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GEARCASE DRAIN SCREW WITH GASKET
GEARCASE DRAIN SCREW WITH GASKET
 
Our Price: $6.99


Product Code: 10-79953K04

Description
 
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.

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Lower Unit Needs > Gear Case Drain & Vent Screws
"Mark" Models > Mark 5 > Lower Unit
"Mark" Models > Mark 6 > 1955 Comet Silent Six 5.9hp (888005 thru 901584) > Lower Unit
"Mark" Models > Mark 6 > 1957-58 Comet Silent Six 6hp (1051993 thru 1134535) > Lower Unit
"Mark" Models > Mark 6 > 1956 Comet Silent Six 5.9hp (901627 thru 1051988) > Lower Unit
"Mark" Models > Mark 6A > Lower Unit
"Mark" Models > Mark 7 > Lower Unit
"Mark" Models > Mark 10 > Lower Unit
"Mark" Models > Mark 10A > Lower Unit
"Mark" Models > Mark 15 > Lower Unit
"Mark" Models > Mark 15A > Lower Unit
"Mark" Models > Mark 20 > Lower Unit
"Mark" Models > Mark 20H > Lower Unit
"Mark" Models > Mark 25 > 1955 Hurricane 18hp (860979 thru 906751) > Lower Unit
"Mark" Models > Mark 25 > 1956-58 Hurricane 20hp (956420 thru 1051986) > Lower Unit
"Mark" Models > Mark 25E > 1955 Hurricane Merc Electric 18hp (877979 thru 906751) > Lower Unit
"Mark" Models > Mark 25E > 1956 Hurricane Merc Electric 20hp (956920 thru 969412) > Lower Unit
"Mark" Models > Mark 28 > Lower Unit
"Mark" Models > Mark 28A > Lower Unit
"Mark" Models > Mark 30 > Lower Unit
"Mark" Models > Mark 30H > Lower Unit
"Mark" Models > Mark 35A > Lower Unit
"Mark" Models > Mark 40 > Lower Unit
"Mark" Models > Mark 40H > Lower Unit
"Mark" Models > Mark 50 > Lower Unit
"Mark" Models > Mark 55 > 1955 Thunderbolt 40hp (831021 thru 899949) > Lower Unit
"Mark" Models > Mark 55 > 1956-58 Thunderbolt 40hp (906752 thru 1152195) > Lower Unit
"Mark" Models > Mark 55A > Lower Unit
"Mark" Models > Mark 55H > Lower Unit
"Mark" Models > Mark 58 > Lower Unit
"Mark" Models > Mark 58A > Lower Unit
"Mark" Models > Mark 75 > Lower Unit
"Mark" Models > Mark 75A > Lower Unit
"Mark" Models > Mark 78 > Lower Unit
"Mark" Models > Mark 78A > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 100 > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 1000 > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 850 > 1963 85hp (1566240 - 1626019) > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 850 > 1962 85hp (146099 - 14614948) > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 250 > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 110 > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 500 > 1961 50hp (1421113-1460498) > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 350 > 1961 40hp (1441977 - 1448139) > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 600 > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 400 > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 300 > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 200 > 1963 20hp (1558310 - 1606902) > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 200 > 1960-61 22hp (1292910 - 1459239) > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 150 > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 800 > 1961 80hp (1398603 - 1408610) > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 800 > 1960-61 80hp (1335465 - 1379805) > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 700 > 1962 70hp (1482212 - 1534386) > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 700 > 1960-61 70hp (1296411 - 1384805) > Lower Unit
