Sierra Marine Parts Catalog
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5.0L
305/V-8
1988-1995
B774445
F600999
❷
,
❾
5.0L
305/V-8
1988-1995
B774445
F600999
❸
5.0L (GEN +) FWC
305/V-8
1998-2002
L015751
M599999
❻
18-1508
5.0L (GEN +) FWC
305/V-8
2002-2010
M600000
& UP
❻
5.0L (GEN +) ALPHA
305/V-8
1998-2002
L015751
M599999
❼
5.0L (GEN +) BRAVO
305/V-8
1998-2002
L015751
M599999
❼
5.0L (GEN +)
305/V-8
2002-2010
M600000
& UP
❼
5.0L EFI FWC
305/V-8
1998-2001
L012052
M299999
❻
18-1508
5.0L EFI ALPHA
305/V-8
1998-2001
L012052
M299999
❼
5.0L EFI BRAVO
305/V-8
1998-2001
L012052
M299999
❼
5.0L MIE FWC
305/V-8
1988
B788152
C396832
❻
5.0L MIE
305/V-8
1988
B788152
C396832
❼
,
❽
,
➀
5.0L MIE
305/V-8
1988
B788152
C396832
❶
,
❼
5.0L MPI FWC
305/V-8
2002
M300000
M599999
❻
5.0L MPI FWC
305/V-8
2002-2010
M600000
& UP
❻
5.0L MPI FWC DTS
305/V-8
2005-2010
W310000
& UP
❻
,
➆
5.0L MPI FWC EC
305/V-8
2008-2010
A300000
& UP
❻
,
➅
,
➇
5.0L MPI FWC EC DTS
305/V-8
2008-2010
A300000
& UP
❻
,
➆
,
➇
5.0L MPI
305/V-8
2002-2010
M300000
& UP
❼
,
➃
5.0L MPI ALPHA
305/V-8
2002
M300000
M599999
❼
,
➄
5.0L MPI BRAVO
305/V-8
2002
M300000
M599999
❼
,
➄
5.0L MPI
305/V-8
2002-2010
M600000
& UP
❼
,
➄
5.0L MPI EC
305/V-8
2008-2010
A300000
& UP
❼
,
➇
5.0L LX
305/V-8
1988-1995
B773740
F600999
❶
5.0LX
305/V-8
1988-1995
B773740
F600999
❷
,
❽
5.0LX
305/V-8
1988-1995
B773740
F600999
❸
898
305/V-8
1977-1982
4762210
6218461
898
305/V-8
1983-1984
6218462
6899057
225 (GM)
327/V-8
1967-1969
2399198
2694014
225 (GM)
327/V-8
1963-1967
1539620
2399197
N.L.A.
225 (GM)
2278647
2399197
225/225S FORD
3385721
UP
250 MCM/MIE
327/V-8
1968-1969
2314301
2639854
250
350/V-8
1977
4768000
4908849
250 (GM)
4768000
4908849
250 (GM)
4175500
5907057
255 (GM)
350/V-8
1975-1976
4175500
4767999
255 (GM) MIE
350/V-8
1975-1980
4175500
5907057
255 FORD
3258728
UP
—
255 FORD MCM/MIE
3258728
4178299
—
260
350/V-8
1978-1982
4908850
6218461
260
350/V-8
1982-1987
6218462
B773304
260 MIE FWC
350/V-8
1981-1987
5907058
B788151
❻
260 MIE
350/V-8
1981-1987
5907058
B788151
❼
260 GM
6218462
B525981
♥
260 GM
4908850
6218461
260 GM IB
➄
5907058
B522505
❼
260 GM IB
➅
5907058
B522505
❻
260 MIE
5907058
0B522505
260/5.7L GM IB
➂ ➄
B522506
B525981
☞
,
❼
260/5.7L GM IB
➃ ➄
B522506
B525981
♠
,
❼
260/5.7L GM IB
➃ ➄
B522506
B525981
♠
,
❼
♣
260/5.7L GM IB
➅
B522506
B525981
❻
260/5.7L GM
➂
B525982
F600999
♥
☞
260/5.7L GM
➃
B525982
F600999
♠
260/5.7L GM
➃
B525982
F600999
♣
260/5.7L GM
0B525982
0F600999
—
260/5.7L MIE
0B522506
0F024999
270 MCM/MIE
350/V-8
1969-1972
2851074
3385720
270 GM
2851074
3077735
280 GM
350/V-8
1975-1976
4176250
4770199
280 GM TRS
4176250
4770199
300
350/V-8
1985-1986
6668677
B430367
320 EFI
350/V-8
1987-1989
A543604
