2644C342. Injector pump

2644C342 injector pump from NL38753 engine. The engine overheated from accidental damage and has done 1700 hours. It is open governor. Also on pump is 9520A413G.     2360 rpm--THIS PUMP HAS BEEN DISMANTLED AND IS IN A BAG IN MANYPIECES--IT WAS SUSPECTED THAT THERE MAY HAVE BEEN ABRASIVE STUFF INSIDE BUT IT WAS SPOTLESSLY CLEAN--GOOD FOR PARTS--PRICE REFLECTS THIS'