Dayco 72457 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72457

The Dayco Curved Radiator Hose 72457 is designed to provide reliable coolant flow for Chrysler, Dodge, and Volkswagen vehicles. Specifically compatible with models such as the Grand Caravan, Routan, and Town & Country, this radiator coolant hose ensures proper engine temperature regulation.

• Constructed from durable EPDM material for heat and chemical resistance
• Dual inside diameter design with 1 3/8 inch and 1 1/2 inch ends
• Black color for standard OEM appearance
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 17 1/2 inches for precise fitment

Detailed Product Description

The Dayco Curved Radiator Hose 72457 is engineered from EPDM (ethylene propylene diene monomer) rubber, a material known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a dual inside diameter design, with one end measuring 1 3/8 inches and the other 1 1/2 inches, allowing it to connect different sized radiator fittings securely. The black hose is free of heat shields and protective sleeves, focusing on a straightforward, durable design that meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards for coolant hoses. With a trunk height of 17 1/2 inches, it fits precisely in the cooling system layout of compatible vehicles.

About the Curved Radiator Hose Product Line

The Curved Radiator Hose line from Dayco is tailored to provide reliable coolant hose solutions with specific bends and diameters to match OEM configurations. This product line focuses on delivering hoses that maintain coolant flow integrity while fitting the unique routing requirements of various vehicle models. The 72457 part is a representative example, designed to meet exacting standards for Chrysler, Dodge, and Volkswagen applications.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chrysler Grand Caravan, Dodge Routan, and Volkswagen Town & Country
• Resolving coolant leaks caused by hose degradation or improper fit
• Preventing engine overheating due to compromised coolant flow
• Addressing hose swelling or softening from heat exposure
• Ensuring proper coolant system pressure and flow with correct hose dimensions

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72457, ensure the hose ends match the radiator and engine fittings by verifying the 1 3/8 inch and 1 1/2 inch inside diameters. Inspect hose clamps and replace if necessary to maintain a secure seal. Avoid twisting or stretching the hose during installation to preserve its integrity. Confirm the hose routing matches the original path to prevent contact with moving parts or excessive heat sources.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72457 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material provides durability against heat and chemical exposure typical in automotive cooling systems. Warranty details should be confirmed with the original equipment manufacturer or supplier, as Dayco typically offers coverage against manufacturing defects.