Coolant Bypass Hose
An automotive bypass coolant hose is a component that connects the engine's water pump to the thermostat housing in a vehicle's cooling system. It functions as a pathway for coolant to flow around the engine when the thermostat is closed, or partially closed, preventing the flow of coolant through the radiator. When the engine is cold, the thermostat remains closed to allow it to warm up quickly. During this time, the coolant bypass hose allows the hot coolant to circulate around the engine block and cylinder head, preventing overheating and ensuring proper lubrication. As the engine warms up and the thermostat opens, the coolant bypass hose is no longer necessary and the coolant is redirected through the radiator for cooling. A malfunctioning or damaged coolant bypass hose can cause engine overheating, coolant leaks, and other problems, which can lead to engine damage and costly repairs.
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When choosing a replacement coolant bypass hose, first confirm the year, make, model, and engine size of the vehicle. Then, from the remaining compatible options, choose the bypass hose that best fits your application and budget needs.
JEGS offers a diverse coolant bypass hose selection to choose from, available from the best aftermarket brands including Gates, Motorcraft, ACDelco, Crown Automotive, JEGS, and many others. Each bypass coolant hose is made from high quality components and assembly to provide long-lasting and leak-free service.
PPE Power 119000730 Coolant Bypass Tube LBZ LMM - Water Pump to Thermostat Housing Polished
Omix-ADA Water Pump Bypass Hose 1952-1971 M38A1 1953-1967 CJ3B 1955-1971 CJ5 1955-1971 CJ6
HPS Performance 57-1873-BLK Throttle Body Coolant Hose Kit, 3-Ply Reinforced Silicone, Replaces Rubber Throttle Body Coolant Hoses
Shafers Classic Reproductions BHH400 1958-1965 Chevrolet Full-Size By-Pass Hose Clamps
Shafers Classic Reproductions BPH400 1958-1964 Chevrolet Full-Size By-Pass Hose