Refine Parts List
HP/Liter/CC:
Year:

HP/Liter/CC

Year

Sierra Head Gasket

Mallory Head Gasket

1.5 1968-1970 18-2884 -
2, Colt,Jr. 1971-1990 18-2884 -
2.5 1981-1993 18-2888 9-63823
3 1981-1993 18-2888 9-63823
3 1957-1968 18-3841-2 -
Excel 4 1981-1993 18-2888 9-63823
4 1969-1980 18-3841-2 -
4 1981-1993 18-2888 9-63823
4.5 1980 18-3841-2 -
4.5 1981-1993 18-2888 9-63823
4.5 Ultra 1981-1993 18-2888 9-63823
5 1965-1968 18-2961 -
5 1984-1995 18-3800 -
5.5 1957-1958 18-2885 -
5.5 1959-1964 18-2961 -
6 1965-1979 18-2961 -
6 1984-1995 18-3800 -
6.5 Comm. 1989-1990 18-3800 -
7.5 1957-1958 18-2952 -
7.5 1980-1993 18-3800 -
8 1984-1995 18-3800 -
9.5 1964-1973 18-2950 -
9.9 1974-1992 18-2963 9-63832
10 Comm. 1989-1990 18-2963 9-63832
14 1988-1990 18-2963 9-63832
15 1974-1992 18-2963 9-63832
18 1959-1973 18-2962 -
18 Jet 1995-1998 18-3803 9-63830
20 1981-1999 18-3803 9-63830
25 1969-1976 18-2962 -
25 1977-1978 18-2954 -
25 (5)1979-2003 18-3803 9-63830
28 1986-1996 18-3803 9-63830
30 (5)1984-2003 18-3803 9-63830
33 1965-1970 18-2951 -
35 1957-1958 18-2951 -
35 1976-1978 18-2954 -
35 1979-1988 18-3803 9-63830
35 (6)1987 18-3802 9-63833
40 1960-1980 18-2957 -
40 Comm. 1981-1990 18-2957 -
40 1984-1997 18-3802 9-63833
40 Comm. 1994-1997 18-3802 9-63833
45 Comm. 1985-1997 18-3802 9-63833
45SS 1987-1990 18-3802 9-63833
48 1987-1997 18-3802 9-63833
50 1958-1959 18-2955 (1)-
50 1971-1975 18-2958 -
50 1979-1980 18-3802 9-63833
50 1981-1997 18-3802 9-63833
55 1968-1969 18-2960 9-63827
55 1977-1979 18-3802 9-63833
55 1980-1997 18-3802 9-63833
55 1995 18-3802 9-63833
60 1970-1971 18-2960 9-63827
60 1980-1985 18-3802 9-63833
60 1986-1988 18-2960 9-63827
60 1989-1997 18-3836 9-63821
SST60 1989-1990 18-3836 9-63821
65 1968 18-2955 (1)-
65 1972-1973 18-2960 9-63827
65 Comm. 1984-1986 18-2960 9-63827
65 Comm. 1987-1995 18-3836 9-63821
65 Jet 1991-1995 18-2956 (1)9-63828
