This item will fit specific models of Buick ,Chevrolet ,GMC ,Oldsmobile ,Pontiac . Please ensure correct part fitment before purchasing this product. Contact the seller directly for additional product information and availability. Radiator Coolant Hose. Curved Radiator Hose. Dayco Molded Radiator and ByPass Hose with knitted reinforcement and all synthetic EPDM rubber construction provides the high strength and resistance to oil mud salt road debris ozone coolants and temperature variations of 40F 40C to 257F 125C that are required for OEM hose replacements. The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose. In addition to meeting SAE J20R4 Class D1 requirements this hose is now designed to meet Type EC electrochemical requirements as specified in SAE J1684 which prevents inner tube deterioration caused by the build up of static electric charges.