Details

• Brand:

  

  

• SKU:

  W708312-S442

• Positions: Outer, Outer Inner, Inner Outer, Inner
• Other Names:

  Back Glass Wiper Arm Nut, Nut Hex

• Description:

  This genuine Ford nut, part number W708312-S442, is a wiper arm nut used across many Ford models from roughly 09-20 to secure the windshield wiper arm to its splined drive pivot. It threads onto the pivot shaft to clamp the wiper arm onto the splines, transmitting motor torque to the blade and holding the arm at its set park position. Buyers look for this nut after replacing a wiper arm, transmission linkage, or motor, since the original nut is often corroded or lost and the arm will not stay clamped without it. A loose or missing wiper arm nut lets the arm slip on the splines, causing the blade to sweep the wrong area, chatter, or stop in the wrong park position. Ford lists this as a genuine fastener, and using the OEM nut ensures the correct thread and clamp so the arm grips the splines fully. Installing the proper nut restores reliable wiper sweep and correct park. Seat the wiper arm fully on the splines at the correct angle, then torque the nut to the specified value so the arm cannot slip, and confirm the blade parks correctly through a full wipe cycle before finishing.

• Replaces:

  W708312S309, W708312S441

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