OMC 0985050 0393633 333077 398034 Lower Unit Gear Set 400 Cobra 4cyl 1986-1989 Cooling System & Hoses 0L 140hp engines that have

0L 140hp engines that have a 2-piece rear main seal

Lower Cowl Rear Mid section Back: 309206

316098 / 0316098 Ring Gear Guard

but always check with your outboard's parts diagram if you are unsure on fittment

Please check the 1955 parts manual vs the manual of your outboard to get the best idea if there are any notable differences or contact me and I can assist you with this

OMC 0985050 0393633 333077 398034 Lower Unit Gear Set 400 Cobra 4cyl 1986-1989 Cooling System & Hoses 0L 140hp engines that haveItem Details OMC 985050 0985050 Forward Gear & Pinion Set (1986 1989 Models) Replaces 393633 0393633 398035 0398035 Stamped 333078 & 398034 OMC 333077 0333077 Reverse Gear (1986 1989 Models) Replaces 317838 0317838 Stamped 333077 Compatibility Would have been found on the smaller OMC Cobra Sterndrive "400" 4cyl lower unit gearcases 1986 1989 GM 2. 5L 120hp 4cyl (1986) GM 3. 0L 140hp 4cyl (1986 1989) Ford 2. 3L 4cyl (1987 1989) Not for 1986 1993 V6 V8