70 1974-1976 18-2960 9-63827
70 1977-1985 18-2960 9-63827
70 1986-1997 18-3836 9-63821
75 1960-1965 18-2959 (1)-
75 1975 18-2960 9-63827
75 1977-1988 18-2960 9-63827
80 1966-1967 18-2959 (1)-
80 Jet 1991-1996 18-2956 (1)9-63828
85 1968-1972 18-2959 (1)-
85 1979-1980 18-2956 (1)9-63828
85 1991-1995 18-2956 (1)9-63828
88 1987-1995 18-2956 (1)9-63828
90 1964-1965 18-2959 (1)-
90 1981-1995 18-2956 (1)9-63828
100 1966-1972 18-2959 (1)-
100 (3)1979-1995 18-2956 (1)9-63828
1600CC 1988 18-2956 (1)9-63828
110 1986-1989 18-2956 (1)9-63828
115 1969-1970 18-2959 (1)-
115 1973-1977 18-2956 (1)9-63828
115 1978-1995 18-2956 (1)9-63828
120 1985-1987 18-3837 (1)9-63820
120 1988-1994 18-3866 (1)9-63826
125 Comm. 1992-1995 18-3866 (1)9-63826
130 1995-1998 18-3866 (1)9-63826
135 1973-1976 18-2956 (1)9-63828
140 1977 18-2956 (1)9-63828
140 1978-1984 18-2956 (1)9-63828
140 1985-1987 18-3837 (1)9-63820
140 1988-1994 18-3866 (1)9-63826
150 1973-1991 18-2964 (1)9-63829
155 Comm. 1984-1992 18-2964 (1)9-63829
2500CC 1988 18-2964 (1)9-63829
175 1977-1983 18-2964 (1)9-63829
175 1986-1991 18-3801 (1)-
185 1984-1985 18-2964 (1)9-63829
185 1990-1993 18-3839 (1)9-63825
200 1976-1983 18-2964 (1)9-63829
200 1986-1987 18-3838 (1)9-63822
200 (3)1988-1993 18-3839 (1)9-63825
225 1986-1987 18-3838 (1)9-63822
225 1988-1993 18-3839 (1)9-63825
235 1978-1979 18-2964 (1)9-63829
235 1980-1985 18-3801 (1)-
250 1990-1993 18-3885 (1)9-63824
300 1990-1993 18-3885 (1)9-63824
275/3.6L 1985-1987 18-3840 (1)9-63831
1.6L (OMC Sea Drive) 1983-1990 18-2956 9-63828
1.8L (OMC Sea Drive) 1987 18-3837 9-63820
2.0L (OMC Sea Drive) 1988-1990 18-3837 (1)-
2.5L (OMC Sea Drive) 1982 18-2964 9-63829
2.5L (OMC Sea Drive) 1984-1985 18-2964 9-63829
2.6L (OMC Sea Drive) 1982-1986 18-3801 (1)-
2.7L (OMC Sea Drive) 1987 18-3838 9-63822
3.0L (OMC Sea Drive) 1988-1990 18-3839 9-63825
3.6L (OMC Sea Drive) 1987 18-3840 9-63831

