Dayco 71641 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71641

The Dayco Curved Radiator Hose 71641 is designed to provide reliable coolant flow for select Chevrolet, Kia, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a single inside diameter of 1 1/4 inch on both ends
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Curved design suitable for specific radiator coolant routing
• Trunk height of 12 inches for proper fitment

Detailed Product Description

The Dayco Curved Radiator Hose 71641 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 consistent 1 1/4 inch inside diameter on both ends, making it compatible with radiator systems requiring this size. The black hose does not include a heat shield or protective sleeve, focusing on straightforward, durable construction. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it adheres to industry requirements for coolant hoses. The 12-inch trunk height supports proper installation and routing in the engine bay.

About the Curved Radiator Hose Product Line

Dayco's Curved Radiator Hose line is designed to accommodate specific radiator coolant pathways that require a bent or curved hose shape. This product line focuses on delivering hoses that maintain coolant flow integrity while fitting the contours of various engine compartments. The 71641 part number is part of this line, providing a reliable curved hose solution for compatible vehicles.

Compatible Vehicles and Common Applications

• Chevrolet Lumina radiator coolant system maintenance
• Kia Sephia cooling system hose replacement
• Oldsmobile Cutlass Supreme radiator hose repair
• Pontiac Grand Prix coolant hose replacement
• Pontiac Spectra radiator coolant flow restoration

Installation Notes and Tips

• Ensure the hose diameter matches the radiator and engine fittings (1 1/4 inch)
• Inspect surrounding components for wear before installation
• Use proper clamps to secure the hose and prevent leaks
• Verify the hose routing matches the original to avoid kinks or stress points
• Replace any damaged clamps or connectors during installation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71641 to meet SAE specifications, ensuring durability and performance under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry standards for quality and reliability.