Dayco 71285 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71285

The Dayco Curved Radiator Hose 71285 is designed to provide reliable coolant flow for select Chevrolet, GMC, and Jeep vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and long-lasting performance in demanding cooling system applications.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 1/2 inch and 1 3/4 inch ends for precise fitment
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Black color for standard OEM appearance
• Trunk height of 18 1/2 inches suitable for specific radiator configurations

Detailed Product Description

The Dayco Curved Radiator Hose 71285 is a dual inside diameter hose designed to meet the cooling system requirements of various Chevrolet, GMC, and Jeep models, including C10, C20, C1500, C2500, K10, K20, K1500, K2500, R10, R20, R1500, R2500, V10, V1500, and Wrangler. Made from EPDM (ethylene propylene diene monomer), this hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability and longevity under typical engine operating conditions.

This hose features a curved design to accommodate specific radiator and engine bay layouts, with end diameters of 1 1/2 inch and 1 3/4 inch to provide a secure and leak-resistant connection. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its suitability for automotive coolant systems. The black color maintains a factory-style appearance without additional protective sleeves or heat shields.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dual inside diameters to fit specific vehicle cooling system configurations. This product line is engineered to replace original equipment hoses that require exact curvature and size variations, ensuring proper coolant flow and system integrity. The 71285 part number is a representative example designed for compatibility with multiple Chevrolet, GMC, and Jeep models.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet C/K series trucks
• Addressing coolant leaks caused by hose degradation in GMC R-series vehicles
• Restoring proper coolant flow in Jeep Wrangler cooling systems
• Preventing overheating issues due to compromised radiator hose integrity
• Ensuring secure hose connections with dual inside diameter design

Installation Notes and Tips

• Verify hose end diameters (1 1/2 inch and 1 3/4 inch) match vehicle radiator and engine fittings
• Inspect surrounding components for wear or damage before installation
• Use appropriate clamps to secure hose ends and prevent leaks
• Ensure hose routing follows original equipment path to avoid kinks or interference
• Allow engine to cool before removing old hose to prevent injury

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71285 to meet SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are designed for reliable service life in automotive cooling systems.