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Johnson Evinrude Outboard Head Gaskets

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Head Gaskets

Common signs of a bad head gasket are low cylinder compression or water leaking by and collecting in the lower engine cowling. Often times head gaskets are replaced when removing the cylinder head to check on the status of pistons and the cylinder walls. You should consult a service manual for the proper replacement procedures. Some engines require sealants and there are usually a tightening sequence and torque specs.
Model Year Part Number
1974 & Later Models
2 Junior / Colt 1974-1988 313782
2 / 3 / 3.3 / 3.5 1991-2006 115496
4 1974-1980 203130
2.5 / 3 / 4 / 4.5 / Ultra, Excel 4 1981-1993 332010
6 (8.84 cubic inch, 145 cc) 1974-1979 329103
6 / 7.5 / 8 (10 cubic inch, 164 cc) 1980-2005 325273
9.9 / 15 (13 cubic inch, 216 cc) 1974-1992 330818
9.9 / 15 (15 cubic inch, 255 cc) 1993-2006 338222
25 (22 cubic inch, 361 cc) 1974-1976 322332
20 / 25 / 28 / 30 / 35 (32 cubic inch, 521 cc) 1979-2005 765012
15 / 25 / 30 Evinrude® E-TEC® 2009-AB 353197
40 / 40 Commercial (44 cubic inch, 719 cc) 1974-1985 307069
50 2 Cylinder (42 cubic inch, 680 cc) 1974-1975 315539
40 / 48 / 50 / 55 / 60 (45 cubic inch, 737 cc) 1979-2005 335359
45 / 55 Commercial (45 cubic inch, 737 cc) 1976-2005 335359
60 3 Cylinder (49 cubic inch, 814 cc) 1986-1988 313413
60 3 Cylinder (56 cubic inch, 913 cc) 1974-1985 313413
70 3 Cylinder (49 cubic inch, 814 cc) 1989-2001 329836
70 3 Cylinder (56 cubic inch, 913 cc) 1986-2001 329836
75 Cylinder (49 cubic inch, 814 cc) 1975-1989 313413
85 (Crossflow V4, 3" bore) 1974-1978 318662
115 / 135 / 140 (Crossflow V4) 1973-1978 318358
85 / 88 / 90 / 100 / 110 / 112 / 115 (Crossflow V4) 1978-1998 318358
140 (Crossflow V4) 1977-1984 318358
120 / 140 (small bore Loop V4) 1985-1987 328623
120 / 130 / 140 (loop V4, 2L) 1988-2001 340115
150 / 155 / 175 / 185 / 200 (Crossflow V6) 1976-1985 332817*
150 / 155 / 175 / 185 / 200 (Crossflow V6) 1976-1992 766779
175 (Crossflow V6) 1986-1992 335361
200 / 225 (small bore Loop V6) 1986-1987 331211
200 / 225 Loop Charged (loop V6, 3L) 1988-1993 333670
200 / 225 / 250 (loop V6, 3L) 1994-2001 345257
235 (Crossflow V6) 1978-1979 335360
235 (Crossflow V6) 1980-1985 335361
235 (Crossflow V6) 1978-1979 332817*
2.6 XP-GT (Crossflow V6) 1983-1985 329774
275 / 3.6L (small bore Loop V8) 1985-1987 329786
40-60° 200 HP Evinrude® E-TEC® 2004-AB 335523
4-Stroke
4 / 5 (138cc) 2003 5033342
5 / 6 (128cc) 1997-2003 441801
8 (211cc) 1995-2004 446801
9.9 / 15 (305cc) 1995-2001 337191
9.9 / 15 (302cc) 2002-2004 5033046
9.9 / 15 (302cc) 2005 5036169
25 / 30 2000-2005 5031916
40 / 50 1999-2005 5031293
60 / 70 1998-2005 5030611
90 / 115 2003-2005 5033639
140 2003-2005 5034644
Fast Moving (1973 & Older)
5 / 5.5 / 6 1959-1973 329103
9.9 1964-1973 309612
40 1960-1973 307069
55 / 60 / 65 1968-1973 313413
75 / 80 / 85 / 90 / 100 / 115 1960-1970 306048
125 1971-1972 332820*
115 / 135 1973 318358
90° V6 200-300 2005-2011 346007

Need other parts? If you need parts not listed in the application guide, please see:

* Low Octane Head Gasket - Review Service Bulletin 2155


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