upper coolant hose for 2004–2009 Mazda3 2.3L connects upper cooling passages and restores proper coolant flow and routing. This replacement follows factory contours and attachment points to ensure a secure fit and reduced leak potential. Replace the upper hose if you notice cracking, softening, or leaks to maintain consistent engine cooling and prevent overheating.
Gates 04-09 Mazda 3 4-Cyl. 2.3L Upper Molded Coolant Hose
