4F50N (AX4N)

Piston Plate
Part No. FD-DA-18PBF

The Ford 4F50N (AX4N) converter may have weak and/or broken spring clips and a worn mating piston, causing noise in this unit. Bending or replacing the spring clips is only a temporary fix. Sonnax clutch conversion plate FD-DA-18PBF is a drop in replacement that uses the existing damper, but converts the clutch from a two- to one-friction ring piston. This eliminates the noise problem found in the OE units. This piston includes a bonded BorgWarner HTL friction ring. FD-DA-18PBF pistons can be identified by their "0" stamp.

  • Replaces noisy OE multi-plate clutch assembly, which is not available
  • Machined from a steel forging
  • Increased wall thickness for greater stiffness
  • Includes bonded friction ring
  • Thickness: 0.200"

Where to Buy

  • Existing Customers: Contact your sales representative.
  • New Customers: Fill out the form and a sales representative will contact you.
  • 4F50N (AX4N) Piston Plate FD-DA-18PBF
  • 4F50N (AX4N) Piston Plate FD-DA-18PBF details