Details

• Brand:

  

  

• SKU:

  MB3Z-4209-B

• Positions: Rear
• Other Names:

  Ring & Pinion, Gear And Pinion Assembly Driving

• Description:

  This genuine Ford ring and pinion is a factory-matched drive gear and pinion assembly for the axle of the 2021-2024 Ford Bronco, cataloged by Ford as a driving gear and pinion assembly. The ring gear and pinion are lapped together at the factory as a matched pair and transfer engine torque from the driveshaft into the differential while establishing the axle final drive ratio. Because the two gears are matched, they must always be installed together and set up with the correct pinion depth, bearing preload, and backlash, verifying the gear tooth contact pattern before final assembly. Drivers replace a ring and pinion when the axle develops a howl or whine that changes with acceleration and deceleration, when the gear teeth are chipped, pitted, or worn from lubricant breakdown or hard use, or when changing the final drive ratio. This assembly fits the 2021-2024 Bronco with the 2.3L, 2.7L, or 3.0L gasoline engine. New pinion and carrier bearings and a fresh crush sleeve or shim pack should be used during installation, and the differential should be refilled with the specified gear oil and any required friction modifier. Confirm the axle final drive ratio for your vehicle before ordering.

• Applications: W/LOCKING DIFFERENTIAL.

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