Details

• Brand:

  

  

• SKU:

  W711336-S441

• Positions: Left, Right
• Other Names:

  Engine Mount Nut, Nut

• Description:

  This is a genuine Ford engine mount and support insulator nut, an M14 prevailing-torque flanged nut used on the Super Duty F-350, F-450, and F-550 from roughly the 11 model year onward, including diesel Power Stroke applications. The Ford catalog name for this part is Motor Mount Nut, also referenced as an engine support insulator nut. It secures the engine mount or support insulator to its bracket or crossmember, holding the powertrain located against torque reaction, vibration, and chassis flex. Built to Ford's thread, hardness, and locking specification, it maintains the correct clamp load on a mounting point that carries the weight and torque of a heavy-duty engine. This is a single-use, consumable fastener: prevailing-torque nuts on powertrain mounts should be replaced rather than reused so the locking feature and preload remain correct. A buyer typically needs this nut when replacing a worn or oil-soaked engine mount, when the original is corroded, or after engine or mount service that required loosening the insulator. Fitting the proper original nut keeps the engine isolated and aligned the way the factory intended, which protects driveline angles and prevents added vibration. The nut is supplied new and genuine to Ford specification. Always confirm the exact mounting position and torque sequence against the service information for your specific Super Duty before installation, and inspect the insulator and bracket for wear or oil contamination while the fastener is out.

• Notes: Part cannot be reused/reinstalled.

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