Dayco 72957 Upper Curved Radiator Coolant Hose

The Dayco 72957 is a precision-molded curved radiator coolant hose engineered to deliver OE-quality cooling system performance. This upper radiator hose features advanced synthetic EPDM rubber construction with knitted reinforcement for superior strength and durability.

Key Features:

• Knitted rayon-reinforced inner tube for maximum burst resistance
• Synthetic EPDM rubber construction resists oil, mud, salt, road debris, and ozone
• Withstands extreme temperature variations from -40°F to +257°F (-40°C to +125°C)
• Meets SAE J20R4 Class D-1 requirements for quality assurance
• Meets SAE J1684 Type EC electro-chemical requirements to prevent inner tube deterioration
• Protective sleeve guards against abrasion and damage
• Precision curved design ensures proper OE fitment

Dayco coolant hoses are designed to meet or exceed original equipment specifications, providing reliable cooling system performance for the life of the hose. The curved profile allows for efficient coolant flow while maintaining structural integrity under high-pressure conditions.