Five Eighth Inch Heater Hose, 10 Feet Long EPDM Double Spiral Radiator Coolant Line For Water, Antifreeze And Fuel Systems, Heavy Duty Flexible Hose, SAE J20R3 D2, 100 PSI Working Pressure, ID Five Eighth Inch

Heavy-Duty 5/8in Heater Hose, Single 10 ft EPDM Radiator
✔️ 100 PSI working pressure; 300 PSI burst; SAE J20R3 D2 rated

This heavy-duty heater hose is designed for automotive and industrial cooling systems, routing coolant between the engine, heater core, and radiator. It is ideal for cars, trucks, and equipment needing reliable hot water and antifreeze transfer.

✅ ID 5/8 in (16 mm); OD 0.94 in (24 mm); Length 10 ft
✅ Material: premium EPDM with two spiral layers
✅ Temperature range: -40°F to 257°F ( -40°C to 125°C)
✅ Pressure rating: 100 PSI working, 300 PSI burst; SAE J20R3 D2
✅ Applications: coolant, water, antifreeze, radiator connections

💡 What is a heater hose used for in engine cooling systems? This handy hose carries coolant between the engine, heater core, and radiator to keep temps stable and prevent overheating. - It supports cold starts and hot runs by handling wide temperature ranges
- Its EPDM construction with dual spiral reinforcement adds flexibility and longevity
- SAE J20R3 D2 compliance ensures compatibility with standard automotive cooling systems
- Works with antifreeze, water, and other common coolants in cars and larger vehicles