ANELLO CATERPILLAR: CA7C2534, 7C2534, CA3N9160, 3N9160 YELLOWMARK OPT. SERVICE REPLACEMENT IS: CA3119447, 3119447 INSTALLATO SU: D398B ENGINE - ENGINES IN GENERAL ELECTRIC LOCOMOTIVES FOR T 66B00001-UP 4L1134: CRANKSHAFT GP D398B ENGINE 66B03561-UP 4L1134: CRANKSHAFT GP D398B ENGINE - ENGINES IN GENERAL ELECTRIC LOCOMOTIVES FOR T 66B00001-UP 4L1134: CRANKSHAFT GP D398B ENGINE 66B03561-UP 4L1134: CRANKSHAFT GP D379B ENGINE 68B02540-UP 3N7968: CRANKSHAFT GROUP D379B ENGINE 68B02540-UP 4L8791: CRANKSHAFT GP D398B GENERATOR SET ENGINE 35Z00001-UP 4L1134: CRANKSHAFT GP D379B GENERATOR SET ENGINE 34Z00001-UP 4L8791: CRANKSHAFT GP G399 ENGINE 49C00261-UP 6L8357: CRANKSHAFT GP G398 ENGINE 73B00906-UP 4L1134: CRANKSHAFT GP G379 ENGINE 72B00468-UP 3N7968: CRANKSHAFT GROUP G379 ENGINE 72B00468-UP 4L8791: CRANKSHAFT GP