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The Koyo radiator for 2004–2009 Mazda Mazda3 and Mazdaspeed3 fits manual‑transmission 2.0L and 2.3L inline‑4 engines, including naturally aspirated and turbo variants as applicable. It is a direct‑fit replacement intended to restore coolant flow and temperature control for the specified model and engine combinations during service or repairs.
Koyo 04-09 Mazda Mazda3/Speed3 2.0/2.3L I4 NA/Turbo (MT) Radiator
