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You are here:Home > Mercury Outboard Models > 1977 - 1979 > Merc 40 > Lower Unit
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PROP NUT
List Price: $3.60
Our Price: $2.90
You save $0.70!

Merc 39, 60, 110 (SELF-LOCKING)
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.
DRIVE SHAFT SEAL
Our Price: $10.60

Merc 40
DRIVESHAFT LUBE SEAL & WATER PUMP COVER SEAL
List Price: $16.80
Our Price: $13.15
You save $3.65!

Drive shaft lube seal for Mark 5, 6, 6A

Water pump cover seal for Merc 39, 60, 110
WATER PUMP IMPELLER
List Price: $26.16
Our Price: $23.75
You save $2.41!

Fits various outboards 3.5-9.8(model 110)

.438 I.D.
NLA DRIVE SHAFT PINION GEAR
Our Price: $166.58

1970 - 1971 Merc 400 (2 cyl)
1972 - 1979 Merc 402, 40  
1971 - 1979 Merc 500, 50