i just bought a aftermarket oil pump for my d16z6 at bap geon(a japanese parts specialist store kinda like pepboys jus a little more jdm ) anyway my boy said i should have got it from the dealer. is there that much of a difference or will the one i have be okay? i'm turbo charging and was wondering what should i do???
thanx....

 

any suggestions anyone???

 

i like oem stuff specially things that critical