Details

• Brand:

  

  

• SKU:

  AL1Z-4214-A

• Positions: Front
• Other Names:

  Side Gear Washer, Spring

• Description:

  This genuine Ford differential side gear thrust washer is a front-axle differential internal component used in Ford F-150, Expedition, and Lincoln Navigator four-wheel-drive applications. Ford catalogs it as a Side Gear Washer. It seats behind each differential side gear inside the front carrier, setting the correct running clearance and backlash between the side gears and the pinion spider gears while absorbing the axial thrust those gears generate as the differential transfers torque and lets the front wheels turn at different speeds. As mileage accumulates the thrust washer wears, which opens up side-gear clearance and lets the gears chatter or bind; a driver may notice a clunk or ratcheting on tight turns, a whine or growl from the front differential, or metallic debris on the differential fill plug. Because it controls gear mesh, this washer is renewed whenever the front differential is opened for gear, bearing, or seal service, and correct thickness is essential to restore proper backlash. This factory washer returns the differential to its designed clearances. Confirm the axle model and the washer thickness your application requires before installation, as several thicknesses are used to set backlash correctly.

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