Hello does b5254t2 and b5254t have same spec head gasket...any idea?

Hello, do this engines share same spec cylinder head gasket?

Does PCV valve oil trap have any rubber seals that needs to be replaced...what would cause to oil leak from it...how is it placed and attached under intake manifold(hooked/bolted/screwed)? This is because it's leaking oil and i think i need to replace it. Secondly how is radiator cooling fan 12v dir...