Dayco 72364 Lower Curved Radiator Coolant Hose

The Dayco 72364 is a precision-molded lower radiator hose engineered for factory-fit replacement in automotive cooling systems. This curved radiator hose features a single I.D. design with 1.5-inch inner diameter connections at both ends, providing reliable coolant flow between the radiator and engine block.

Construction and Materials:

• EPDM (ethylene propylene diene monomer) rubber construction for superior durability
• Knitted rayon reinforcement in the inner base tube for maximum burst resistance
• Black finish with molded curved design for precise routing
• 1.5-inch inside diameter on both ends (1 27/32-inch outside diameter)

Performance Features:

• Meets SAE J20R4 Class D-1 specifications for automotive cooling systems
• Complies with SAE J1684 Type EC electro-chemical requirements to prevent inner tube deterioration
• Resists deterioration from ozone, coolants, coolant additives, oil, mud, and salt exposure
• Withstands temperature variations from -40°F to +257°F (-40°C to +125°C)
• Designed to prevent splitting, ballooning, and elongation under pressure

This molded coolant hose delivers OEM-quality performance and fit for demanding engine cooling applications, ensuring long service life and reliable coolant system operation.

Cross References: Gates 23139, ACDelco 20461S, CARQUEST 23139, NAPA 3L500, GM 21999765, GM 25769587