Gates 51793 Radiator Coolant Hose - Lower
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Gates
 Molded Coolant Hose

Gates 51793 Radiator Coolant Hose - Lower

Brand Gates 51793
Position Lower
Material Epdm, plastic
End 1 Inside Diameter .7
End 1 Inside Diameter 18
End 2 Inside Diameter .7
End 2 Inside Diameter 18
Contains Spring No
Centerline Length 26.58
Centerline Length 37
Centerline Length 675
End 3 Inside Diameter 1.4
End 4 Inside Diameter 1.58
End 4 Inside Diameter 40
Branch Quantity 2
9839 Yes
9845 1
9940 Yes
9942 2 branches, female quick connector
Product line Molded Coolant Hose
Fits Ford and Lincoln · 17 vehicles

OE-style modular design. Built with integrated branches and quick-connectors for a direct-fit coolant hose replacement.

EPDM and plastic construction. Combines durable hose material with molded components for a secure coolant path.

Molded coolant hose. Engineered as a radiator coolant hose with a modular assembly layout.

Cross-references Gates 51793, 5461343 and F12066 for the same application. See all 7.

$94.41Free shipping
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Order total $94.41
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Radiator Coolant Hose options

Gates 51793 Molded Coolant Hose Overview

The Gates 51793 molded coolant hose is built for lower radiator hose service on select Ford and Lincoln trucks and SUVs. It follows application-specific OE-style routing and integrates molded features that match the original cooling system layout.

Made from EPDM and plastic, this radiator coolant hose is shaped for the correct centerline length and end dimensions needed for a direct replacement on the listed vehicles. Gates 51793 is a practical choice when replacing a worn lower coolant hose on an Expedition, Navigator, or F-150.

Key Features

  • Gates Molded Coolant Hose line for application-specific cooling system replacement
  • EPDM and plastic construction for coolant system service
  • Lower radiator coolant hose design
  • Centerline length: 26.58 in. / 675 mm / 37 in.
  • End 1 inside diameter: 0.7 in. / 18 mm
  • End 2 inside diameter: 0.7 in. / 18 mm
  • End 3 inside diameter: 1.4 in.
  • End 4 inside diameter: 1.58 in. / 40 mm
  • Branch quantity: 2
  • No spring included

Product Line Details

Gates Molded Coolant Hose assemblies are built for specific vehicle applications and follow OE-style layouts that can include molded branches, quick-connectors, sensors, and restrictors where required by the original design. This approach helps maintain the factory hose routing and connection points used in the cooling system.

Detailed Description

Use Gates 51793 when replacing the lower radiator coolant hose on 2018-2022 Ford Expedition, 2018-2021 Lincoln Navigator, and 2019-2020 Ford F-150. It also fits 2017-2018 Ford F-150 with trailer tow package. The molded shape, branch configuration, and connector-style features are matched to the listed applications for proper cooling system routing. This part cross-references Ford service numbers HL3Z 8286 B and HL34 8286 ED for the same application.

Common Problems This Hose Can Address

  • Coolant leaks from a cracked or aged lower hose
  • Softening, swelling, or collapse of the hose under heat and pressure
  • Improper hose routing after a previous repair
  • Damaged molded branches or connector sections
  • Cooling system service needs on the lower radiator circuit

Installation Notes and Tips

Confirm the vehicle year, make, model, and lower hose routing before installation. Inspect adjoining clamps, connectors, and mating surfaces for wear or contamination, and verify that the hose follows the original path without twist or tension. On 2017-2018 Ford F-150 applications, confirm trailer tow package fitment before ordering.

Quality Assurance

Gates is a recognized automotive aftermarket supplier in modular coolant hose assemblies, and this hose is manufactured to application-specific OE-style requirements for the listed vehicles.

  • Fits 2018-2022 Ford Expedition, lower
  • Fits 2018-2021 Lincoln Navigator, lower
  • Fits 2019-2020 Ford F-150, lower
  • Fits 2017-2018 Ford F-150, lower, w/ trlr. tow. pkg.

Related reading

This part fits 17 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2022FordExpedition3.5LV6GASLowerMolded Coolant Hose
2021FordExpedition3.5LV6GASLowerMolded Coolant Hose
2021LincolnNavigator3.5LV6GASLowerMolded Coolant Hose
2020FordExpedition3.5LV6GASLowerMolded Coolant Hose
2020FordF-1503.5LV6GASLowerMolded Coolant Hose
2020FordLobo3.5LV6GASLowerMolded Coolant Hose
2020LincolnNavigator3.5LV6GASLowerMolded Coolant Hose
2019FordExpedition3.5LV6GASLowerMolded Coolant Hose
2019FordF-1503.5LV6GASLowerMolded Coolant Hose
2019FordLobo3.5LV6GASLowerMolded Coolant Hose
2019LincolnNavigator3.5LV6GASLowerMolded Coolant Hose
2018FordExpedition3.5LV6GASLowerMolded Coolant Hose
2018FordF-1503.5LV6GASLowerW/Trlr. Tow. Pkg.; Molded Coolant Hose
2018FordLobo3.5LV6GASLowerW/Trlr. Tow. Pkg.; Molded Coolant Hose
2018LincolnNavigator3.5LV6GASLowerMolded Coolant Hose
2017FordF-1503.5LV6GASLowerW/Trlr. Tow. Pkg.; Molded Coolant Hose
2017FordLobo3.5LV6GASLowerMolded Coolant Hose
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — 517935461343F12066HL3Z 8286 BHL34 8286 EDKM5485R16606