Dayco 88399 Heater Hose Made with a tough EPDM rubber compound this hose will resist the detrimental effects of heat, ozone and impacts from road debris Highly resistant to electro-chemical degradation this hose meets SAE J20R4, Class D1 and SAE J1684 Type EC specifications Made with a protective sleeve that protects contact areas against abrasion and heat The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture Limited Three Year Warranty