Home>> 579541M91 - Alternator 105A Alternator 105A - Fits Massey Ferguson® - 579541M91 Sugg. Retail Price: $139.95/EA Out of Stock Quantity: EA Product Details # 579541M91 New (Aftermarket Part) Alternator 105A Weight: 12.00 lbs Replaces Tractor Part #: Where Used FITS MASSEY FERGUSON® 230, 245, 255, 265, 275, 285, 1085, 1105, 1135, 20C, 30B, 40B, 4500, 6500 Specifications Instructions Any use of OEM part numbers is for reference only. Need help finding a tractor part? Give us a call at 1-800-462-7335.