3116, 3126, C7, FLAT FLYWHEEL W/8 MOUNTING HOLES AND 1 DOWEL HOLE FOR 13" OR 14" CLUTCH RING GEAR: 134 TEETH PILOT BEARING: TP836206 OR TP836305 CROSS REFERENCE: CATERPILLAR #: 101-3246& GM #: 15028478 CLUTCH SIZE: 13" OR 14"