Rebuild Kit Upper Unit for Mercruiser Alpha Gen 2 20:24 1.98 1.94 3.0 Liter

Drive Shaft Housing Rebuild Kit for 1991-1997 Mercruiser Alpha One Gen. II

Inline 4 Cylinder GM engine 3.0 Liter

20/24 Tooth count.

1.98/1.94 ratio having a 1.9735 Inch top cover bearing diameter

Note: If you are unsure whether you have a Generation 2 or not, you can look at your water pump housing. If it is Stainless Steel, then it is a Gen 2.