Dayco 71385 Radiator Coolant Hose - Lower or Upper

Overview of Dayco Curved Radiator Hose 71385

The Dayco Curved Radiator Hose 71385 is designed to provide reliable coolant flow for select Chevrolet, Dodge, GMC, and Plymouth vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and efficient heat resistance for your radiator system.

• Constructed from high-quality EPDM material for durability and heat resistance
• Dual inside diameter hose with 1 1/4 inch and 1 7/16 inch ends for precise fitment
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height of 18 1/4 inches suitable for specific vehicle applications

Detailed Product Description

The Dayco Curved Radiator Hose 71385 is a radiator coolant hose designed to meet the demanding requirements of cooling systems in various Chevrolet, Dodge, GMC, and Plymouth models. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring long service life. The dual inside diameter design features one end measuring 1 1/4 inches and the other 1 7/16 inches, allowing for a secure and leak-free 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 standards, confirming its suitability for automotive coolant applications.

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 maintain coolant flow efficiency while fitting tightly within engine compartments of trucks and vans. The 71385 part number is part of this line, offering a tailored fit for vehicles requiring a curved hose with precise diameter transitions.

Compatible Vehicles and Common Applications

• Chevrolet C1500, C1500 Suburban, C2500, C2500 Suburban, C3500
• Dodge Caravan, Grand Caravan, Grand Voyager, Voyager
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500
• Plymouth Grand Voyager

Issues Addressed by Dayco Radiator Coolant Hose 71385

• Prevents coolant leaks caused by cracked or worn hoses
• Maintains proper coolant flow to avoid engine overheating
• Replaces hoses with incorrect diameter or fitment issues
• Resists degradation from heat and coolant chemicals
• Eliminates coolant system failures due to hose collapse or swelling

Installation Notes and Tips

• Ensure the hose ends match the radiator and engine fittings (1 1/4 inch and 1 7/16 inch inside diameters)
• Inspect clamps and replace if worn to secure the hose properly
• Check for proper routing to avoid kinks or contact with moving parts
• Drain coolant before removal to prevent spills
• Verify compatibility with your specific Chevrolet, Dodge, GMC, or Plymouth model before installation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71385 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. The EPDM material provides resistance to heat and chemical exposure typical in automotive cooling systems. Warranty coverage details should be confirmed with the original equipment manufacturer or supplier, as Dayco typically offers limited warranties against defects in material and workmanship.