Gates
Molded Coolant Hose

Gates 51920 Radiator Coolant Hose - Upper

Brand Gates 51920
Position Upper
Material Epdm, plastic
End 1 Inside Diameter 1.54
End 1 Inside Diameter 39
End 2 Inside Diameter 1.54
End 2 Inside Diameter 39
Contains Spring No
Centerline Length 12.6
Centerline Length 320
Branch Quantity 1
9839 Yes
9845 2
9940 Yes
9942 Branch, 2 female quick connectors, outlet
Product line Molded Coolant Hose
Fits BMW · 1 vehicle

Molded coolant hose. Engineered for modular coolant assemblies with integrated OE-style components.

EPDM and plastic construction. Combines durable hose material with molded plastic sections for a precise fit.

Quick-connect design. Includes two female quick connectors and an outlet branch.

Cross-references Gates 51920, Genuine 17127578399 and F11334 for the same application. See all 4.

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Gates 51920 Molded Coolant Hose for BMW 528i

The Gates 51920 molded coolant hose is built for a direct-fit radiator cooling system repair on the 2011 BMW 528i, upper position. It follows OEM-style routing and integrates application-specific features for a precise replacement in the engine cooling circuit.

Key Features

  • Brand: Gates Molded Coolant Hose line
  • Part number: 51920
  • Fits 2011 BMW 528i, upper
  • EPDM and plastic construction for coolant system use
  • Centerline length: 12.6 in. (320 mm)
  • End 1 inside diameter: 1.54 in. (39 mm)
  • End 2 inside diameter: 1.54 in. (39 mm)
  • Branch quantity: 1
  • Includes molded branch and two female quick connectors per application design

Product Details

Gates Molded Coolant Hose 51920 is part of the Gates modular coolant hose family, which is engineered for specific vehicle applications and built to mirror OE-style hose layouts. For the BMW 528i, this upper radiator coolant hose uses molded EPDM and plastic construction and incorporates application-specific integrated components such as a branch and quick-connect features to match the original cooling system configuration.

This part cross-references Genuine 17127578399 for the same application. If you are searching for a BMW 528i upper radiator hose, Gates 51920 provides a direct replacement option for the 2011 model year.

Common Cooling System Issues It Can Address

  • Cracked or leaking upper radiator hose
  • Coolant loss from aged molded hose material
  • Improper hose routing after prior repair
  • Damaged quick-connect interface at the hose connection points
  • Cooling system service on a 2011 BMW 528i

Installation Notes and Tips

Confirm the hose routing, connector style, and upper-position layout before installation. Compare the original hose to the Gates 51920 to verify branch location, end diameters, and molded shape. Drain coolant as needed, inspect mating fittings for wear or residue, and replace any damaged seals or connectors during service if required by the vehicle’s cooling system design.

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 BMW fitment.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2011BMW528i3.0LL6GASUpperMolded Coolant Hose
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — 51920Genuine — 17127578399F11334R19772