Gates 23759 Radiator Coolant Hose - Heater (Lower)

Gates 23759 Molded Coolant Hose for Fiesta

Gates 23759 is a molded radiator coolant hose built for specific vehicle applications and shaped to match OE-style routing. It is made from EPDM, plastic, and steel, and includes a female quick connector for a direct-fit connection at the heater circuit.

Compatible with 2011-2019 Ford Fiesta heater (lower) applications, this molded coolant hose supports the factory-style layout used in the cooling system. Gates Molded Coolant Hose products are engineered around application-specific dimensions and integrated OE components, making them a practical replacement for the original hose assembly.

Key Features

• Part number: 23759
• Brand: Gates Molded Coolant Hose
• Radiator coolant hose for heater (lower) routing
• Application-specific molded construction
• EPDM, plastic, and steel materials
• Female quick connector integrated into the hose assembly
• End 1 inside diameter: 0.98 in. (25 mm)
• End 2 inside diameter: 0.98 in. (25 mm)
• Centerline length: 14.625 in. (371 mm)

Product Details

Gates 23759 is a modular coolant hose designed for the 2011-2019 Ford Fiesta heater (lower) position. The molded shape helps maintain the original hose path, while the integrated quick connector supports the OE-style connection point used in the cooling system. This part cross-references Ford 8V21 18K579 AA and Gates 16477 for the same application.

The Gates Molded Coolant Hose line is built for vehicle-specific fitment and incorporates essential OE-style components where required, such as connectors and molded branches. For Fiesta cooling system service, part number 23759 provides a direct replacement format that matches the factory hose layout.

Common Problems This Hose Can Address

• Coolant leakage from a cracked or aged heater hose
• Softening, swelling, or collapse of the original hose
• Damaged quick connector at the heater circuit
• Improper hose routing after prior repair work
• Cooling system service on a Ford Fiesta with a worn lower heater hose

Installation Notes and Tips

Verify the vehicle year, engine configuration, and hose routing before installation. Confirm the female quick connector engagement point and inspect mating surfaces for wear, corrosion, or residue before connecting the new hose. After installation, refill and bleed the cooling system according to factory procedure and check for leaks at operating temperature.

Quality Assurance

Gates is a recognized automotive aftermarket supplier with a focus on application-specific coolant hose assemblies. Part number 23759 is manufactured to follow OE-style specifications for the listed Ford Fiesta fitment.