Transmission Input Shaft Pinion Gear
CTPA-1693578M1 Replacement Part to Fit:  Massey Ferguson For Models: 290 UK W/ 12 SPEED SYNCROMESH TRANSMISSION, 670 W/ 12 SPEED SYNCROMESH TRANSMISSION 24 OD TEETH, 6 SPLINE  Price:  $46.91  Buyers Club Price:  $42.22