Gates 22353 Hose - 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)