This is a A-161153AS Trans Disc: 11", organic, spring loaded PN: 161153ASMain Description As Following : A-161153AS Trans Disc: 11", organic, spring loaded P.N: 161153AS Spline Count: 19Spline Diameter: 1.562" Replaces: 161153AS-RO WHITE TRACTOR , 161153AS-R4B WHITE TRACTOR , 161153AS-R6B WHITE TRACTOR , 2870B-4 WHITE TRACTOR , 2870B-6 WHITE TRACTOR , Crossed From: SW02291 , , W161153 , , 2870 BMD MFG Found in Section & Models : Clutch Parts > Single Clutch, White/ Oliver/ Mpl Moline TRACTOR: SUPER 88 (SN 6503->), White/ Oliver/ Mpl Moline TRACTOR: 1550, White/ Oliver/ Mpl Moline TRACTOR: 1555, White/ Oliver/ Mpl Moline TRACTOR: 1600, White/ Oliver/ Mpl Moline TRACTOR: 2-62, White/ Oliver/ Mpl Moline TRACTOR: 88 (SN 6503->), White/ Oliver/ Mpl Moline TRACTOR: 880 (SN 6503->) Associated Items : New Also A-FRM-IHOL, A-OL-O-SUP7788, A-OL-P-88S88, A-OL-S-3VOLUME, A-SMO201, A-FRM-OLLATE, A-OL-O-1550, A-OL-P-15501555, A-OL-S-15501555, A-SMO202, A-FRM-OLLATE, A-OL-O-1555, A-OL-P-15501555, A-OL-S-15501555, A-SMO202, A-FRM-IHOL, A-OL-O-LDR1600, A-OL-O-1600GLPD, A-OL-P-LDR1600, A-OL-P-16001650 And : Spline Count: 19 Spline Diameter: 1.562"