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The Gates molded heater hose for 2014–2018 Toyota 4Runner 4.0L V6 is the bypass hose between the thermostat and the cylinder head on the right side, routing coolant as required for engine temperature control. This molded replacement matches the factory routing and connector layout specified for those 4Runner years and serves as the service hose for that location.
Gates 14-18 Toyota 4 Runner V-6 4.0L By Pass - Thermostat To Cyl. Head (Right) Molded Heater Hose