Dayco 71704 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71704

The Dayco Curved Radiator Hose 71704 is designed specifically for Cadillac models including Allante, DeVille, Eldorado, and Seville. This radiator coolant hose features a durable EPDM construction and a consistent 1 1/4 inch inside diameter on both ends, ensuring reliable coolant flow and fitment.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 Inside Diameter: 1 1/4 inch
• End 2 Inside Diameter: 1 1/4 inch
• Hose Type: Single inside diameter hose
• SAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC compliant
• Trunk Height: 28 mm
• Compatible with Cadillac Allante, DeVille, Eldorado, and Seville

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses engineered to meet specific vehicle cooling system requirements. This product line emphasizes precise fitment and material quality, using EPDM rubber that withstands high temperatures and exposure to automotive fluids. The 71704 hose is part of this line, providing a curved design that facilitates proper routing in Cadillac cooling systems without the need for modifications.

Detailed Product Description

The Dayco 71704 radiator coolant hose is constructed from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have a uniform inside diameter of 1 1/4 inches, making it a single i.d. hose suitable for consistent coolant flow. The hose does not include a heat shield or protective sleeve, which is typical for this type of radiator hose application. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The trunk height of 28 mm supports proper clearance and fitment within the engine bay of compatible Cadillac models.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Cadillac Allante, DeVille, Eldorado, and Seville
• Resolving coolant leaks caused by hose degradation
• Preventing overheating due to compromised coolant flow
• Maintaining proper coolant system pressure and routing
• Addressing hose swelling or softening from heat exposure

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to avoid burns. Inspect hose clamps and replace if corroded or damaged. Verify the hose routing matches the original to prevent kinks or interference with other engine components. Lubricate hose ends with a small amount of coolant or water to ease installation. After installation, check for leaks and proper coolant flow during engine warm-up.

Quality Assurance and Warranty

Dayco radiator hoses are manufactured to meet SAE specifications, ensuring durability and performance in automotive cooling systems. While specific warranty details for part number 71704 are not provided, Dayco products typically come with manufacturer-backed quality assurance. It is recommended to consult the product packaging or Dayco’s official resources for warranty information.