Product Description
Gates 23578 Molded Coolant Hose
- Specifically-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation – the leading cause of hose failure
- EPDM tube; synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
- Manufactured with OEM-exact hose components (quick connects, branch connectors/tees, sensors, etc.)
- Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID, SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
Molded Coolant Hose Gates Molded Coolant Hose is Manufactured to Fit Specific Applications Recommend for upper lower by-pass heater and other coolant hose applications Heat and ozone resistant cover Engineered to resist electrochemical degradation - the leading cause of hose failure Re-engineered materials resist vacuum collapse; this reduces the need for internal springs in many applications SAE 20R4 and 20R3 Type EC Class D-1 and D-2 specifications Temperature rating: -40° F to 275° F (-40° C to 135° C) in coolant hose applications Note: Gates recommends replacing standard worm drive and spring loaded clamps with Gates PowerGrip SB Clamps each time a new coolant hose is installed. Caution: Do not use for fuel or oil transfer applications









