The Ingersoll Rand 22471817 inlet valve baffle sits between the main inlet valve and airend assembly. This is a square shaped seal with a center ledge that sticks out on one side. 4 holes on the corners where the bolts would go through.
This baffle sits in between the two 42684795 inlet valve gaskets. 22471817 is an OEM part manufactured by Ingersoll Rand. Ingersoll Rand used many different styles of inlet valves on their UP6 5-15C series of rotary screw air compressors - we highly recommend calling in with your model number and serial number for confirmation this part is correct for your compressor.