Gear Lube Drain screw with gasket for most Mercury lower units.  (Also used as vent screw in 1963 and newer 35HP and larger non-racing gear cases.)

Was 10-79953T2

This is used as both drain & vent on 1974 & prior models.  1975-76 use this for vent screw and 22-67892A06 magnetic drain screw.

Gear Grease- 105 Lubriplate replaces original gear grease in all 1, 2, & 4 cyl. Mercurys through 1961. This heavier lube should also be used in non-shift motors of other brands. 10 oz.

Note: Modern 90 weight gear lube is generally unacceptable in these engines.

KE7, KF7, KG4, KG7 (1939 - 1953)
Mark 7, KE4
1963 - 1978 Merc 110
Merc 39 (1 cyl)
1982 - 1987 Merc 4 (1 cyl)
1980 - 1985 Merc 4.5 (1 cyl)
1970 - 1974 Merc 40 (1 cyl)
1975 - 1979 Merc 45, 4.5 (1 cyl)
1963 - 1968 Merc 60
1979 - 1986 Merc 7.5
1969 - 1978 Merc 75
1979 - 1985 Merc 9.8

Drive shaft bearing for KE7, KF7, KG4, KG7 (1939 - 1953), Mark 7, KE4

Prop shaft bearing for Mark 40, KG9, KF9

KE7, KF7, KG4, KG7 (1939 - 1953)
Mark 7, KE4
1963 - 1965 Merc 110
1961 - 1965 Merc 50