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The Gates lower flexible coolant hose is a replacement lower radiator line for International/Navistar models using part 1724, covering 1979–1984 applications. Intended to restore coolant circulation between the engine and cooling system, this lower hose matches original routing for service and maintenance on compatible International trucks. Use it when renewing the lower coolant connection to restore proper flow.
Gates 79-84 International/Navistar 1724 Lower Flexible Coolant Hose
