MerCruiser 94998A4 94997 Alpha One R/MR/Gen1 1983-1990 Outdrive Upper Unit Cover Thermostat Housing Parts Works with ALL OMC Drives

Works with ALL OMC Drives From 1978-1986 120hp

Generally Johnson / Evinrude used the same parts & assemblies for multiple years before completely changing the design on them so there is a likely chance that this might be compatible with other models manufactured few years past or prior to the manufacture of this outboard

-For 7 / 8” 13-spline prop shaft

but the jet is different

Item Details I received this oil pan in a parts lot

MerCruiser 94998A4 94997 Alpha One R/MR/Gen1 1983-1990 Outdrive Upper Unit Cover Thermostat Housing Parts Works with ALL OMC DrivesItem Description MerCruiser 94998A4 94997 (stamped) 1. 939 CUP dimension (standard diameter of bearing cup diameter of seat where cup sits) Includes Screws 10 98794 (3 8 16 x 1") Compatibility MerCruiser Sterndrive Units manufactured between 1983 1990 (R MR Gen I) This is the type of cap that does not have a Lifting ring. They made quite a few different style of top caps, so please look and compare the pictures closely to yours to make sure that this