JCB Fuel Injetion Pump

I am at my wits end trying to find a pump for my jcb is there any good ole boys on here that could help me locate this part or tell me how to get a reference number or replacement number? Thanks
The info I can provide is:
JCB machine s/n 15BT2115/315646/7
Engine s/n LH036229M
The numbers I have on the pump are XS59L800 and 3241F800 tag says (KENPOWER U.S.A.) ???
HELP Please lol

JCB Fuel Injetion Pump