Tractor Parts, injector nozzles

hello! i am looking for some tractor parts and probably you can help me in finding those parts:
1) exhaust manifold and dynamo for b1500/b1600, 2) the gearbox fork for the 2nd and 4th gear for kubota l1500
3) injector nozzles for iseki tu200f
thank you and i will be waiting for your answer!