which B-series IACV assembly are the same?

[The WORLD is yours...]

my B18c is from 94-95. and i think mine is junk. so i'm looking for another one. and i was wondering which other IACV assmblies from B-series are the same and will bolt up to my GSR victorX IM?

thanks

 

[GSRCRXsi]

pretty sure you will need a gsr one.if you get me a picture of your IACV i can tell you what kind it is.