Dayco 71766 Radiator Coolant Hose - Upper or Upper - Pipe To Radiator

Durable Curved Radiator Hose for Chrysler, Dodge, Mazda, and Mitsubishi

The Dayco Curved Radiator Hose 71766 is engineered to provide reliable coolant flow for select Chrysler, Dodge, Mazda, and Mitsubishi vehicles. Designed with precision, this radiator coolant hose ensures proper fitment and performance for models like the Cirrus, Lancer, RX-8, Sebring, and Stratus.

• Constructed from EPDM material for heat and chemical resistance
• Dual inside diameter design: 1 1/4 inch and 1 3/8 inch ends
• Black color for standard OEM appearance
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 14 inches for optimal routing
• Part number 71766 ensures exact replacement fit

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses with precise bends and dual inside diameters to accommodate specific radiator and engine connections. This design helps maintain proper coolant flow and fitment in complex engine bays, reducing the risk of leaks or hose failure. The 71766 model exemplifies this approach, tailored for multiple vehicle makes and models requiring a curved hose with varying end diameters.

Product Details and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its durability against heat, ozone, and coolant chemicals. The dual inside diameter ends measure 1 1/4 inch and 1 3/8 inch, allowing it to connect different sized fittings securely. The hose does not include a heat shield or protective sleeve, so proper installation away from extreme heat sources is recommended. Its black color matches OEM standards, and the 14-inch trunk height supports routing in tight engine compartments. Compliance with SAE J20R4 Class D-1 and SAE J1684 Type EC standards ensures the hose meets industry requirements for coolant hoses.

Common Applications and Problem Solving

• Replacement for cracked or leaking radiator coolant hoses on Chrysler Cirrus and Dodge Stratus
• Restores proper coolant flow in Mazda RX-8 and Mitsubishi Lancer cooling systems
• Addresses hose swelling or hardening due to age or heat exposure
• Prevents coolant leaks that can cause engine overheating
• Ensures secure connections with dual inside diameter ends for varied fittings

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71766, ensure the hose is routed without kinks or sharp bends beyond its designed curve. Verify that the 1 1/4 inch and 1 3/8 inch ends match the radiator and engine fittings respectively. Use appropriate clamps to secure the hose ends and check for leaks after installation. Avoid contact with high heat sources since this hose does not include a heat shield or protective sleeve.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71766 to meet SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to Dayco’s official documentation for exact warranty terms.