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OMC STERNDRIVE/COBRA
Fuel/Cooling Systems
PKG OF 10
SNAPPER
CLAMPS
Clamp
Clamp
Part #
O.E. #
Range
Size
18-8020 (1) 322652
.538 - .608
8
18-8021 (1) 911616
.597 - .665
10
18-8034 (1) 329654
.670 - .780
12
18-8072
HOSE BARB
18-8200 (1) 322653
.360 - .406
2
FUEL ELBOW
NPT Thread
18-8201 (1) 124249
3/8" Hose Barb with
.410 - .468
4
18-8074
18-8055
3/8" NPT Thread
18-8202 (1) 322654
.475 - .536
6
3/8" with 1/4"
5/16" with 1/4"
Replaces: 174177
Replaces:
Replaces:
18-8203 (1) 329653
.750 - .875
14
90°
173312
173311
18-8204 (1) 324825
.875 - .975
19
ALL SIERRA WATER PUMPS ARE BI-DIRECTIONAL
18-3574
CIRCULATING WATER PUMP
18-3577
18-3575
Big block GM engines with composite
CIRCULATING WATER PUMP
CIRCULATING WATER PUMP
timing covers "Late Model" includes
Replaces: GM 6269358, OMC 987447,
Replaces: 984360, 986779, 380640,
482 and 502 CID
983296, 986074, 3854118
3854017
Replaces: 3855991
18-3583
18-3578
18-3584
CIRCULATING WATER PUMP
CIRCULATING WATER PUMP
CIRCULATING WATER PUMP
Replaces: 985429, 980477, 382218,
Replaces: 984876
Replaces: 982517, 3853796, 982515
3853850
WATER CIRCULATING PUMP APPLICATION
Model
Year
Part #
Model
Year
Part #
Model
Year
Part #
2.3
1987-90
18-3578
245
1972-75
18-3583
165
1972-76
18-3575
2.5
1982-86
18-3575
175
1977
18-3584
245
Jet Drive
1972-75
18-3583
3
1982-92
18-3575
185
1967-80
18-3583
250
3.8
1981-86
18-3583
190
1977
18-3584
Inboard
1970-74
18-3583
4.3
1985-92
18-3583
200
1979-81
18-3583
250
1979
18-3575
5
1982-88
18-3583
210
1968-70
18-3583
260
5
1989-92
18-3575
210
Inboard
1975-76
18-3583
Inboard
1970-72
18-3583
5.7
1982-92
18-3583
260
1979-81
18-3583
215
1971
18-3583
5.8
1989-92
18-3575
262
1989
18-3583
100
1972
18-3575
225
1972-78
18-3583
290
100
1973
18-3583
225
Jet Drive
1974-75
18-3583
Inboard
1973-74
18-3583
120
1965-69
18-3575
305 CID IB
1977-82
18-3583
230
120
1972
18-3575
350 CID IB
1977-82
18-3583
Inboard
1975-76
18-3583
120
1973-74
18-3583
350
1988-92
18-3583
230
1979-81
18-3583
120
1975-81
18-3575
351
1992
18-3584
235
1971
18-3583
140
454 CID IB
1977-80
18-3577
Jet Drive
1973
18-3575
235
1977
18-3584
454 CID IB
1982
18-3583
140
1973-81
18-3575
240
1978
18-3584
(1) This product is priced per piece. To order priced per package, please add -9 to the part number.
749