Weber marine 4 barrel float bowl gasket.Mercury Marine MCM w/262 4.3 LH MCM w/350 MAG
You must match your carburetor number to get the correct part.
3310-805484A1, 3310-806970A1, 3310-807826A1, 3310-818660A1, 9600s, 9600sa, 9661s, 9661sa, 9666s, 9666sa, 9770s, 9770sa