Details

• Brand:

  

  

• SKU:

  W716343-S440

• Positions: Right Outer, Right Inner, Right Lower, Left Outer, Left Inner, Left Lower, Rear Outer, Rear Inner, Rear Lower, Inner Outer, Inner, Inner Lower, Outer, Outer Inner, Outer Lower, Lower Outer, Lower Inner, Lower
• Other Names:

  Outer Tie Rod Nut, Lateral Arm Nut, Trailing Arm Nut, Trailing Arm Retainer Nut, Inner Tie Rod Nut, Steering Tie Rod Nut, Lower Control Arm Nut, Idler Arm Retainer Nut, Nut

• Description:

  This is a genuine Ford trailing arm lock nut, a self-locking nut built on the HN1 base that Ford dealer catalogs list under several names including Trailing Arm Lock Nut, Lateral Arm Nut, Idler Arm Retainer Nut, and Tie Rod Nut, all referring to the same multi-role suspension and steering fastener. It threads onto a bolt or stud and clamps a suspension arm or steering linkage firmly in place, with its locking feature resisting loosening under road load and vibration. This is a single-use fastener: it must not be reused or reinstalled once removed, and a new nut must be fitted whenever the joint is serviced so the locking feature and correct clamp load are restored. You will find it used across a range of Ford and Lincoln applications including F-350 Super Duty, Fusion, Mustang including Shelby, Continental, MKX, and Nautilus, with applications spanning a broad range of model years. These are representative examples rather than a complete list. A loose, missing, or reused-and-failed lock nut lets the suspension arm or steering linkage shift, which causes knocking or clunking, a vague or wandering feel, alignment changes, uneven tire wear, and is a safety concern in steering and suspension positions. Because this is a torque-sensitive, single-use self-locking fastener, always replace it with the correct genuine nut and torque it to the Ford specification. Confirm the correct nut for your specific vehicle and position against your VIN before ordering.

• Notes: Part cannot be reused/reinstalled.

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