Transmission Pinion Gear (Reverse)
CTPA-1688127M1 Replacement Part to Fit:  Massey Ferguson For Models: 290 UK, 360, 375, 390, 390T, 398, 399, 4225, 4235, 4243, 4245, 4253, 4255, 4263, 4270, 699 SN L311009>, (670, 690 ALL SN L311051>) 21 & 14 TOOTH  Price:  $51.59  Buyers Club Price:  $46.43