Gates 21818 Radiator Coolant Hose - Heater To Water Pump

Overview of Gates Molded Coolant Hose 21818

The Gates Molded Coolant Hose 21818 is designed specifically for Ford Aerostar vehicles, providing reliable radiator coolant flow. Constructed from durable EPDM and plastic materials, this molded hose ensures consistent performance under typical engine cooling system conditions.

• Material: EPDM and plastic for heat and chemical resistance
• End 1 and End 2 Inside Diameter: 0.62 inches (16 mm)
• Centerline Length: 50.25 inches (1276 mm)
• Molded design with one branch for precise fitment
• No spring reinforcement or quick connect fittings included

Details on the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses that match original equipment specifications. These hoses are molded to exact shapes to fit specific vehicle cooling systems, reducing installation complexity and improving coolant flow efficiency. The 21818 part is a modular hose with a branch, designed to integrate seamlessly into the Ford Aerostar radiator system.

Technical Description of Part Number 21818

This radiator coolant hose features a molded construction using EPDM and plastic, materials known for their resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 0.62 inches (16 mm), ensuring compatibility with the Ford Aerostar's cooling system connections. The hose measures 50.25 inches (1276 mm) along the centerline, including a single branch to accommodate system routing requirements. The absence of springs and quick connect fittings indicates a straightforward installation with standard clamps.

Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses on Ford Aerostar models
• Resolving coolant leaks caused by hose degradation or damage
• Maintaining proper coolant flow to prevent engine overheating
• Ensuring secure hose connections without spring reinforcement
• Supporting modular cooling system configurations with branch hose design

Installation Notes and Tips

• Verify hose dimensions and branch location against the vehicle’s cooling system layout
• Use appropriate clamps to secure hose ends with 0.62 inch (16 mm) inside diameter fittings
• Inspect surrounding components for wear or damage during installation
• Ensure coolant system is depressurized and cooled before removal and installation
• Check for leaks after installation and during initial engine operation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21818 is manufactured to meet OEM standards for durability and performance. The use of EPDM and plastic materials provides resistance to heat and coolant chemicals, contributing to long service life. While specific warranty details are not provided, Gates products typically adhere to industry quality controls and are backed by manufacturer support for defects in material and workmanship.