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You are here:Home > Mercury Outboard Models > 1970 - 1973 > Merc 400 > Lower Unit
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O RING
List Price: $1.00
Our Price: $0.85
You save $0.15!

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)
WATER PUMP BASE TO GEAR HOUSING GASKET
Our Price: $2.00

GEAR HOUSING FLUSHING HOLE PLUG
List Price: $5.10
Our Price: $3.75
You save $1.35!

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)
MERCURY PREMIUM GEAR LUBE 8oz
List Price: $6.13
Our Price: $5.75
You save $0.38!

Mercury Premium Gear Lube for use in gear housings of all Mercury, Mariner, and Force outboards. 8 oz.
PROP NUT
List Price: $9.45
Our Price: $8.85
You save $0.60!

Merc 350, 450, 500 (SELF-LOCKING)
TOP/BOTTOM CRANKSHAFT SEAL, DRIVE SHAFT SEAL & PROP SHAFT SEAL
Our Price: $10.80

This is the top crankshaft seal for models K, KB & KD models, KE3, KE4, KE4A, KF3, Mark 7

This is the bottom crankshaft seal on the KF-3 for serial # 358552 thru 358612 and 358616 & up.

This is the drive shaft seal for Mark 10, 10A, 15A, 28, 28A, 40H, 55H, Merc 100, 150, 200, 350, 500, 650

This is the prop shaft seal for Mark 75H
WATER PUMP HOUSING SEAL
Our Price: $11.00

Merc 350, 500
ROLLER BEARING
List Price: $13.20
Our Price: $11.53
You save $1.67!

Fits Mercury 18, 20, 25,35, 40, 400, 402, 45, 50, 500, 55, 60, 650,70
DRIVE/PROP SHAFT SEAL
Our Price: $12.68

Drive shaft seal for Merc 1000 BP, 1250BP

Prop shaft seal for Merc 400, 402, 500, 650
ANODE/TRIM TAB
List Price: $14.49
Our Price: $12.79
You save $1.70!

Genuine Mercury sacrificial aluminum trim tab anode used on 1963 & newer 35 HP and larger models.

Fits most Mercury and Mariner 35HP and above and all Mercury Mercruiser (excluding Bravo drives).