Mercruiser parts warehouse / stern drive drawings

Mercruiser manifold component application chart

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Lower gearcase parts drawings number 25 thru 57
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U-joint assembly
Anode - trim tab aluminum or magnesium
Anodes magnesium
Bearings shims seals lower gearcase
Bearings - tapered roller
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Bearing (ball type reverse gear)
Bearing - forward gear
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Gear set-seals-cluch-dog-bearings-shims
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Impellers
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Key way ( bearing carrier )
Manifolds - exhaust
manifold component application
Manifold GM 262 / 4.3L V6
Manifold GM 250/292 inline 6 cyl.
Manifolds GM 120/140hp 4cyl. 1982 thru 1995
Manifolds GM 140hp 4Cyl. 181 CID 1968/82
Manifold 4 cylinder 1990 & up
Manifold components 165/170/180/190 3.7 liter XL 470
488 / 485 / 470 Engine help page
Manifold set GM 229/262 V6
Manifold GM 229 / 262 V6 1983 & UP
Manifolds GM 305/350 V8 1977-1982 parts
Manifolds GM 305 327 350 before 1977
Manifold GM 305-350 V8 1983 up
Manifold GM 427 454 482 V8 (1968 -1986)
Manifold kits - aluminum
Manifold-gaskets
Nut propeller lock nut
Nuts - water pump impeller
Nuts
Nut - pinion nut
Nut - cover
Nut bearing retainer
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Oil plug - magnetic
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Propeller shaft
Ring - upper gearcase
Screen - port insert
Screen - starboard insert
Screw - insert screen
Seal kit # 87510 lower gearcase
Seal kit (upper gearcase)
Shift crank
Shift shaft
Gasket - washer shift shaft
Shift spool
Shift cable kits
Shift cable assembly
Shims (reverse gear)
Shim application guide
Shims / Shim kits upper gearcase
Shims forward gear backlash
Shim kit lower gearcase tapered bearing
Shipping address
Solenoids-marine engine starter
Solenoids - electrical
Spring - clutch dog
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Tab washer receiver
Tab washer
Tab washer - keyed
Thermostat Housing Assembly
Thermostat kits - engine
Thrust hub
Thrust hub spacer
Thrust ring shim
Thrust ring
Tools
Transom service kits
Transom service kit application
Transom plate / shift cable
Trim connector kit
Trim cylinder repair components with layout
Trim cylinder hoses - 120 to 260
Trim cylinder repair
Trim cylinders application
Trim hoses ram bushings, pins 1972-1982
Tune Up Kits
U-joint
U-Joint socket
Upper gear set application guide
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Voltage Regulator
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Water pumps - sea
Water Pump Gaskets
Water pump screw
Water pump base
Water pump housing
Washer - hub lock
Water pump tube guide
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Yoke
Yoke - drive shaft
Oil pump
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Carrier assembly
Mercruiser exhaust manifold & elbow component part application
  • Exhaust manifold port and starboard
  • Exhaust elbow
  • Exhaust gaskets for elbow and manifold
  • Mercruiser manifold page with parts
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W Mercruiser exhaust manifold.jpg
Mercruiser exhaust manifold

Model number
C.I.D. Cyl.
Year
Serial number
Exhaust manifold port
Exhaust manifold stbd.
Exhaust elbow
Exhaust gasket manifold
Exhaust gasket elbow
120
153 / 4
1983-1986
6229718-OB531853
N/A
51130
31520
2.5
153 / 4
1967-1989
OB531854-0C853255
 
N/A
51130
31520
140
181/4
1968-1982
2508261-6229717
N/A
51120
31520
140
181/4
1982-1986
6229718-OB450800
N/A
51130
31520
3.0
181/4
1987-1995
OB450801-OF603999
N/A
51130
31520
3.0
181/4
1998-
OL010042 and up
N/A
51160
31520
3.0LX
181/4
1990-1997
OC856559-OK999999
N/A
51160
31520
165(4cyl)
224/4
1987-1987
OB434941-OB774251
N/A
51180
32470
165(4cyl)
224/4
1987-1987
OB434941-OB774251
N/A
51170
32460
170
224/4
1985-1986
6916779-OB434940
N/A
51180
32470
170
224/4
1985-1986
6916779-OB434940
N/A
51170
32460
180
224/4
1987-1987
OB436391-OB775248
N/A
51180
32470
180
224/4
 
