Dayco 72448 Curved Radiator Coolant Hose

The Dayco 72448 is a premium curved radiator hose engineered to deliver OE-quality performance and reliable cooling system operation. Constructed from durable EPDM (Ethylene Propylene Diene Monomer) rubber, this molded hose provides the exact fit of an original equipment part for precise installation and leak-free operation.

Key Features:

• EPDM rubber construction for superior durability and chemical resistance
• Knitted rayon reinforcement provides maximum burst strength and long service life
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Resists oil, mud, salt, road debris, ozone, and coolant additives
• Withstands temperature extremes from -40°F to +257°F (-40°C to +125°C)
• 1-3/16 inch inside diameter on both ends for secure connection
• Electro-chemical resistant to prevent inner tube deterioration from static buildup
• Precision-molded curved design for exact OE fitment

This lower radiator hose is manufactured in the United States and backed by a 1-year manufacturer warranty. The curved design ensures proper routing and eliminates kinking, while the EPDM material provides excellent flexibility without flattening or collapsing under operating conditions. Cross-references to OEM part number Honda 19502-RZA-A01 and aftermarket equivalents including Gates 23389, NAPA 16128, ACDelco 24638L, and Duralast E72448.