Dayco 70040 Lower Radiator Hose

The Dayco 70040 is a precision-molded lower radiator hose designed to provide reliable coolant transfer in automotive cooling systems. This hose is engineered to meet OE specifications and deliver long-lasting performance in demanding engine environments.

Construction and Materials:

• Synthetic EPDM rubber construction for superior durability
• Knitted reinforcement provides maximum strength and burst resistance
• Meets SAE J20R4, Class D-2 requirements for quality assurance
• Black finish for a clean, professional appearance

Performance Features:

• Resists splitting, ballooning, and elongation under pressure
• Withstands extreme temperature variations from -40°F to +257°F
• Excellent resistance to ozone, coolants, and environmental elements
• Designed to prevent premature deterioration and failure
• High strength performance for the life of the hose

As a lower radiator hose, the Dayco 70040 is precision-engineered to provide an exact fit replacement for the original equipment hose, ensuring proper coolant flow and system operation without modifications or adjustments.