This GM NOS Air Bypass Diverter Smog VALVE 17084017 is a rare find for any car enthusiast. It fits perfectly for 1981 Oldsmobile Eschlin and is made by General Motors. The interchange part number is 2-749 and the OE/OEM part number is 17084017.

This exhaust and emission system part is ideal for those looking to restore their vintage car to its original condition. It is a brand new item that has never been used.