Mercury Outboard AJ Carburetor Carb Rebuild Kit Carburetors Pre-1965 Gravity Fed Cooling System & Hoses 3L engines) engines that HAVE

3L engines) engines that HAVE a 1-piece rear oil seal

5L 120hp 4cyl applications using the (NEW DESIGN) style exhaust

3L V6 175hp 185hp 205hp 2bbl & 4bbl engine applications

Volvo Penta 1357620 Plate

I do recommend that the bearings are included (still attached to the gears) and should be replaced

Mercury Outboard AJ Carburetor Carb Rebuild Kit Carburetors Pre-1965 Gravity Fed Cooling System & Hoses 3L engines) engines that HAVEOverview Aftermarket Rebuild Kit for Tillotson AJ Carburetors (Found on Various Horsepowers & Years) Probably in your best interest to just find the model number stamping on your carburetor. Part Numbers Included 18 7011 Carburetor Kit (For AJ Carburetors) Compatibility (Guide Here May not be 100% Complete) Mercury 6hp 2cyl AJ 57A Mercury 10hp 2cyl AJ 52A AJ 56AB Mercury 15hp (150) 2cyl AJ 52A AJ 56A Mercury 35hp AJ 54A Mercury 40hp (40, 400, 402)