MerCruiser Lower Unit Gearcase Gear Set Carrier 43-878087A4 Alpha One 1983-1990 Transom Plate The Part Number of Cylinder

The Part Number of Cylinder Head Cover 376813

May also work With Omc Cobra Mercruiser Volvo

There is a broken off screw in one of the holes that will need to be removed

3LX 175 185 198 200 205 228 230 255 260 300 320 330 350 370 4

Item Details Yours should look just like this

MerCruiser Lower Unit Gearcase Gear Set Carrier 43-878087A4 Alpha One 1983-1990 Transom Plate The Part Number of CylinderItem Details MerCruiser Sterndrive Alpha One Lower Unit Complete Gearset 43 878087A4 (Pinion, Forward, Reverse) Used in MerCruiser MR & Gen I lower units 1983 1990 These are the correct gears if your lower gearcase DOES NOT HAVE A PRELOAD PIN on top of the driveshaft ****If your gearcase HAS A PRELOAD PIN, then these are not the correct gears***** If you are looking for a 1970 1982 Gearset please contact me and I should be able to help. Pinion Gear