Details

• Brand:

  

  

• SKU:

  W520116-S441

• Positions: Rear, Left, Right
• Other Names:

  Leaf Spring Nut, Nut Hex

• Description:

  This genuine Ford hex nut is used in rear suspension and chassis assemblies on Ford vehicles, including applications such as the Econoline Super Duty, where it secures suspension hardware to the frame and related brackets. It threads onto a stud or bolt to deliver the clamp load that keeps suspension components located and torqued under the heavy loads and constant flexing these vans and trucks experience. When a suspension fastener loosens, the vehicle can develop a clunk over bumps, uneven handling, or accelerated wear at the joint, and renewing the correct nut restores a secure, properly clamped connection. Because it lives on the underbody exposed to water, salt, and road grit, the nut uses the proper grade and corrosion-resistant finish so it maintains its grip and remains serviceable for future repairs. Built to Ford specifications for thread pitch, size, and finish, it matches the original equipment fastener so it seats squarely without cross-threading or stripping the mating stud. Always torque to the value listed in the Ford workshop manual for the specific suspension location, and inspect the stud and mating surface for damage before reassembly. Confirm fitment against your VIN and the Ford parts catalog before ordering, since this hex nut is shared across several rear suspension and chassis attachment points and should be matched to the exact joint being serviced.

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