Details

• Brand:

  

  

• SKU:

  JL3Z-7A031-B

• Other Names:

  Tube

• Description:

  This genuine Ford JL3Z-7A031-B is the automatic transmission oil cooler outlet tube and hose assembly for the 2018 through 2020 Ford F-150, cataloged by Ford as Hose - Oil Cooler, the outlet line on the transmission cooling circuit. It routes automatic transmission fluid between the transmission and the cooler so heat generated by the ten speed automatic is carried away and the fluid is returned at a controlled temperature, which is essential to clutch life and consistent shift quality, especially during towing and heavy load operation. This assembly combines rigid tube sections with flexible hose and the correct end fittings and seals to connect the cooler circuit. Owners replace it when the tube corrodes, a fitting weeps, the hose section swells or splits, or a connector seal leaks, symptoms of which include transmission fluid drips under the front of the truck, low fluid level, and in severe cases overheating or a burnt fluid smell. A leaking cooler line can starve the transmission of fluid and lead to internal damage if ignored, so prompt replacement protects the gearbox. Ford has superseded this line through later suffix revisions, so installing the correct current service part ensures proper routing and sealing. Use fresh sealing O-rings where fitted, refill with the specified Motorcraft transmission fluid, and check for leaks after installation. As a genuine Ford component it matches the factory bends, length, and fitting sizes for a direct fit without adapting or reforming, preserving the cooling performance the F-150 driveline requires.

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