Our Engine coolant hose and heater hose is suitable for use on marine engine coolant applications. The coolant hose and heater hose is available with 8mm ID up to 50mm inside diameters (5/16" to 2"). Heater hose / coolant hose is sold per metre, per 20 metre coil or 40 metre coil. Coolant hose and heater hose is also known as radiator hose or engine hose.
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