
The Gates molded heater hose for 2007–2009 Mazda 3 4‑cyl 2.0L is the bottom heater hose specified for those model years and engine. This molded heater line replaces the factory lower heater connection and restores proper coolant flow through the heater circuit. It’s matched to the listed Mazda 3 years and 2.0L application to ensure correct routing and fit during replacement.
Gates 07-09 Mazda 3 4-Cyl. 2.0L Heater (Bottom) Molded Coolant Hose