Details

• Brand:

  

  

• SKU:

  N1MZ-3A329-A

• Positions: Inner
• Other Names:

  Inner Shaft, Shaft

• Description:

  This is the genuine Ford N1MZ-3A329-A intermediate shaft for the front driveshaft assembly on 20-25 Ford Explorer and Police Interceptor Utility models equipped with all-wheel drive. Per multiple Ford dealer catalogs, the shaft serves as the linking member between the front output of the power transfer unit (PTU) and the front differential or constant velocity joints on the AWD driveline. The intermediate shaft includes the splined ends or CV joint terminations required to transmit drive torque without binding through the suspension travel range of the front axle. Common failure modes include CV joint failure (clicking on turns, vibration under load), splined end wear (driveline lash and clunk on throttle transitions), and shaft bending or imbalance from impact or driveshaft hanger bearing failure. Replacement requires removing the front skid plate, supporting the front subframe as required, and disconnecting the shaft at both ends per the workshop manual driveline removal procedure. New driveshaft mounting hardware including bolts and any single-use locking nuts must be installed during reassembly to maintain proper preload and prevent driveshaft separation. Wheel alignment may need verification after driveshaft service since some procedures involve loosening of subframe-related fasteners. This is the genuine Ford service part backed by the OEM warranty.

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