is this a b16 ac compressor?

[Eg4LiFe]

if it's a d series, it won't be able to bolt onto the b16 block because of different bracket right???

[Theycall_Metue]

so u agree that a b16 and a b18 ac compressor is the same

yes sir. all b-series compressors are the same EXCEPT b20.
b20 came out of the honda Crv. their bracket enable them to use d-series compressors