Dayco 70448 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 70448

The Dayco Curved Radiator Hose 70448 is designed for reliable coolant flow in select Ford, Mercury, and Oldsmobile vehicles. Engineered with durable EPDM material, this dual inside diameter hose supports efficient engine cooling for models like the Ford Thunderbird and Oldsmobile Cutlass.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 3/4 inch and 2 1/16 inch for precise fitment
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Black color for standard OEM appearance
• Trunk height of 12 1/2 inches to accommodate curved routing

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to match factory configurations. This ensures proper coolant flow and fitment in vehicles requiring non-linear hose routing. The 70448 part exemplifies this with its curved design and dual i.d. ends, making it suitable for applications where a straight hose would not fit correctly.

Technical Description and Attributes

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. The dual inside diameter design features one end measuring 1 3/4 inches and the other 2 1/16 inches, allowing it to connect different sized fittings securely. The hose does not include a heat shield or protective sleeve, so it is intended for installations where additional protection is not required. Its trunk height of 12 1/2 inches supports the curved shape necessary for proper routing in engine compartments.

Compatible Vehicles and Applications

• Ford Thunderbird coolant system maintenance
• Mercury Marauder radiator hose replacement
• Oldsmobile Cutlass and Colony Park cooling system repairs
• Replacement for radiator coolant hoses requiring dual inside diameter and curved design
• Addressing coolant leaks or hose degradation in specified Ford, Mercury, and Oldsmobile models

Installation Notes and Tips

Ensure the hose is routed without kinks or sharp bends beyond its designed curve to maintain coolant flow. Verify the inside diameters match the radiator and engine fittings before installation. Use appropriate clamps to secure each end firmly. Inspect the surrounding area for heat sources since this hose does not include a heat shield. Regularly check for signs of wear or leaks after installation.

Quality Assurance and Warranty

Dayco manufactures this radiator hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring compliance with industry standards for coolant hoses. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality assurance to support durability and performance in automotive cooling systems.