Gear Front Output (ATC13-1)

This gear is the critical connection point between your transfer case and the front driveshaft. Its job is to ensure that power is transferred smoothly and uniformly from the transfer case to the front axle, maintaining the balance required for the xDrive system to function correctly.

Yes, it’s very possible. If the teeth on the front output gear are worn or damaged, you might experience jerking, vibrations, or a clicking noise during acceleration. These symptoms often indicate that the power transfer to the front wheels is no longer uniform.

This specific part is designed for the ATC13-1 transfer case. You should verify the transfer case type via your vehicle’s VIN or by checking the identification tag on the transfer case housing itself before purchasing.

Absolutely. Replacing the specific worn gear is a cost-effective way to restore your driveline without the high expense of a complete transfer case assembly. However, it does require opening the unit, so professional installation is recommended.

Common causes include lack of lubrication, aggressive driving, or high mileage. When the splines or gear teeth wear down, the connection to the driveshaft becomes loose, leading to the performance issues you might be noticing.