Gates 21045 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21045

The Gates Molded Coolant Hose 21045 is designed specifically for Ford trucks, including Bronco, F-100, F-150, F-250, and F-350 models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Molded design for precise fit and secure installation
• End 1 inside diameter: 1.5 inches (38 mm)
• End 2 inside diameter: 1.75 inches (44 mm)
• Centerline length: 15.4 inches (391 mm)
• Contains no internal spring, ensuring smooth coolant flow
• Compatible with Ford Bronco, F-100, F-150, F-250, and F-350

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line features hoses that are precisely molded to match OEM specifications, providing a reliable and leak-resistant connection within the cooling system. This product line focuses on durability and fitment accuracy, making it suitable for various Ford truck models requiring dependable radiator coolant hoses.

Detailed Product Description

This radiator coolant hose, part number 21045, is engineered from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. The molded construction ensures the hose maintains its shape and fits securely between the radiator and engine components. With an inside diameter of 1.5 inches (38 mm) on one end and 1.75 inches (44 mm) on the other, it accommodates specific radiator and engine connections. The 15.4-inch (391 mm) centerline length is designed to match the routing requirements of Ford Bronco and F-Series trucks, ensuring proper coolant flow without kinks or leaks.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses on Ford Bronco and F-Series trucks
• Prevention of coolant leaks caused by hose degradation
• Restoration of proper coolant circulation to avoid engine overheating
• Elimination of hose collapse or swelling under pressure
• Ensuring secure connections without the need for internal springs

Installation Notes and Tips

• Verify compatibility with your specific Ford model and engine before installation
• Inspect hose clamps and replace if worn to ensure a tight seal
• Drain coolant system before removing the old hose to prevent spills
• Ensure the hose is routed without twists or sharp bends to maintain flow
• Check for leaks after installation and during initial engine operation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21045 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to long service life under normal operating conditions. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship.