Dayco 72281 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 72281

The Dayco Curved Radiator Hose 72281 is designed for reliable coolant flow in select Chrysler and Dodge vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures a precise fit and long-lasting performance for models like the Chrysler 300, Dodge Challenger, Charger, and Magnum.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameter design: 1 7/16 inches and 1 21/32 inches
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Black color for standard OEM appearance
• Trunk height of 21 inches for proper routing and fitment

Detailed Product Description

The Dayco Curved Radiator Hose 72281 is a radiator coolant hose specifically designed to meet the cooling system requirements of Chrysler and Dodge vehicles, including the Chrysler 300, Dodge Challenger, Charger, and Magnum. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability under demanding engine conditions. The dual inside diameter (i.d.) hose features two different end sizes—1 7/16 inches and 1 21/32 inches—allowing for a secure and precise connection between radiator components. This hose does not include a heat shield or protective sleeve but meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its suitability for automotive coolant systems. The 21-inch trunk height supports proper installation and routing within the engine bay.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to accommodate complex radiator and cooling system layouts. This product line is engineered to deliver reliable coolant flow and fitment accuracy for various vehicle applications. The 72281 part number is a representative example, designed to meet OEM standards for Chrysler and Dodge models requiring a curved hose with dual i.d. ends.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chrysler 300, Dodge Challenger, Charger, and Magnum
• Resolving coolant leaks caused by hose degradation or improper fit
• Preventing overheating issues 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

• Verify hose dimensions and fitment with your vehicle’s cooling system before installation
• Ensure all clamps and connections are secure to prevent leaks
• Inspect surrounding components for wear or damage during replacement
• Drain coolant system safely before removing the old hose
• Check for proper routing to avoid kinks or contact with hot engine parts

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72281 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material and construction provide resistance to heat, ozone, and coolant chemicals. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality assurance to support reliable performance in compatible Chrysler and Dodge vehicles.