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. Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances) EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover Engineered to resist electrochemical degradation, the leading cause of hose failure Specifically-engineered materials resist collapse under vacuum Pre-shaped to fit and to ensure perfectly sealed conditions Note: Gates recommends replacing hose clamps each time a new coolant hose is installed Caution: Do not use for fuel or oil transfer applications Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C) Package Weight: 1.076 lb Package Quantity: 1 UPC: 770075320036 Centerline Length: 20.3 IN Contains Spring: No End 1 Inside Diameter: 1.78 IN End 1 Inside Diameter: 45 MM End 2 Inside Diameter: 1.78 IN End 2 Inside Diameter: 45 MM Material: EPDM Modular: No Molded: Yes Quick Connect Fitting Quantity: 0 Country of Origin: US