Details

• Brand:

  

  

• SKU:

  PC3Z-3D677-A

• Other Names:

  Seal

• Description:

  This genuine Ford steering coupling boot is the protective seal that fits at the lower steering column where the intermediate shaft passes through the firewall and joins the steering gear coupling, keeping road spray, dust, heat, and moisture out of the joint while allowing the shaft to move. Ford catalogs the part as a Steering Coupling Boot or Seal, and it is used on Super Duty trucks built with a manual-adjust or power-adjust column that is not equipped with active steering. Over time this rubber boot hardens, cracks, tears, or slips out of position from underhood heat cycling and age, which lets water and grit reach the coupling and can lead to corrosion, a notchy or squeaking steering feel, and accelerated wear of the shaft joint. A driver searching for this part is often chasing a water leak or draft at the firewall, a torn boot found during service, or noise from the lower column, and replacing the seal restores the barrier that keeps the coupling clean and quiet. Because the correct version depends on the column configuration, confirm whether the truck has a manual-adjust or power-adjust column and that it is built without active steering before ordering. This component fits F-250, F-350, and larger Super Duty trucks across the 2023 to 2026 model years. Seat the boot fully over the shaft and coupling so it locates in its groove and seals completely, and inspect the coupling and shaft for existing corrosion while the boot is off. As a genuine Ford part it is molded to the exact firewall and shaft geometry of the current Super Duty column for a correct, lasting seal.

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