1991 4d56 pajero 2nd hand parts needed

[wildplumdx]

so i've pulled apart my brothers pajero about 8 months ago finally finishing the engine off and ive some how lost the water pump thermostat housing section of the pump! it has 4 bolts can post of picture if needed but you'll know what im talking about if you have one laying around ? also after a pajero 4d56 turbo wastegate actuator as ive put a pajero turbo on my L200 and the l200s run smaller turbos and the lighter actuator doesn't work on the bigger turbo! if anyone can help ?