Dayco 72478 Curved Radiator Hose OE-Style Coolant Hose

The Dayco 72478 is a factory-molded, OE-style curved radiator coolant hose engineered to deliver a precise, drop-in fit for modern, tighter-fitting engine compartments. Manufactured from synthetic EPDM rubber with knitted rayon reinforcement, this hose is built to maintain the integrity of your vehicle's cooling system for the long haul.

Key Features:

• OE-Quality Construction: Factory-molded design matches original equipment specifications for correct routing and fitment
• EPDM Rubber Compound: Provides superior resistance to ozone, coolants, and coolant additives
• Knitted Rayon Reinforcement: Delivers maximum strength and burst resistance throughout the service life of the hose
• Wide Temperature Range: Rated for temperatures from -40°F (-40°C) up to +257°F (+125°C)
• SAE Compliant: Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
• Electrochemical Degradation (ECD) Resistant: Meets SAE J1684 Type EC requirements, eliminating premature inner tube deterioration caused by static electric charge buildup
• Collapse Resistant: Reinforced construction prevents splitting, ballooning, and elongation under vacuum conditions
• Black Finish: 3 mm nominal wall thickness

The Dayco 72478 is a direct OE-grade replacement for Gates 23075, ACDelco 24650L, CARQUEST 23075, Duralast E72478, Goodyear 66397, and NAPA 9740. Sold as a single hose.