Details

• Brand:

  

  

• SKU:

  W506568-S439

• Positions: Front
• Other Names:

  Mount Arm Bolt, Bolt

• Description:

  This genuine Ford M14 front insulator bolt is used in chassis and driveline mounting on 07-17 Ford and Lincoln full-size SUVs, including the Expedition and Navigator, where it appears in differential and mount-arm attachment locations. The bolt clamps an insulator or mounting arm to the frame or carrier, isolating vibration while holding the assembly in precise alignment so driveline and suspension loads transfer smoothly. A stretched, corroded, or under-torqued bolt at this position can let the mount shift, producing a clunk over bumps, a driveline vibration, or premature wear of the rubber insulator. Owners replacing a worn differential mount, an insulator, or a mounting bracket commonly renew this heavy fastener because the correct grade and clamp load are critical to keeping the assembly located under load. Manufactured to Ford specifications for the proper thread pitch, grade, and protective finish, this bolt matches the original equipment part for strength and corrosion resistance in an exposed undercarriage location. Always torque to the value listed in the Ford workshop manual for the specific mount, and follow any specified tightening sequence or thread-locking requirement. Confirm fitment against your VIN and the Ford parts catalog before ordering, since this M14 insulator bolt is shared across several chassis mounting points on these platforms and should be matched to the exact location being serviced.

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