1987-1987
OB436391-OB775248
N/A
51170
32460
190
224/4
1985-1986
6916779-OB436390
N/A
51180
32470
3.7
224/4
1988-1989
OB774252 and up
N/A
51180
32470
3.7
224/4
1988-1989
OB774252 and up
N/A
51170
32460
3.7XL
224/4
1988-1989
OB775249 and up
N/A
51180
32470
3.7LX
224/4
1988-1989
OB775249 and up
N/A
51170
32460
470
224/4
1976-1977
4208730-4625579
-
N/A
51130
31520
470 MCM &MIE
224/4
1977-1982
4625580-6218036
-
N/A
51170
31520
470
224/4
1983-1984
6218037-6916778
N/A
51170
32460
485
224/4
1980-1982
5685394-6218036
N/A
51170
32370
488
224/4
1983-1984
6170297-6916778
N/A
51170
32460
140(6cyl)
194/6
1963-1963
1538930-1725960-
N.L.A.
N/A
N.L.A.
N.L.A.
150
230/6
1964-1966
1666495-2048046
N.L.A.
N/A
N.L.A.
N.L.A.
160
250/6
1967-1969
2048022-2770031
N.L.A.
N/A
N.L.A.
N.L.A.
165(6cyl)
250/6
1970-1981
2770032-5813433
 
