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Piston/Damper Assembly
Part No. FD-DA-14

Sonnax offers heavy duty Piston/Damper Assembly FD-DA-14 for late model single plate E4OD converters. In extremely high torque applications the standard, single plate damper springs bottom, causing harsh starts and possible spline damage due to impact loading. This design has five additional nested springs to increase dampening capacity.

  • F & E Series truck, heavy duty applications
  • Higher dampening capacity
  • Nested spring design
  • Eliminated spring bottoming
  • Balanced assembly
  • Outer Dia.: 11.660"
  • Existing Customers: Contact your sales representative.
  • New Customers: Fill out the form and a sales representative will contact you.
  • Fd da 14 front
  • Fd da 14 back