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The Gates molded heater hose for 1984–1989 Mercury Topaz 2.3L four-cylinder connects the heater to the water pump and is molded to the Topaz's original routing for those years. It is specified for the listed model and engine. Use this molded heater-to-water-pump hose to replace aged plumbing and restore correct coolant circulation; follow normal coolant-handling and installation steps for a reliable fit.
Gates 84-89 Mercury Topaz 4-Cyl. 2.3L Heater To Water Pump Molded Heater Hose