MARINE CATERPILLAR 51-amp 12-volt ALTERNATOR ORIGINAL MARINE 3116 TURBO CATERPILLAR ALTERNATOR** ** will fit other CAT engines PART # 6T-1396; DATE CODE: 2896 CA FROM A 1997 40' SEA RAY WITH 3116 TURB0 CATS (x2). IN WORKING ORDER; A RARE "GOOD VALUE" FIND. A NEW REPLACEMENT "CAT" ALTERNATOR FROM FINNING NOW COSTS OVER $1,700. ALTERNATOR WILL WORK ON A VARIETY OF ENGINE MODELS AND APPLICATIONS AS MOUNTING OPTIONS ARE FLEXIBLE.