Dayco 71300 Radiator Coolant Hose - Lower - Pipe To Radiator or Upper

Overview of Dayco Curved Radiator Hose 71300

The Dayco Curved Radiator Hose 71300 is designed to provide reliable coolant flow for select Ford, Mercury, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with curved design
• End 1 inside diameter: 1 1/4 inches; End 2 inside diameter: 1 1/2 inches
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 18 1/2 inches for precise fitment

Detailed Product Description

The Dayco Curved Radiator Hose 71300 is a single inside diameter hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a curved design tailored to fit specific coolant routing requirements in vehicles such as the Ford Taurus, Mercury Sable, and Pontiac LeMans. The hose ends measure 1 1/4 inches and 1 1/2 inches inside diameter respectively, ensuring compatibility with the corresponding radiator and engine fittings. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems. The hose does not include a heat shield or protective sleeve, focusing on a straightforward, durable design.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line is designed to accommodate specific coolant system layouts requiring a curved hose shape for proper fitment and routing. This product line emphasizes material quality and dimensional accuracy to maintain coolant flow integrity and prevent leaks. The 71300 part is a representative example, engineered to meet OEM specifications for select Ford, Mercury, and Pontiac models.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Ford Taurus and Mercury Sable
• Addressing coolant leaks caused by hose degradation in Pontiac LeMans
• Resolving improper coolant flow due to incorrect hose fitment or shape
• Preventing overheating issues related to compromised radiator hoses
• Maintaining engine cooling system integrity in vehicles requiring a curved hose design

Installation Notes and Tips

• Ensure the hose ends match the specified inside diameters (1 1/4" and 1 1/2") for proper sealing
• Inspect surrounding components for wear or damage before installation
• Use appropriate clamps to secure the hose and prevent leaks
• Verify coolant system pressure and temperature ratings are compatible with SAE J20R4 Class D-1 standards
• Replace coolant and bleed the system after installation to avoid air pockets

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71300 to meet stringent SAE specifications, ensuring durability and performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Users should consult product documentation or authorized sources for warranty information.