You are here:Home > Mercury Outboard Models > 1977 - 1979 > Merc 402 > Lower Unit
Sort By:
Page of 1
O RING O RING

Mark 35A
Mark 50
Mark 55, 55A
Mark 75, 75A
Mark 75A
1960 Merc 300
1961 Merc 350
1984 - 1989 Merc 35 (2 cyl)
1963 - 1969 Merc 350
1980 - 1983 Merc 40 (2 cyl)
1989 - 1996 Merc 40 (4 cyl)
1960 - 1961 Merc 400
1970 - 1971 Merc 400 (2 cyl)
1972 - 1979 Merc 402
1986 - 1989 Merc 45 (4 cyl)
1962 - 1964 Merc 450 (2 cyl)
1986 - 1990 Merc 50 (3 cyl)
1980 - 1985 Merc 50 (4 cyl)
1965 - 1979 Merc 500
1984 - 1990 Merc 60 (3 cyl)
1972 - 1979 Merc 650 (3 cyl)
1977 - 1983 Merc 70 (3 cyl)
1960 - 1961 Merc 700 (6 cyl)
1960 - 1961 Merc 800 (6 cyl)

List Price: $1.00
Our Price: $0.85
You save $0.15!
THERMOSTAT GASKET THERMOSTAT GASKET

Thermostat gasket for thermostat part no. 75692

List Price: $2.00
Our Price: $1.50
You save $0.50!
GEAR HOUSING FLUSHING HOLE PLUG GEAR HOUSING FLUSHING HOLE PLUG

1969 Merc 1000SS
1972 - 1977 Merc 1150
1968 - 1969 Merc 1250
1970 - 1971 Merc 1350
1972 Merc 1400
1973 - 1977 Merc 1500
1978 Merc 1500XS
1968 - 1977 Merc 200
1977 - 1981 Merc 200,20
1966 - 1969 Merc 350
1970 - 1971 Merc 400 (2 cyl)
1972 - 1977 Merc 402
1968 - 1975 Merc 500
1972 - 1975 Merc 650 (3 cyl)
1968 - 1971 Merc 650 (4 cyl)
1969 - 1972 Merc 800,80 (4 cyl)
1973 - 1977 Merc 850 (4 cyl)

List Price: $5.10
Our Price: $3.75
You save $1.35!
GEARCASE DRAIN SCREW WITH GASKET GEARCASE DRAIN SCREW WITH GASKET

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.

List Price: $5.70
Our Price: $4.35
You save $1.35!
PROP NUT KIT PROP NUT KIT

Prop Nut Kit includes a special locking nut and two tab washers.  For use on Mercury/Mariner 30-60 hp. outboard engines.

List Price: $11.60
Our Price: $10.75
You save $0.85!
ROLLER BEARING ROLLER BEARING

Fits Mercury 18, 20, 25,35, 40, 400, 402, 45, 50, 500, 55, 60, 650,70

List Price: $13.20
Our Price: $11.53
You save $1.67!
THERMOSTAT - 143 THERMOSTAT - 143

Thermostat, 143 degrees.  Used on wide range of Mercury outboards from 7.5 - 225 HP from 1977 - present.  Also prevalently used on Mariner outboards.  See model guide for specific applications.

List Price: $15.42
Our Price: $13.65
You save $1.77!
WATER PUMP IMPELLER WATER PUMP IMPELLER

(Replaces 47-20268 & 47-65959)

The following gearshift models:
 all 2 cyl. 35 & 40 HP thru 1989
 all 3 cyl. 50 - 65 HP thru 1990
 all 3 cyl. 70 HP thru 1983
 all 4 cyl 35 - 50 HP

List Price: $19.34
Our Price: $18.00
You save $1.34!
WATER PUMP KIT WATER PUMP KIT

Aftermarket Water Pump Impeller Kit (includes impeller, gaskets, wear plate, etc.) fits all 2 cyl. 35 & 40 HP thru 1989, all 3 cyl. 50 - 65 HP thru 1990, all 3 cyl. 70 HP thru 1983, all 4 cyl 50 HP 1963 and newer.

Our Price: $35.99
REPAIR KIT-W/P REPAIR KIT-W/P

Water pump repair kit
Fits the following motors:
35HP (2 cyl) serial# 6445653 and up
400 (40HP) serial# 2874704-3336257
402 (40HP) and 40HP serial# 3336258-G053313
45HP (4 cyl) serial# 5531630 and up
500 (50HP) and 50HP (4 cyl) serial# 2858814 and up
50HP and 60HP (3 cyl) serial# 6428681-D000749
70HP (3 cyl) serial# 4977157-6428680

List Price: $46.25
Our Price: $39.99
You save $6.26!
BEARING BEARING

Fits Merc 35, 40, 402, 45, 50, 500, 60, 650, 70

Our Price: $47.96
SHIFT SHAFT ASSY SHIFT SHAFT ASSY

Fits Merc 35, 40, 402, 45, 50, 500, 60, 70.  Check your owners manual for specific part information.

List Price: $70.94
Our Price: $58.95
You save $11.99!
LOWER UNIT SEAL KIT LOWER UNIT SEAL KIT

Lower unit seal kit for 30-70 HP Mercs, 1977-1979.  Also fits many Mariner applications 30-60 HP.

List Price: $75.42
Our Price: $68.75
You save $6.67!
WATER PUMP KIT WATER PUMP KIT

Water Pump Repair kit for 40-70 HP gear units starting in 1977.  Includes upper and lower housings, gaskets, plate, impeller, and o-rings/ seals.  See model guide for specific engine applications.

List Price: $93.50
Our Price: $85.90
You save $7.60!