... EPDM, Silicone,NBR, NR,CR etc. 2/various coolant hose,radiator hose 3/reasonable price and good quality Technical specifications of the ... auto engine coolant hose:1) Usage category: for charge air, coolant and water ... .0mm~9mm8) Polyester reinforced:1ply9) Packaging: high standard packaged10) In accordance with the standards of SAE J20 ,SAE J2378,GM6140M ...