iac and gasket question

glowstang93

20+ Year Stangneter :roc</strong><span class=
Feb 9, 2003
853
8
39
Illinois
I have a new IAC to put on and it came with a new gasket. Do I need to change the gasket if the old one is still in good condition, not torn. And if so, is there any glue, oil or sealant that should be used between the throttle body or the iac body?

Thanks in advance