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Sierra Marine Parts Catalog: Johnson Evinrude

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Piston Rings are available individually
SIERRA PISTON KIT CONTENTS
( SEE APPLICATION CHARTS FOR SPECIFIC APPLICATIONS )
Model / HP
Cyl.
Bore size
Piston
OEM Part #
Piston Ring
OEM Part #
OEM Part #
Circlips
OEM Part #
9.9/15
2
2.188 / std.
--
397487
18-3931
386279
N/A
--
325262
9.9/15
2
2.218 / .030
--
396574
18-3933
386280
N/A
--
325262
9.9/15
2
2.188 / std.
18-4061
387660
18-3931
386279
N/A
--
325262
9.9/15
2
2.218 / .030
18-4062
387661
18-3933
386280
N/A
--
325262
25-35
2
3.000 / std.
18-4107
392621
18-3910
396377
320954
18-4290
317831
25-35
2
3.020 / .020
18-4117
N/A
18-3911
396378
320954
18-4290
317831
25-35
2
3.030 / .030
--
396576
18-3912
396379
320954
18-4290
317831
35-60
2&3
3.187 / std.
--
391798
18-3913
391170, 434107
322188
18-4290
317831
35-60
2&3
3.207 / .020
N/A
18-3914
N/A
322188
18-4290
317831
35-60
2&3
3.217 / .030
396581
18-3915
391416, 434109
322188
18-4290
317831
60-75
3
3.000 / std.
18-4124
387284
18-3910
396377
320954
18-4290
317831
60-75
3
3.020 / .020
18-4114
387285
18-3911
396378
320954
18-4290
317831
60-75
3
3.030 / .030
18-4104
396583
18-3912
396379
320954
18-4290
317831
50-70
3
3.187 / std.
18-4063
394461
18-3913
391170, 434107
322188
18-4290
317831
50-70
3
3.217 / .030
18-4064
398483
18-3915
391416, 434109
322188
18-4290
317831
SIERRA v-4 / v-6 PISTON KIT CONTENTS
( SEE APPLICATION CHARTS FOR SPECIFIC APPLICATIONS )
Bore
Piston
Wrist
OEM
OEM
Model/HP
Cyl.
Size
Piston
OEM Part #
Ring
OEM Part #
Pin
Part #
Circlips
Part #
85-300
4&6
3.500
18-4120
393271, 393924
18-3904
394930
18-4280
327861
18-4290
317831
85-300
4&6
3.520
18-4110
--
18-3906
396503, 385662
18-4280
327861
18-4290
317831
85-300
4&6
3.530
18-4100
396585, 396588
18-3905
396504
18-4280
327861
18-4290
317831
150-235
4&6
3.625
18-4123
392455
18-3907
390509
18-4280
327861
18-4290
317831
150-235
4&6
3.645
18-4113
N/A
--
N/A
18-4280
327861
18-4290
317831
150-235
4&6
3.655
396587
18-3908
390510
18-4280
327861
18-4290
317831
Loopers
120-300
4&6
3.685 (port)
18-4065
432072, 432969
18-3975
431870
N.S.S.
--
18-4292
326765
120-300
4&6
3.685 (starboard)
18-4066
432073, 432970
18-3975
431870
N.S.S.
--
18-4292
326765
120-300
4&6
3.715 (port)
18-4067
432077, 433003
--
431844
N.S.S.
--
18-4292
326765
120-300
4&6
3.715 (starboard)
18-4068
432078, 433004
--
431844
N.S.S.
--
18-4292
326765
120-300
4&6
3.500 (port)
393566
18-3904
394930
18-4280
327861
18-4290
317831
120-300
4&6
3.500 (starboard)
--
391481
18-3904
394930
18-4280
327861
18-4290
317831
120-300
4&6
3.520 (port)
18-4112
N/A
18-3906
396503, 385662
18-4280
327861
18-4290
317831
120-300
4&6
3.520 (starboard)
18-4111
N/A
18-3906
396503, 385662
18-4280
327861
18-4290
317831
120-300
4&6
3.530 (port)
18-4102
393612
18-3905
396504
18-4280
327861
18-4290
317831
120-300
4&6
3.530 (starboard)
18-4101
391653
18-3905
396504
18-4280
327861
18-4290
317831
185,
standard
200-225
6
3.5995 (port)
18-4190
436860
18-3901
436254
--
--
--
--
185,
standard
200-225
6
3.5995 (starboard) 18-4079
436859
18-3901
436254
--
--
--
--
185,
.020
200-225
6
3.5995 (port)
18-4195
439015
--
439538
--
--
--
--
185,
.020
200-225
6
3.5995 (starboard) 18-4086
439516
--
439538
--
--
--
--
INLINE PISTON & RINGS APPLICATION
STD.
STD
.020 OS
.030 OS
STD
.020 OS
.030 OS
HP
YEAR
CYL
BORE
PISTON
PISTON
PISTON
RINGS
RINGS
RINGS
5/6/8
1986-95
2
1.937
18-4069
--
--
18-3972
--
--
9.9/15
1974-80
2
2.188
18-4061
--
18-4062
18-3931
--
18-3933
9.9/15
1981-93
2
2.188
--
--
--
18-3931
--
18-3933
10
1988-90
2
2.188
--
--
--
18-3931
--
18-3933
14
1988-90
2
2.188
--
--
--
18-3931
--
18-3933
15 4-Stroke
1995-UP
2
2.188
--
--
--
18-3931
--
18-3933
18 Jet
1995-98
2
3.000
18-4107
18-4117
--
18-3910
18-3911
18-3912
20
1981-99
2
3.000
18-4107
18-4117
--
18-3910
18-3911
18-3912
25
1977-80
2
3.000
--
--
--
18-3910
18-3911
18-3912
25
1981-96
2
3.000
18-4107
18-4117
--
18-3910
18-3911
18-3912
25
1983-93
2
3.187
--
18-4115
18-4105
18-3913
18-3914
18-3915
28
1986-96
2
3.000
18-4107
18-4117
--
18-3910
18-3911
18-3912
242
APPLICATION CHART CONTINUED ON NEXT PAGE