Fits (1988 And Later) Mercury/ Mariner 2 Cylinder 18 To 40 Horsepower/ 3 Cylinder 30 To 70 Horsepower/ 4 Cylinder 35 To 140 Horsepower/ 6 Cylinder 150 To 200 Horsepower/ V6 150 To 225 Horsepower Outboard Engines/ (1988 And Later) Bravo/ Bravo Xr/ Nxt/ M6/ Vazer And Zeus Drive Gearcases; Stainless Steel; With Yellow Rubber Bonded Washer