Five Eighth Inch Heater Hose Built Heavy Duty 10 Foot EPDM Radiator Coolant Line for Water Circulation 300 PSI Working Pressure High Temperature Range Minus 40 to 257 Fahrenheit UV Resistant Durable Engine Cooling Hose

Heavy-Duty 5/8 in Heater Hose for High-Temp Coolant Flow
✔️ 5/8 in ID EPDM hose, 10 ft (3048 mm), 300 PSI, -40°F to 257°F

This heavy-duty heater hose is designed for engine cooling systems, ideal for radiator connections, heater cores, overflow reservoirs, and general coolant circulation in cars, trucks, and industrial machinery.

✅ Durable EPDM rubber construction resists heat, water, steam, and UV radiation
✅ 300 PSI working pressure supports demanding coolant circuits
✅ 5/8 in inner diameter fits standard clamps and fittings
✅ Suitable for radiator hoses, heater cores, overflow tanks, and heating loops
✅ Wide temperature range from -40°F to 257°F (-40°C to 125°C)

💡 What is a heater hose used for in automotive cooling systems?

It's a handy, widely used hose that carries coolant between the radiator, heater core, and engine, built to handle high temps and exposure.

- Keeps coolant moving to regulate engine temperature in daily driving and heavy-duty work - EPDM material provides strong UV resistance and long service life - Designed for high-pressure coolant flow up to 300 PSI - Easily cut to length and clamped with standard hose clamps for quick installs