page 80
PARTS
Mercury
MERCURY
GASKETS AND SEALS
This is a previous (early)
style block. The head bolts
fasten to the cylinder liner.
583 or 245 Head Gasket
This is a current (late) style
block. The head bolts are
fastened to the outside of
the cylinder block.
NOTE:
POWERHEAD GASKET SETS come with all the gaskets in the
powerhead and numbers 667, 668, and 669 come with head
gaskets, but no fuel pump kits.
For Sport Jet 90 HP 3 cyl & 120 HP 4 cyl, see Chrysler/Force Section.
Model
Cyl
Serial Number
Gasket
Head
Seal
Kit
l
Gasket
Kit
20 HP 1973-77
2
337531-4709592
-
-
2016-3
25 HP
2
1983-Up
4375
-
2019
35 HP 1972-88
j
2
6445653-B10788
482
-
2016-3
30-40 HP 1991-UP
2
079
-
2016-3
30-40hp 1998 & UP
2
OG055314 & UP
079
-
2020
40 HP 1972-93
j
2
3336258-G053313
482
-
-
40 HP (Mariner)
2
-
4414
-
2016-3
45/50 HP 1968-95
4
2116318-B110788
461
-
2016-3
50 HP 1984-88
3
6428681-B122929
492
-
2016-3
60 HP 1984-88
3
6428681-B122929
492
-
2016-3
40/50/60HP1991-1997
3
D000750 & UP
047
-
2016-3
40/50/55/60hp 1998 & UP
3
OG590000 & UP
047
-
2020
65 HP 1972-75
3
3293184-4382056
492
-
2016-3
65 HP 1976-77
3
4382057-4571651
492
-
2016-3
70 HP 1977-83
3
4571652-6428600
492
-
2016-3
70 HP 1987 & Later
3
A996142 & UP
004
-
2017
75 HP 1975 & Later
4
6432901 & UP
459
-
2016-3
75 HP 1990 & Later
3
A996142 & UP
004
-
2017
80 HP 1969-72
4
2559001-34936912
795
-
2016-3
80 HP 1978-83
4
4831999-6432900
459
-
2016-3
85 HP 1987-92
3
A996142 & UP
004
-
2017
85 HP 1973-85
4
3493913-4366801
790
-
2016-3
85 HP 1976-78
4
4366802-4831998
459
-
2016-3
90 HP 1975-86
6 Inline
4845301-5299505
437
-
2016-3
90 HP 1987-96
3
A996142 & UP
004
-
2017
100 HP 1988 & Later
4
B209468 & UP
005
-
2017
115 HP 1975-88
6 inline
3525441-4855152
437
-
2016-3
115 HP 1988& Later
4
B209468 & UP
005
-
2017
115 HP 2.5L DFI
V6 2.5L
OG960500-OT178499
2689-1
9772 2016-3
125 HP 1994 & Later
4
D283222 & UP
005
-
2017
j
Does not fit Mariner
k
Do not reuse 3L single seal lower caps.
Replace with double seal cap Mercury #1171-9787A5 or Pro #9787
If cap has been replaced, use 3 piece (1 upper & 2 lower) seal kit #2018
l
Gasket kits do not contain fuel pump components or crank seals.
m
2688 & 2689 have no head gaskets order 2.0, 2.4 or 2.5L head gaskets
as required for your engine.
n
2.4L Blocks w/dowel pins use 2689 Gasket Kit and 3871 head gaskets
o
No Head Gaskets in Kit
p
For 2.5L Models with "O" Ring head, order qty 2 of PN 8452 and qty 6 of PN 9772
See page
MERCURY GASKET
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