THIS IS A COMPLETE O-RING / SEAL KIT FOR A K7V63DT HYDROSTATIC / HYDRAULIC PUMP. THESE ARE NORMALLY FOUND ON EXCAVATORS AND OTHER MACHINERY. SHAFT SEAL SIZE 44.45X63.5X9.5 WE ALSO HAVE PISTONS, BLOCKS, PLATES ETC. FOR THESE UNITS. PLEASE LOOK AT OUR STORE FOR OTHER ITEMS. IF YOU NEED SOMETHING NOT LISTED HERE, PLEASE GIVE US A CALL OR SEND US A EMAIL, WE WILL BE MORE THAN HAPPY TO HELP YOU!!! WE ARE ALWAYS BUYING SURPLUS NEW AND USED PUMPS, MOTORS AND PARTS, IF YOU HAVE SOMETHING TO SELL, PLEASE LET US KNOW. WE CARRY PARTS FOR KAWASAKI, SAUER DANFOSS, SUNDSTRAND, VICKERS, EATON AND OTHERS. WE ALSO SELL VARIOUS BRANDS OF COMPLETE PUMP AND MOTOR CORES, EITHER FOR REBUILDING OR TO BE USED AS EXCHANGES. IF YOU ARE LOOKING FOR ONE OF THESE TYPE OF UNITS, PLEASE GIVE US A CALL. ************* 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. OUR PARTS SHOULD INTERCHANGE WITH MOST MAJOR MANUFACTURERS. YOU MAY SEE REBUILT OR AFTERMARKET PUMPS OR MOTORS WITH THE FOLLOWING TAGS OR BRAND NAMES : FLINT, FHI, BERENDSEN, SUNSOURCE, EIP, EUROPEAN INDUSTRIAL, SAUER, SUNDSTRAND, DANFOSS, EATON, MIXER TRUCK PARTS, AND MANY MORE. PLEASE CONTACT US IF YOU HAVE QUESTIONS OR CONCERNS. WE WILL BE MORE THAN HAPPY TO HELP YOU!