Details

• Brand:

  

  

• SKU:

  MB3Z-3254-B

• Positions: Front Rear
• Other Names:

  Rear Seal, Pinion Seal, Seal Assembly Oil

• Description:

  This is a genuine Ford OEM differential pinion oil seal for the 2021 through 2023 Ford Bronco. Part number MB3Z-3254-B is the seal that prevents differential gear oil leakage at the pinion yoke or flange where the driveshaft attaches to the differential. The seal includes a precision metal case, primary sealing lip with garter spring, and dust lip designed to retain heavy gear oil and exclude water, dust, and road debris over the operating temperature range and rotational speeds of the Bronco rear differential. Replacement is required when the original seal is leaking gear oil, indicated by oil pooling at the pinion or wetness at the yoke face, after differential service that disturbed the seal, or after pinion yoke replacement. Installation requires draining the differential, removing the driveshaft and pinion yoke, prying out the old seal without damaging the housing bore, cleaning the bore, installing the new seal squarely using the correct installer tool, and reassembling with proper pinion preload and gear oil per Ford service information. Genuine Ford service part shipped from authorized Ford dealer.

• Notes: Included with differential carrier.
• Replaces:

  mb3z3254a

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