Dayco 71530 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71530

The Dayco Curved Radiator Hose 71530 is designed specifically for Dodge D250, D350, W250, and W350 models. This radiator coolant hose features a dual inside diameter design and is constructed from durable EPDM material to withstand typical engine cooling system demands.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 Inside Diameter: 2 inches
• End 2 Inside Diameter: 2 5/16 inches
• Hose Type: Dual inside diameter hose
• Trunk Height: 9 1/2 inches
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Does not include heat shield or protective sleeve

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line is engineered to provide precise fitment and reliable performance for specific vehicle applications. This product line focuses on hoses with curved designs that accommodate unique engine bay layouts, ensuring proper coolant flow and secure connections. The 71530 part exemplifies this with its dual inside diameter ends and EPDM construction, tailored for Dodge truck models requiring this specific hose configuration.

Product Description and Specifications

The Dayco 71530 radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. The hose features a dual inside diameter design, with one end measuring 2 inches and the other 2 5/16 inches, allowing it to connect different sized fittings securely. Its black color and 9 1/2 inch trunk height provide a standard appearance and fitment. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses on Dodge D250, D350, W250, and W350 trucks
• Resolving coolant leaks caused by hose degradation or improper fit
• Maintaining proper coolant flow and preventing overheating due to hose failure
• Addressing fitment issues where dual inside diameter hoses are required
• Ensuring compliance with OEM specifications for cooling system components

Installation Notes and Tips

When installing the Dayco 71530 radiator hose, ensure the hose ends match the corresponding radiator and engine fittings by verifying the inside diameters of 2 inches and 2 5/16 inches. Use appropriate clamps to secure the hose and prevent leaks. Inspect the cooling system for any additional worn components during installation. Avoid twisting or stretching the hose excessively to maintain its integrity and fit.

Quality Assurance and Warranty

Dayco manufactures the 71530 radiator coolant hose to meet SAE specifications, providing assurance of material and performance standards. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality guarantees. Users should consult the product packaging or Dayco directly for warranty information related to this part.