Gates 21503 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21503

The Gates Molded Coolant Hose 21503 is designed for reliable cooling system performance in Ford vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures a precise fit and long-lasting service for Ford Bronco, F-150, F-200, F-250, and F-350 models.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for exact fit and secure installation
• End 1 inside diameter: 1.5 inches (38 mm)
• End 2 inside diameter: 1.75 inches (44 mm)
• Centerline length: 26.8 inches (681 mm)
• Contains no internal spring, ensuring smooth coolant flow
• Compatible with multiple Ford truck and SUV models

Detailed Product Description

The Gates Molded Coolant Hose 21503 is a radiator coolant hose specifically molded to meet the exact specifications required by Ford vehicles such as the Bronco and F-Series trucks including the F-150, F-200, F-250, and F-350. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity under demanding operating conditions. The molded construction eliminates the need for additional clamps or fittings, providing a secure and leak-resistant connection. With an inside diameter of 1.5 inches (38 mm) on one end and 1.75 inches (44 mm) on the other, and a centerline length of 26.8 inches (681 mm), this hose is designed to fit precisely within the cooling system layout of the specified Ford models.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering pre-formed hoses that match OEM specifications for various vehicle applications. These hoses are molded to exact dimensions, reducing installation time and improving reliability by minimizing the risk of leaks or improper fit. The Molded Coolant Hose 21503 is part of this line, offering a direct replacement solution for Ford trucks and SUVs requiring a durable and precisely shaped radiator coolant hose.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Ford Bronco and F-Series trucks
• Prevention of coolant leaks caused by hose degradation or improper fit
• Restoration of proper coolant flow to avoid engine overheating
• Elimination of hose collapse or swelling under pressure
• Ensuring compatibility with factory cooling system components

Installation Notes and Tips

• Verify hose dimensions and fitment with your specific Ford model before installation
• Ensure cooling system is cool and depressurized prior to hose removal
• Inspect hose connections and clamps for wear and replace if necessary
• Lubricate hose ends with coolant or water to ease installation
• Check for leaks after installation and during initial engine operation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21503 is manufactured to meet stringent quality standards for durability and performance. The EPDM material and molded design contribute to a reliable cooling system component. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects to ensure customer confidence in their products.