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The Gates upper flexible heavy-duty coolant hose is a replacement upper radiator line for International/Navistar 8100 diesel trucks produced 1990–1994. Designed to restore coolant flow between engine and radiator components, it mirrors the factory upper hose routing for heavy-duty duty cycles. Use this part when servicing 8100 series trucks that require the correct original-type upper coolant connection.
Gates 90-94 International/Navistar 8100 Diesel Upper Flexible HD Coolant Hose
