Gates 51853 Radiator Coolant Hose - Upper

Gates 51853 Upper Molded Coolant Hose

The Gates 51853 molded coolant hose is built for upper radiator routing on select Ford Super Duty trucks. It follows application-specific OE-style dimensions and integrates the connector style needed for a direct-fit cooling system repair.

Key Features

• Brand: Gates Molded Coolant Hose line
• Part number: 51853
• Material: EPDM and plastic
• End 1 inside diameter: 1.44 in. (37 mm)
• End 2 inside diameter: 1.77 in. (45 mm)
• Centerline length: 20.5 in. (520 mm)
• Female quick connector at one end
• No spring included
• Upper hose position

Product Details

Gates 51853 is a molded radiator coolant hose engineered for specific vehicle routing and OE-style fitment. The Gates Molded Coolant Hose product line is built around application-specific assemblies that can incorporate factory-style features such as branches, quick-connectors, sensors, and restrictors where required. This hose is listed for 2017-2022 Ford F-250 Super Duty and 2017-2022 Ford F-350 Super Duty upper coolant hose applications. If you are replacing a worn upper hose on a Ford F-250 Super Duty or Ford F-350 Super Duty, part number 51853 provides the correct molded shape and connector configuration for the listed vehicles.

This part cross-references Ford HC3Z 8260 A and KM5473 for the same application.

Common Repair Reasons

• Coolant seepage at the hose body or connector
• Cracking, swelling, or softening from heat cycling
• Damaged quick connector connection at the upper radiator hose
• Incorrect hose routing after a previous repair
• Loss of cooling system integrity on the upper hose circuit

Installation Notes

Verify the hose routing, connector style, and end diameters before installation. Inspect mating fittings, clamps, and nearby cooling system components for wear or contamination, and replace any damaged sealing surfaces before installing the new hose. Confirm the hose is seated fully and routed without kinks or contact with hot or moving parts.

Quality Assurance

Gates is a recognized supplier in the automotive aftermarket cooling hose segment, and this molded hose is manufactured to application-specific specifications for the listed Ford Super Duty fitments. Confirm vehicle year, model, and upper hose position against the part number 51853 before ordering.