HP/Liter/CC

Year

Sierra Head Gasket

Mallory Head Gasket

Notes:
  • (1) : Two head gaskets required per engine
  • (3) : Commercial models also
  • (5) : DR,DE,DT Models only
  • (6) : D Suffix models only
Refine Parts List
HP/Liter/CC:
Year:
Price: $8.87
Save: $2.11
(19% Off $10.98)
Part # 18-2884-9
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $14.24
Save: $4.74
(24% Off $18.98)
Part # 18-2885-9
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $16.98
Save: $7.00
(29% Off $23.98)
Part # 18-2888-9
2nd Day Air for $2 More Eligible
No Reviews
Price: $14.99
Save: $5.50
(26% Off $20.49)
Part # 18-2950
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
No Reviews
Price: $23.99
Save: $8.50
(26% Off $32.49)
Part # 18-2951
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
No Reviews
Price: $12.99
Save: $3.50
(21% Off $16.49)
Part # 18-2952
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $19.99
Save: $7.00
(25% Off $26.99)
Part # 18-2954
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
No Reviews
Price: $15.99
Save: $6.50
(28% Off $22.49)
Part # 18-2956
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
Price: $23.00
Save: $7.99
(25% Off $30.99)
Part # 18-2957
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
Price: $23.00
Save: $8.49
(26% Off $31.49)
Part # 18-2958
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
No Reviews
Price: $23.99
Save: $10.00
(29% Off $33.99)
Part # 18-2959
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Price: $19.99
Save: $7.50
(27% Off $27.49)
Part # 18-2960
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $10.99
Save: $3.50
(24% Off $14.49)
Part # 18-2961
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Price: $17.99
Save: $7.50
(29% Off $25.49)
Part # 18-2962
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Price: $10.99
Save: $2.00
(15% Off $12.99)
Part # 18-2963
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $23.00
Save: $8.49
(26% Off $31.49)
Part # 18-2964
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $11.14
Save: $5.85
(34% Off $16.99)
Part # 18-3800
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $28.00
Save: $9.99
(26% Off $37.99)
Part # 18-3801
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
No Reviews
Price: $24.99
Save: $9.00
(26% Off $33.99)
Part # 18-3802
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Price: $17.99
Save: $5.00
(21% Off $22.99)
Part # 18-3803
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Price: $20.99
Save: $8.50
(28% Off $29.49)
Part # 18-3836
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $27.99
Save: $9.00
(24% Off $36.99)
Part # 18-3837
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
No Reviews
Price: $44.85
Save: $13.29
(22% Off $58.14)
Part # 18-3838
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $24.99
Save: $8.50
(25% Off $33.49)
Part # 18-3839
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
No Reviews
Price: $3.98
Save: $2.51
(38% Off $6.49)
Part # 18-3841-2
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Price: $18.99
Save: $6.00
(24% Off $24.99)
Part # 18-3866
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Mallory Gasket, Cylinder Head 9-63824
Price: $38.99
Save: $10.96
(21% Off $49.95)
Part # 9-63824
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $29.86
Save: $24.13
(44% Off $53.99)
Part # 18-0492
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Price: $31.80
Save: $25.69
(44% Off $57.49)
Part # 18-0491
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
No Reviews
Price: $4.41
Save: $6.08
(57% Off $10.49)
Part # 18-0490
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Johnson/Evinrude 185-250 Hp V6 Looper Big Bore Head Gasket
Price: $15.04
Save: $8.32
(35% Off $23.36)
Part # 505-13
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Johnson/Evinrude 85-115 / 140 Hp V4 Cross Flow Head Gasket
Price: $10.18
Save: $2.34
(18% Off $12.52)
Part # 505-08
2nd Day Air for $2 More Eligible
No Reviews
Johnson/Evinrude 60-75 Hp 3 Cylinder Head Gasket
Price: $13.95
Save: $3.22
(18% Off $17.17)
Part # 505-05
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
No Reviews
Johnson/Evinrude 40-60 Hp 2 Cylinder Head Gasket
Price: $9.43
Save: $13.53
(58% Off $22.96)
Part # 505-04
No Reviews
Johnson/Evinrude 120-140 Hp V4 Looper Small Bore Head Gasket
Price: $14.54
Save: $5.63
(27% Off $20.17)
Part # 505-17
Johnson/Evinrude V6 Small Bore Looper Head Gasket
Price: $18.40
Save: $5.79
(23% Off $24.19)
Part # 505-14
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
No Reviews
Johnson/Evinrude 200 / 225 Hp V6 Big Bore Looper Head Gasket
Price: $16.24
Save: $3.74
(18% Off $19.98)
Part # 505-12
SHIPS TODAY!* if ordered in 4 hrs 32 mins.