C622418
325 GM MCM/MIE
2278747
3780449
325 GM
2278747
2313964
—
325 GM
2313965
3042730
325 GM
3042731
UP
—
330 GM
4623115
UP
—
330 GM MCM/MIE
4623115
0B816540
330 GM W/BW
➄
6083145
UP
❼
330 GM W/BW
➅
6083145
UP
❻
350 MAG ALPHA
350/V-8
1987-1995
B525982
F600999
❷
,
❽
350 MAG ALPHA
350/V-8
1986-1995
A635178
B525981
❶
350 MAG ALPHA
350/V-8
1987-1995
B525982
F600999
❷
,
❾
350 MAG ALPHA
350/V-8
1987-1997
B525982
K999999
❸
350 MAG ALPHA EFI (GEN +)
350/V-8
1996-1997
F800300
K999999
350 MAG BRAVO MPI
350/V-8
1995-1997
F415189
K999999
350 MAG EFI SKI
350/V-8
1994-1997
F215561
K999999
350 MAG MPI FWC
350/V-8
1998-2001
L010019
M299999
❻
18-1508
350 MAG MPI
350/V-8
1998-2001
L010019
M299999
❼
350 MAG MPI FWC
350/V-8
2002
M300000
M599999
❻
350 MAG MPI FWC
350/V-8
2002-2010
M600000
& UP
❺
350 MAG MPI FWC DTS
350/V-8
2005-2010
W310000
& UP
❻
,
➆
350 MAG MPI FWC EC
350/V-8
2008-2010
A300000
& UP
❻
,
➅
,
➇
350 MAG MPI FWC EC DTS
350/V-8
2008-2010
A300000
& UP
❻
,
➆
,
➇
N/A
350 MAG MPI
350/V-8
2002
M300000
M599999
❼
,
➃
350 MAG MPI ALPHA
350/V-8
2002
M300000
M599999
❼
,
➄
350 MAG MPI BRAVO
350/V-8
2002
M300000
M599999
❼
,
➄
350 MAG MPI
350/V-8
2002-2010
M600000
& UP
❼
,
➄
350 MAG MPI
350/V-8
2002-2010
M600000
& UP
❼
,
➃
350 MAG MPI EC
350/V-8
2008-2010
A300000
& UP
❼
,
➇
350 MAG MPI HORIZON
350/V-8
2002
M300000
M599999
❻
350 MAG MPI HORIZON
350/V-8
2002-2007
M600000
A299999
❻
350 MAG MPI HORIZON MIE
350/V-8
1999-2001
L304700
M299999
❻
18-1508
350 MAG MPI HORIZON MIE
350/V-8
2002
M300000
M316999
❻
18-1508
350 MAG MPI HORIZON MIE
350/V-8
2002-2007
M317000
A089999
❻
350 MAG MPI MIE FWC
350/V-8
1998-2001
L002008
M299999
❻
18-1508
350 MPI MIE
350/V-8
1998-2001
L002008
M299999
❼
350 MAG MPI MIE FWC
350/V-8
2002
M300000
M316999
❻
18-1508
350 MAG MPI MIE FWC
350/V-8
2002-2007
M317000
A089999
❻
THERMOSTAT APPLICATION (Cont.)
I/O—MERCRUISER-CoolingSystem
Engine / Model
CID / # CYL
Year
Beginning
Ending
Housing
Thermostat
Thermostat &
Thermostat
Gaskets
Gaskets
Gaskets
Range
Serial #
Serial #
Cover
Gasket Kit
Required
Required - Design I
Required - Design I I
❶
Design I
❷
Design II
❸
Design III
❹
Aluminum Exhaust Manifold
❺
Cast Iron Exhaust Manifold
❻
Closed Cooling
❼
Standard Cooling
❽
With check ball
❾
Without check ball
❿
SN 4167000 & Up
➀
Original thermostat housing listed as NLA.
Order update kit 87290A23
➁
Original thermostat housing listed as NLA.
Order update kit 90736A24
➂
Complete thermostat housing kit kit
➃
Single and 3-point drain system
➄
7-point drain system
➅
Mechanical Throttle Body
➆
Digital Throttle Body
➇
Emission Control Engine
➈
Manual drain system
➉
Air Actuated drain system
☞
Old Design
♠
New Design
♣
160 degree
♥
For Stainless Steel version use 18-1989