Gates 23139 Premium Molded Coolant Hose

The Gates 23139 Premium Molded Coolant Hose is designed for optimal performance in various coolant applications, including upper, lower, bypass, and heater hoses. Manufactured with specifically-engineered materials, this hose resists collapse under vacuum and is engineered to withstand electrochemical degradation, which is a leading cause of hose failure. The EPDM tube features synthetic fiber knit reinforcement and a heat-, ozone-, and chemical coolant-resistant EPDM cover, ensuring durability and reliability. This molded hose meets the requirements of SAE 20R4, class D2 and DIN 73411, class A, making it a top choice for those seeking OEM-quality replacements. • Specifically-engineered materials resist collapse under vacuum • Engineered to resist electrochemical degradation, the leading cause of hose failure • Pre-shaped to fit and ensure perfectly sealed conditions • EPDM tube with synthetic fiber knit reinforcement • Heat-, ozone-, and chemical coolant-resistant EPDM cover • Meets SAE 20R4, class D2 and DIN 73411, class A requirements