Hurry! Only 1 left in stock
No Reviews
Sierra
Average Customer Review for Head Gasket - 18-2956 - Sierra
Full StarFull StarFull StarFull StarFull Star
Based On 3 Reviews | Write Review
Full StarFull StarFull StarFull StarFull Star
Good fit, right price
by Jim from Apple Valley, Minnesota on September 01, 2015
I like that I can verify that the parts will fit my boat before I order. Also I reference the blog site for ideas and suggestions
Was this review helpful?
Full StarFull StarFull StarFull StarFull Star
Gasket was perfect.
by Michael from Opelousas, Louisiana on April 19, 2013
Great price and gasket fit just right.
(3 of 3 people found this review helpful)
Was this review helpful?
Full StarFull StarFull StarFull StarFull Star
Sierra head gasket
by Wayne from Aberdeen, South Dakota on April 30, 2012
Gasktet looked good, had markings so you don't install it wrong, and installed as aspected.
(1 of 2 people found this review helpful)
Was this review helpful?
Average Customer Review for Head Gasket - 18-2957 - Sierra
Full StarFull StarFull StarFull StarFull Star
Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull Star
good fit
by Anthony from Stafford Springs, Connecticut on April 07, 2012
Good fitting head gasket for a good price. Aftermarket is the way to go
Was this review helpful?
Average Customer Review for Head Gasket - 18-2959 - Sierra
Full StarFull StarFull StarFull StarFull Star
Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull Star
perfect
by Carl from La Porte, Texas on May 14, 2014
The gaskets worked great perfect fit and function.
Was this review helpful?
Average Customer Review for Head Gasket - 18-2961 - Sierra
Full StarFull StarFull StarFull StarFull Star
Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull Star
Gasket for 6hp
by Gerald from Big Stone Gap, Virginia on April 28, 2012
Gasket replaced no more water in lower cylinder little motor runs strong again. Thanks
Was this review helpful?
Average Customer Review for Head Gasket - 18-2962 - Sierra
Full StarFull StarFull StarFull StarFull Star
Based On 2 Reviews | Write Review
Full StarFull StarFull StarFull StarFull Star
sierra head gasket 18-2962
by Richard from Rocky Face, Georgia on March 30, 2015
arrived very fast and fit perfectly I am very satisfied
(1 of 1 people found this review helpful)
Was this review helpful?
Full StarFull StarFull StarFull StarFull Star
Head Gasket
by Michael from Waukee, Iowa on June 04, 2011
Fit great.
(1 of 2 people found this review helpful)
Was this review helpful?
Average Customer Review for Sierra 18-3802 Head Gasket
Full StarFull StarFull StarFull StarFull Star
Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull Star
Great Service
by William from Fairfield, California on February 28, 2015
Great price with timely delivery. Thanks to iboats
Was this review helpful?
Average Customer Review for Head Gasket - 18-3803 - Sierra
Full StarFull StarFull StarFull StarFull Star
Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull Star
great gasket
by Rhaed from OAK Harbor, Washington on July 21, 2014
Great product. All the holes lined up, went on easy. Runs great. Would recommend.
Was this review helpful?
Average Customer Review for Sierra 18-3841-2 - Head Gasket
Full StarFull StarFull StarFull StarFull Star
Based On 5 Reviews | Write Review
Full StarFull StarFull StarFull StarFull Star
gasket
by Richard from New Port Richey, Florida on October 09, 2015
great gasket
Was this review helpful?
Full StarFull StarFull StarFull StarFull Star
Head gasket for vintage outboard
by Vernie from Carmel, Indiana on June 27, 2015
good fit, prompt service
Was this review helpful?
Full StarFull StarFull StarFull StarFull Star
56 Evinrude 3 hp Lightwin head gasket
by Judson from Farmington, New Hampshire on July 14, 2014
Part delivered on time and works fine. Fixed my low compression problem.
Was this review helpful?
Full StarFull StarFull StarFull StarFull Star
Outstanding
by Douglas from Derry, New Hampshire on July 06, 2011
Great service, prices, and all the parts I need to keep my vintage outboards running well. Thank you iboats!
(1 of 2 people found this review helpful)
Was this review helpful?
Full StarFull StarFull StarFull StarFull Star
head gasket
by Barry from Point Roberts, Washington on June 12, 2011
fit perfectly
(1 of 1 people found this review helpful)
Was this review helpful?
Q:
Will this fit 90 hp?
A:
No this is only for 120 and 140 HP motors.


Ask a question
Question & Answer Guidelines
This product ships in 1 to 3 business days.
Add to Cart and enter your Postal Code to determine the shipping charges and estimated delivery date.
Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Standard Shipping Policies