Hydraulic Valve Assy.
CTPA-9N640 Replacement Part to Fit:  Ford For Models: 9N FOR 9N600 PUMP ASSY., 2N 39-47, FOR 9N600 PUMP ASSY. Includes: housing, pintle, spring, pin clip, fully assembled.  Price:  $23.56  Buyers Club Price:  $21.20