Dayco 72917 Upper Radiator Coolant Hose

The Dayco 72917 is a premium molded upper radiator hose designed to deliver reliable cooling system performance. Engineered as a direct OEM replacement, this hose features professional-grade construction built to withstand the demanding conditions of modern engine cooling systems.

Advanced Construction Features:

• Synthetic EPDM rubber compound for superior durability and chemical resistance
• Knitted rayon reinforcement for maximum strength and burst resistance
• Protective sleeve guards against abrasion from engine components
• Molded curved design ensures precise fit and proper coolant flow
• Meets SAE J20R4 Class D-1 standards for quality assurance
• Meets SAE J1684 Type EC electro-chemical requirements to prevent inner tube deterioration

Exceptional Performance:

• Withstands extreme temperature variations from -40°F to +257°F (-40°C to +125°C)
• Resists oil, mud, salt, road debris, ozone, and all common coolant types
• Prevents splitting, ballooning, and elongation throughout service life
• Black EPDM material provides professional appearance

This upper radiator hose connects the engine to the radiator, playing a critical role in maintaining proper engine temperature. The precision-molded design ensures a secure fit without requiring modification, making installation straightforward for professional technicians and DIY mechanics alike.