N/A
51120
31520
200(6cyl)
292/6
1969-1969
2453769-2712072
 
N/A
51120
31520
185(4bbl)
229/V-6
1983-1984
6330183-6919655
51220
51110
30240
175
262/V-6
1987-1987
OB527955-OB773242
51220
51140
30240
185(2bbl)
262/V-6
1985-1986
OA331455-OB527954
51220
51110
30240
185(2bbl)
262/V-6
1985-1986
OA331455-OB527954
51220
51140
30240
205
262/V-6
1985-1986
OA331455-OB527954
51220
51110
30240
205
262/V-6
1985-1986
OA331455-OB527954
51220
51140
30240.
205
262/V-6
1987-1987
OB527955-OB775129
51220
51140
30240.
262Mag EFI (Gen+)
262/V-6
1996-1997
OF803800-OK999999
51220
51140
32080
262Mag EFI (Gen+)
262/V-6
1996-1997
OF803800-OK999999
51226
N/A
N/A
4.3L
262/V-6
1988-1996
OB773243-OF802999
51220
51140
30240
4.3L (GEN+)
262/V-6
1998-2001
OL010044 and up
51220
51140.
32080
4.3L (GEN+)
262/V-6
1998-2001
OL010044 and up
51226
N/A.
N/A
4.3L EFI(Gen+)
262/V-6
1998-2001
OL012009 and up
51220
51140.
32080
4.3L EFI(Gen+)
262/V-6
1998-2001
OL012009 and up
51226
N/A
N/A
4.3L MPI
262/V-6
2001-2001
OM300000 and up
51220
51140.
30240
4.3LH (Gen+)
262/V-6
1998-2001
OL010044 and up
51220
51140.
32080
4.3LH (Gen+)
262/V-6
1998-2001
OL010044 and up
51226
N/A
N/A
4.3LX (4bbl) 
262/V-6
1998-1996
OB775130-OF802999
51220
51140.
30240
4.3LX(GEN+) (2bbl) 
262/V-6
1996-2001
OF803800-OK999999
51220
51140.
32080
4.3LX(GEN+) (2bbl) 
262/V-6
1996-2001
OF803800-OK999999
51226
N/A
N/A
4.3LXH(Gen+)
262/V-6
1996-1997
OF803814-OK999999
51220
51140.
32080
4.3LXH(Gen+)
262/V-6
1996-1997
OF803814-OK999999
51226
N/A
N/A
215
302/V-8
1970-1970
2781153-3040410
51252
51120
31520
215
302/V-8
1971-1972
3040411-3385720
51252
51120
31520
215 MIE
302/V-8
1970-1970
2781153-3040410
51252
51190
31520
215 MIE
302/V-8
1971-1972
3040411-3563181
51252
51190
31520
225 (Ford)
302/V-8
1973-1974
3385721-4166999
51252
51120
31520
225MIE (Ford)
302/V-8
1973-1974
3385721-4176999
51252
51190
31520
888
302/V-8
1971-1977
3108723-4887829
51252
51120
31520
190
283/V-8
1963-1964
1564539-1730903
N.L.A.
N.L.A.
N.L.A.
198 MIE
305/V-8
1977-1977
4776402-4931099
51234
51194
31480
198 MIE
305/V-8
1977-1977
4776402-4931099
51238
51190
31520
200
305/V-8
1985-1987
6899058-OB525981
51230
51110
30240
200
305/V-8
1985-1987
6899058-OB525981
51230
51140
30240
200
305/V-8
1985-1987
OB525982-OB774444
51230
51140
30240
228
305/V-8
1977-1977
4765100-4888929
51234
51194
31480
228
305/V-8
1977-1982
4888930-6218461
51238
51120
31520
228
305/V-8
1985-1987
6899058-OB525981
51230
51110
30240
228
305/V-8
1983-1985
6218462-OF600999
51230
51140
30240
228 TR
305/V-8
1977-1977
4765100-4888929
51234
51194
31480
228 TR
305/V-8
1977-1978
4888930-5170008
51238
51120
31520
228 MIE
305/V-8
1977-1977
4765100-4888929
51234
51196
31480
228 MIE
305/V-8
1977-1978
4888930-590757
51238
51190
31520
230
305/V-8
1985-1987
6899269-0B525981
51230
51110
30240
230
305/V-8
1985-1987
6899269-0B525981
51230
51140
30240
230
305/V-8
1987-1987
0B525982-0B773739
51230
51140
30240
230 MIE
305/V-8
1981-1987
5907058-0B788151
51230
51110
30240
230 MIE
305/V-8
1981-1987
5907058-0B788151
51230
51110
30240
230 MIE
305/V-8
1981-1987
5907058-0B788151
51230
51140
30240
5.0L
305/V-8
1988-1995
0B774445-0F600999
51230
51140
30240
5.0L (Gen +)
305/V-8
1998-2001
0L015751 and up
51230
51140
30280
5.0L EFI   (Gen +)
305/V-8
1998-2001
0L012052 and up
51230
51140
30280
5.0L MIE
305/V-8
1988-1988
0B788152-0C396832
51230
51140
30240
5.0L MPI
305/V-8
2001-2001
0M300000 and up
51230
51140
30240
5.0 LX
305/V-8
1988-1995
0B773740-0F600999
51230
51140
30240
898
305/V-8
1977-1982
4766210-6218461
51234
51194
31480
898
305/V-8
1977-1982
4766210-6218461
51238
51120
31520
898
305/V-8
1983-1984
6218462-6899057
51230
51110
30240
898
305/V-8
1983-1984
6218462-6899057
51230
51140
30240
225 (GM)
327/V-8
1963-1968
1539620-2399397
N.L.A.
N.L.A.
N.L.A.
225 (GM)
327/V-8
1968-1969
2399398-2694014
51234
51194
31480
225 MIE (GM)
327/V-8
1968-1968
2278647-2399387
N.L.A.
N.L.A.
N.L.A.
225 MIE (GM)
327/V-8
1968-1969
2399398-2694014
51234
51196
31480
250
327/V-8
1968-1969
2314301-2639854
51234
51194
31480
250 MIE
327/V-8
1968-1969
2314301-2639854
51234
51196
31480
250
350/V-8
1977-1977
4768000-4908849
51234
51194
31480
250
350/V-8
1983-1987
4768000-4908849
51238
51120
31520
255 (GM)
350/V-8
1975-1976
4175500-4499060
51234
51194
31480
255 (GM)
350/V-8
1976-1976
4499061-4767999
51238
51120
31520
255 MIE (GM)
350/V-8
1975-1976
4175500-4499060
51234
51196
31480
255 MIE (GM)
350/V-8
1976-1980
4499061-5907057
51238
51190
31520
260
350/V-8
1978-1982
4908850-6218461
51238
51120
31520
260
350/V-8
1983-1987
6218462-0B773304
51230
51110
30240
260 MIE
350/V-8
1981-1987
5907058-oF024999
51230
51192
30240
260 MIE
350/V-8
1981-1987
5907058-0F024999
51230
51110
30240
260 MIE
350/V-8
1981-1987
5907058-0F024999
51230
51140
30240
270
350/V-8
1969-1972
2851074-3385720
51234
51194
31480
270 MIE
350/V-8
1969-1972
2851074-3077735
51234
51196
31480
280 TRS
350/V-8
1975-1976
4176250-4770199
51234
51194
31480
280 TRS
350/V-8
1975-1976
4176250-4770199