Dayco 72405 Radiator Coolant Hose - Upper - Filler Neck To Engine

Overview of Dayco Curved Radiator Hose 72405

The Dayco Curved Radiator Hose 72405 is designed specifically for Nissan Altima models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this dual inside diameter hose ensures a secure fit and long-lasting performance.

• Made from high-quality EPDM material for heat and chemical resistance
• Dual inside diameter design: 1 5/16" and 1 3/8" ends for precise fitment
• Black color with protective sleeve for added durability
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Compatible with Nissan Altima models requiring a curved radiator coolant hose

Detailed Product Description

The Dayco Curved Radiator Hose 72405 is engineered to meet the cooling system demands of Nissan Altima vehicles. Featuring a dual inside diameter hose type, it connects components with end diameters of 1 5/16 inches and 1 3/8 inches, ensuring a precise and leak-free seal. The hose’s EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity under varying operating conditions. Additionally, the hose includes a protective sleeve to guard against abrasion and premature wear, although it does not contain a heat shield. The outside diameters of 1 5/8 inches and 1 21/32 inches correspond to the respective ends, facilitating proper installation and compatibility.

Application and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Nissan Altima vehicles
• Prevention of coolant leaks caused by hose degradation or improper fit
• Restoration of proper coolant flow to maintain engine temperature regulation
• Mitigation of overheating issues related to compromised radiator hoses
• Addressing hose swelling or softening due to chemical exposure or heat

Installation Notes and Tips

• Ensure the hose ends match the specified inside diameters (1 5/16" and 1 3/8") for a secure fit
• Inspect hose clamps and replace if necessary to prevent leaks
• Verify that the protective sleeve is intact and properly positioned during installation
• Check for clearance around the hose to avoid contact with moving parts or sharp edges
• Follow vehicle manufacturer guidelines for coolant system maintenance during replacement

Quality Assurance and Warranty

Dayco’s Curved Radiator Hose line, including part number 72405, adheres to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring compliance with industry standards for radiator coolant hoses. The EPDM material and protective sleeve contribute to the hose’s durability and resistance to environmental factors. While specific warranty details are not provided, Dayco products typically meet rigorous quality control standards to support reliable vehicle operation.

About the Dayco Curved Radiator Hose Line

The Dayco Curved Radiator Hose product line is designed to provide precise fitment and durability for cooling system applications requiring curved hose configurations. This line focuses on delivering hoses that accommodate varying diameters at each end, such as the dual inside diameter design found in part 72405. By using EPDM material and protective sleeves, the Curved Radiator Hose line aims to offer resistance to heat, chemicals, and abrasion, making it suitable for vehicles like the Nissan Altima that demand reliable coolant hose performance.