Gates 20639 Premium Molded Coolant Hose - High Performance Cooling System Replacement Part for Cars, Trucks & SUVs - Perfect for Engine Overheating Prevention & Cooling System Maintenance

Our Molded Coolant Hoses are manufactured to fit upper, lower, bypass, heater and other coolant applications with OEM-quality specifications, saving you time, money and energy from going to your OE dealer for radiator hose replacements. Gates' molded coolant hose line is the most comprehensive line on the replacement market.

Specifically-engineered materials resist collapse under vacuum

Engineered to resist electrochemical degradation, the leading cause of hose failure

Pre-shaped to fit and to ensure perfectly sealed conditions

EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover

Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)