Dayco 71703 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71703

The Dayco Curved Radiator Hose 71703 is designed to provide reliable coolant flow for select Buick, Cadillac, Chevrolet, and Kia vehicles. Engineered with durable EPDM material and a protective sleeve, this radiator coolant hose ensures consistent performance under demanding conditions.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Single inside diameter hose with 1 9/32 inch ends on both sides
• Includes a protective sleeve for added durability
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Buick Caprice, Cadillac Fleetwood, Chevrolet Impala, Roadmaster, Commercial Chassis, and Kia Spectra, Spectra5

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to match specific vehicle cooling system layouts. This product line emphasizes durability and fitment accuracy, reducing the risk of leaks and coolant loss. The 71703 part is a single inside diameter hose designed to meet stringent SAE standards, ensuring compatibility and performance for the listed vehicle models.

Detailed Product Description

This radiator coolant hose features EPDM construction, known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. Both ends have an inside diameter of 1 9/32 inches, providing a consistent seal and fit. The hose includes a protective sleeve to guard against abrasion and external damage, although it does not contain a heat shield. Its trunk height measures 23, accommodating the specific routing requirements of compatible vehicles.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator hoses in Buick Caprice and Cadillac Fleetwood models
• Addressing coolant leaks caused by hose degradation in Chevrolet Impala and Roadmaster vehicles
• Maintaining proper coolant flow in Kia Spectra and Spectra5 cooling systems
• Preventing overheating issues related to compromised radiator hoses
• Ensuring compliance with SAE specifications for coolant hose performance

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to avoid burns. Inspect hose connections and clamps for corrosion or damage and replace if necessary. Confirm that the hose routing matches the original to prevent kinks or interference with other engine components. Use appropriate clamps to secure the hose ends firmly, maintaining a leak-free seal.

Quality Assurance and Warranty

Dayco radiator hoses are manufactured to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring reliable performance and durability. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls to support long-term vehicle operation.