Mercury Outboard Models > 1960 - 1963 > Merc 60 > 1962-63 6hp (1485612 - 1614729) > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 39 > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 60 > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 110 > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 200 > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 350 > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 500 > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 650 > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 950SS > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 1000 > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 1000BP > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 1000 Super BP > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 1100SS > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 1250 > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 1250 BP > Lower Unit
Mercury Outboard Models > 1967 - 1969 > Merc 1250 Super BP > Lower Unit
Mercury Outboard Models > 1964 - 1966 > Merc 39 > Lower Unit
Mercury Outboard Models > 1964 - 1966 > Merc 60 > Lower Unit
Mercury Outboard Models > 1964 - 1966 > Merc 110 > Lower Unit
Mercury Outboard Models > 1964 - 1966 > Merc 200 > Lower Unit
Mercury Outboard Models > 1964 - 1966 > Merc 500 > Lower Unit
Mercury Outboard Models > 1970 - 1973 > Merc 25SS > Lower Unit
Mercury Outboard Models > 1970 - 1973 > Merc 200 > Lower Unit
Mercury Outboard Models > 1964 - 1966 > Merc 850 > Lower Unit
Mercury Outboard Models > 1964 - 1966 > Merc 1000 > Lower Unit
Mercury Outboard Models > 1964 - 1966 > Merc 900 > Lower Unit
Mercury Outboard Models > 1964 - 1966 > Merc 950 > Lower Unit
Mercury Outboard Models > 1964 - 1966 > Merc 1100 > Lower Unit
Mercury Outboard Models > 1970 - 1973 > Merc 650 > 1970 - 71 65hp (2803562 - 3293183) > Lower Unit
Mercury Outboard Models > 1970 - 1973 > Merc 650 > 1972 - 73 65hp (3293184 - 3807832) > Lower Unit
Mercury Outboard Models > 1970 - 1973 > Merc 800 > Lower Unit
Mercury Outboard Models > 1970 - 1973 > Merc 850 > Lower Unit
Mercury Outboard Models > 1970 - 1973 > Merc 1150 > Lower Unit
Mercury Outboard Models > 1970 - 1973 > Merc 1350 > Lower Unit
Mercury Outboard Models > 1970 - 1973 > Merc 1400 > Lower Unit
Mercury Outboard Models > 1970 - 1973 > Merc 1500 > Lower Unit
Mercury Outboard Models > 1974 - 1976 > Merc 25SS > Lower Unit
Mercury Outboard Models > 1974 - 1976 > Merc 200 > Lower Unit
Mercury Outboard Models > 1974 - 1976 > Merc 650 > Lower Unit
Mercury Outboard Models > 1974 - 1976 > Merc 650XS > Lower Unit
Mercury Outboard Models > 1974 - 1976 > Merc 850 > Lower Unit
Mercury Outboard Models > 1974 - 1976 > Merc 850XS > Top Cowl and Starter
Mercury Outboard Models > 1974 - 1976 > Merc 1150 > Lower Unit
Mercury Outboard Models > 1974 - 1976 > Merc 1500 > Lower Unit
Mercury Outboard Models > 1974 - 1976 > Merc 1500XS > Lower Unit
Mercury Outboard Models > 1974 - 1976 > Merc 1750 > Lower Unit
Mercury Outboard Models > 1977 - 1979 > Merc 200 > Lower Unit
Mercury Outboard Models > 1977 - 1979 > Merc 25SS > Lower Unit
Mercury Outboard Models > 1977 - 1979 > Merc 402 > Lower Unit
Merc 70 hp (3 cyl) > 1980 - 1983 > Lower Unit
Merc 80 hp (4 cyl) > 1980 - 1983 > Lower Unit
Merc 90 hp (6 cyl) > 1980 - 1983 > Lower Unit
Merc 115 hp (6 cyl) > 1980 - 1983 > Lower Unit
Merc 140 hp > 1980 - 1981 > Lower Unit
Merc 150 hp > 1980 - 1985 > Lower Unit
Merc 175 hp > 1980 - 1988 > Lower Unit
Merc 200 hp > 1980 - 1988 > Lower Unit
Merc 225 hp > 1980 - 1981 > Lower Unit
Merc 300 hp > 1980 - 1987 > Lower Unit
Lubes, Oil & Filter > Lower Unit Oil


Fuel line $24.99
STUD $14.46
STANDARD PORT PISTON $180.00
Aftermarket trim pump $276.95
WATER PUMP IMPELLER $42.99
$60.92
NLA FWD GEAR ASSY $381.80
OWNERS GUIDE $24.95
SCREW $1.40