Dayco 71858 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71858

The Dayco Curved Radiator Hose 71858 is designed for reliable coolant flow in Chrysler, Dodge, and Plymouth vehicles. Specifically compatible with Caravan, Grand Caravan, Grand Voyager, and Voyager models, this radiator coolant hose ensures proper engine temperature regulation.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Both ends have a 1 1/4 inch inside diameter for consistent coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type with a trunk height of 12 1/4 inches

Detailed Product Description

The Dayco Curved Radiator Hose 71858 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 curved design that matches the original equipment specifications for Chrysler, Dodge, and Plymouth Caravan and Voyager series vehicles. Both ends of the hose have an inside diameter of 1 1/4 inches, ensuring a secure and leak-free connection to the radiator and engine fittings. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, which define performance requirements for coolant hoses in automotive applications. The trunk height of 12 1/4 inches supports proper routing within the engine bay without kinking or interference.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dimensions to match specific vehicle cooling system layouts. This product line is designed to replace original equipment hoses that require a curved shape for optimal fit and function. The 71858 part number is part of this line, offering a direct replacement solution for compatible Chrysler, Dodge, and Plymouth models.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Prevention of coolant leaks that can cause engine overheating
• Restoration of proper coolant flow in Chrysler Caravan and Voyager cooling systems
• Addressing hose swelling or softening due to heat exposure
• Ensuring secure hose connections with correct inside diameter fittings

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71858, ensure the hose is routed without sharp bends or twists that could restrict coolant flow. Verify that both ends fit snugly on the radiator and engine fittings with the 1 1/4 inch inside diameter. Use appropriate clamps to secure the hose and prevent leaks. Inspect surrounding components for wear or damage during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71858 to meet industry SAE standards, ensuring durability and performance under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to strict quality control processes to support reliable vehicle operation.