Shop 45 degree preformed coolant hoses and silicone reducers for heavy-duty trucks at All Pro Truck Parts. Preformed 45-degree hoses route coolant cleanly through tight engine bay spaces where straight hose can't bend without kinking. We carry rubber EPDM and silicone hoses in a range of inside diameters and reducer sizes for the most common Class 6 through Class 8 truck cooling system applications.
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