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The Gates molded bottom heater hose for 2007–2009 Mazda 3 4‑cyl 2.0L is the same heater hose configuration listed for those years and engine. It replaces the factory bottom heater line to restore intended coolant circulation through the heater circuit. The molded shape matches the original routing so fitting the proper replacement hose reestablishes correct connections for the Mazda 3 2.0L.
Gates 07-09 Mazda 3 4-Cyl. 2.0L Heater (Bottom) Molded Coolant Hose
