Ford

4F20E Transmission

View all Transmissions
Valve Body
63940 03k

Accumulator Shift Valve Kit 63940-03K

    Helps cure:
  • Premature clutch failure
  • Premature band failure
  • Erratic buzz
  • Uncontrolled pressure in Reverse
  • Low line rise
  • Low Reverse boost
  • Soft shifts
63940 02k

Accumulator Valve Kit 63940-02K

Maxima '99-earlier, all other '01-earlier

    Helps cure:
  • 2nd Slip
  • No 2nd
  • 1-2 Soft
  • No Reverse
  • Delayed Forward
  • No Forward
Other
63940 bst

Bore Sizing Tool 63940-BST

For 63940-02K