Mercury Outboard 27-23049 Gasket Manifold to Drive Shaft Housing KE4 Mark 7 & K Wiring Harness 312781 / 0312781 Water pump

312781 / 0312781 Water pump to thermostat housing

1986 models had a different style of gear housing with a lip on the bottom

You can check out the last info-graphic image in this listing to help you spot the differences in the types of worm gears OMC manufactured

If you are unsure if this will work for you or have any other concerns

Mercury Outboard 27-23049 Gasket Manifold to Drive Shaft Housing KE4 Mark 7 & K Wiring Harness 312781 / 0312781 Water pumpItem Description Mercury Part Number 27 23049 Gasket Manifold To Drive Shaft Housing Found on Mercury KE4, Mark 7, Model K If you are unsure on compatibility feel free to ask! Purchase with confidence! General Disclaimer (please read) These are New Old Stock Parts from a large mercury Mark & K models cabinet I have. Some of these parts might work on more models than listed in the title and or the description, Please do your own research There might be