Dayco 71611 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71611

The Dayco Curved Radiator Hose 71611 is designed for reliable coolant flow in select Nissan and INFINITI 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 1 5/16 inch ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 7 inches for precise fitment
• Compatible with Nissan 200SX, G20, NX, Sentra and INFINITI models

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses shaped to fit specific radiator and engine configurations. This product line emphasizes precise dimensions and material standards to maintain coolant system integrity. The 71611 part exemplifies this approach with its curved design and consistent inside diameter, ensuring proper coolant flow and fitment in compatible Nissan and INFINITI vehicles.

Technical Description and Specifications

This radiator coolant hose features a single inside diameter of 1 5/16 inches on both ends, facilitating a secure connection to the cooling system components. Made from EPDM, the hose resists heat, ozone, and coolant chemicals, which helps extend service life. It does not include a heat shield or protective sleeve, making it suitable for applications where additional protection is not required. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Nissan 200SX, G20, NX, Sentra, and INFINITI models
• Prevention of coolant leaks caused by hose degradation
• Restoration of proper coolant flow to avoid engine overheating
• Addressing hose swelling or softening due to heat exposure
• Resolving fitment issues with curved radiator hose configurations

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Verify that the hose ends match the 1 5/16 inch inside diameter connections on your vehicle. Inspect clamps and replace if necessary to secure the hose properly. The 7-inch trunk height should align with the original hose routing to avoid kinks or stress points. Proper installation will maintain coolant system pressure and prevent leaks.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71611 to meet strict SAE specifications, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Using this hose helps maintain the integrity of the cooling system in compatible Nissan and INFINITI vehicles.