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The Gates PCV-to-intake emission hose for 2007-2013 Mazda 3 4-cyl 2.3L links the PCV valve to the intake to route crankcase vapors and maintain proper ventilation. It replaces worn or collapsed PCV lines that lead to vacuum leaks and oil contamination. Installing the OEM-style hose restores sealing and helps prevent rough idle and emissions-related fault codes.
Gates 07-13 Mazda 3 4-Cyl. 2.3L PCV Valve To Intake Emission Control Hose