THIS IS A NEW Sauer Danfoss Genuine m46, m91 new rotating group 4460290.THIS ALSO FITS THE M91 TANDEM UNITS,THIS CYLINDER BLOCK HAS THE BALL MADE ONTO THE BLOCK. THERE IS ALSO A CYLINDER BLOCK THAT USES A BALL GUIDE THAT SITS ON 3 PINS. THESE WILL NOT INTERCHANGE SO PLEASE CHECK YOURS BEFORE ORDERING. We also can supply most any part you need for your eaton or sundstrand pumps or motors. if you need something we do not have listed, please contact us and we will list it for you. We are always looking to buy complete cores or surplus parts inventories, in the following brands : sundstrand, vickers,dennison, rexroth,eaton, kawasaki, racine and others. Powered by Turbo Lister The free listing tool. List your items fast and easy and manage your active items. ************* International Buyers – Please Note: ************************ Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. If you need help locating a part or not sure what you need, please contact us. PLEASE SEARCH FOR ON THE INTERNET: HYDRAULIC PARTS XCHANGE