Gates 51893 HVAC Heater Hose - Heater To Valve or Reservoir To Engine

Gates Molded Coolant Hose for Ford Super Duty

Gates 51893 is a molded HVAC heater hose built for specific Ford Super Duty applications. It follows OEM-style routing and integrates the connection style needed for the listed reservoir-to-engine and heater-to-valve positions on select Ford F-250 Super Duty and Ford F-350 Super Duty trucks.

Key Features

• Brand: Gates Molded Coolant Hose line
• Part number: 51893
• Material construction: EPDM, plastic, and steel
• End 1 inside diameter: 18 mm (.72 in)
• End 2 inside diameter: 18 mm (.72 in)
• Centerline length: 348 mm (13.71 in)
• Female quick connector at the specified connection point
• OEM-style molded layout for application-specific routing

Product Details

Gates 51893 is part of the Gates Molded Coolant Hose product line, which is built around application-specific hose assemblies that mirror original equipment routing and connection requirements. This hose is used in select Ford F-250 Super Duty and Ford F-350 Super Duty models where the factory layout calls for a molded coolant hose with integrated connection features rather than a universal straight hose. The design supports the correct fitment for reservoir-to-engine and heater-to-valve locations listed below.

This part cross-references Ford OE-style numbers such as 5C3Z 18472 F and 5C34 18K573 FA for the same application.

Vehicle Fitment

• Fits 2006-2007 Ford F-250 Super Duty, reservoir to engine
• Fits 2003-2004 Ford F-250 Super Duty, reservoir to engine
• Fits 2006-2007 Ford F-350 Super Duty, reservoir to engine
• Fits 2003-2004 Ford F-350 Super Duty, reservoir to engine
• Fits 2005 Ford F-250 Super Duty, heater to valve, w/valve
• Fits 2005 Ford F-350 Super Duty, heater to valve, w/valve

Common Repair Uses

• Replacing a cracked or leaking molded coolant hose
• Restoring proper coolant routing between the reservoir and engine
• Addressing heater hose leakage at the valve connection
• Correcting fitment issues caused by damaged quick-connector style ends
• Repairing heat- and age-related hose deterioration in the cooling system

Installation Notes and Tips

Verify the vehicle year, engine bay routing, and connection style before installation. Match the hose to the listed position, especially on 2005 Ford F-250 Super Duty and Ford F-350 Super Duty models with a valve connection. Inspect adjoining fittings, clamps, and mating surfaces for wear or contamination before installing the new hose.

Quality Assurance

Gates is a recognized aftermarket supplier of modular coolant hose assemblies, and this hose is manufactured to application-specific OE-style requirements for the listed Ford Super Duty fitments.