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Sierra Marine Parts Catalog: Mercruiser

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THERMOSTAT APPLICATION (Cont.)
Engine / Model
CID / # CYL
Year
Beginning
Ending
Housing
Thermostat
Thermostat &
Thermostat
Gaskets
Gaskets
Gaskets
Range
Serial #
Serial #
Cover
Gasket Kit
Required
Required - Design II
Required - Design III
350 MAG MpI MIe
350/V-8
2002-2007
M300000
A089999
18-3647
18-3649
18-0398
350 MAG MpI SKI
350/V-8
1995-2001
F350583
M299999
18-3530-1
18-3647
18-3649
18-0398
350 MAG MpI SKI
350/V-8
2002-2007
M300000
A089999
18-3647
18-3649
18-0398
350 MAG SKI
350/V-8
1991-1996
D505450
K040399
,
18-3668
18-3551
18-7173
18-2552
18-2917
18-3647
18-3649
18-0398
350/V-8
1991-1997
D505450
K999999
18-3530-1
350 MAG SKI
5.7L
350/V-8
1988-1995
B773305
F600999
18-1994  ❶
18-1977-1
18-3668
18-3551
18-2554
18-2553
18-2917
350/V-8
1988-1995
B773305
F600999
,
18-3668
18-3551
18-7173
18-2552
18-2917
5.7L
350/V-8
1988-1995
B773305
F600999
,
18-3668
18-3551
18-7173
18-2552
18-2917
5.7L
18-3647
18-3649
18-2844
18-0398
350/V-8
1988-1996
B773305
K001526
5.7L
5.7L FWC
350/V-8
1997
K001527
K999999
18-3531  ❻
18-3568
18-3555
18-1508
5.7L ALpHA
350/V-8
1988-1997
B773305
F600999
18-3647
18-3649
18-0398
5.7L BrAVo
350/V-8
1995-1997
F601000
K999999
18-3530-1
18-3647
18-3649
18-0398
5.7L (GeN +) FWC
350/V-8
1998-2002
L010037
M599999
18-3531  ❻
18-3568
18-3555
18-1508
5.7L (GeN +) ALpHA
350/V-8
1998-2002
L010037
M599999
18-3647
18-3649
18-0398
5.7L (GeN +) BrAVo
350/V-8
1998-2002
L010037
M599999
18-3530-1
18-3647
18-3649
18-0398
5.7L (GeN +) FWC
350/V-8
2002-2010
M600000
& Up
18-0398
5.7L (GeN +)
350/V-8
2002-2010
M600000
& Up
18-3647
18-3649
18-0398
5.7L eFI FWC
350/V-8
1995-1996
F225560
K001505
18-3647
18-3649
18-2844
18-0398
5.7L eFI FWC
350/V-8
1997-2001
K001506
M299999
18-3531  ❻
18-3568
18-3555
18-1508
5.7L eFI ALpHA
350/V-8
1995-2001
F355305
M299999
18-3647
18-3649
18-0398
5.7L eFI BrAVo
350/V-8
1995-2001
F225560
M299999
18-3530-1
18-3647
18-3649
18-0398
5.7L eFI MIe (GeN +) FWC
350/V-8
1997
K040300
K999999
18-3531  ❻
18-3568
18-3555
18-1508
5.7L eFI MIe (GeN +)
350/V-8
1997
K040300
K999999
18-3530-1
18-3647
18-3649
18-0398
5.7L MIe
350/V-8
1988-1995
B788152
F600999
18-1994  ❶
18-1977-1
18-3668
18-3551
18-2554
18-2553
18-2917
5.7L MIe
350/V-8
1988-1995
B788152
F622099
,
18-3668
18-3551
18-7173
18-2917
350/V-8
1988-1995
B788152
F622099
,
18-3668
18-3555
18-7173
18-2917
5.7L MIe
5.7L MIe FWC
350/V-8
1988-1996
B788152
K04306
18-3647
18-3649
18-2844
5.7L MIe FWC
350/V-8
1997-2002
K040307
M316999
18-3531  ❻
18-3568
18-3555
18-1508
5.7L MIe
350/V-8
1996-2002
F622100
M316999
18-3647
18-3649
18-0398
5.7L MIe FWC
350/V-8
2002-2010
M317000
& Up
18-0398
5.7L MIe
350/V-8
2002-2010
M317000
& Up
18-3647
18-3649
18-0398
5.7L MpI HorIZoN MIe
350/V-8
2008-2010
A0900000
& Up
18-0398
5.7L MpI MIe FWC
350/V-8
2008-2010
A0900000
& Up
18-0398
5.7L MpI MIe FWC DTS
350/V-8
2008-2010
A0900000
& Up
,
18-0398
18-0398
5.7L MpI MIe FWC eC
350/V-8
2008-2010
A0900000
& Up
, ,
18-0398
5.7L MpI MIe FWC eC DTS
350/V-8
2008-2010
A0900000
& Up
, ,
5.7L MpI MIe
350/V-8
2008-2010
A0900000
& Up
18-3647
18-3649
18-0398
18-3647
18-3649
18-0398
5.7L MpI MIe eC
350/V-8
2008-2010
A0900000
& Up
,
5.7L MpI SKI
350/V-8
2008-2010
A0900000
& Up
18-3647
18-3649
18-0398
18-3647
18-3649
18-0398
5.7L MpI SKI eC
350/V-8
2008-2010
A0900000
& Up
5.7L SKI
350/V-8
1985-1995
A338553
F775199
18-1994
18-1977-1
18-3668
18-3551
18-2554
18-2553
18-0398
350/V-8
1987-1995
B514627
F775199
,
18-3668
18-3551
18-7173
18-0398
5.7L SKI
350/V-8
1987-1995
B514627
F775199
,
18-3668
18-3551
18-7173
18-0398
5.7L SKI
18-3647
18-3649
18-0398
350/V-8
1996-2002
F775200
M316999
18-3530-1
5.7L SKI
5.7L SKI
350/V-8
2002-2010
M317000
& Up
18-3647
18-3649
18-0398
5.7LX ALpHA
350/V-8
1995-1997
F601000
K999999
18-3647
18-3649
18-0398
5.7LX BrAVo
350/V-8
1995-1997
F601000
K999999
18-3530-1
18-3647
18-3649
18-0398
5.7LX rWC
350/V-8
1996
F601000
K001526
18-3647
18-3649
18-2844
18-0398
5.7LX rWC
350/V-8
1997
K001527
K999999
18-3531
18-3568
18-3555
18-1508
5.7LX BrAVo eFI (GeN +) FWC
350/V-8
1996
F800300
K001508
18-3647
18-3649
18-2844
18-0398
5.7LX BrAVo eFI (GeN +) FWC
350/V-8
1997
K001509
K999999
18-3568
18-3555
18-0398
5.7LX BrAVo eFI (GeN +)
350/V-8
1996-1997
F800300
K999999
18-3530-1
18-3647
18-3649
18-0398
5.7LX eFI FWC
350/V-8
1996
F752400
K001505
18-3647
18-3649
18-2844
18-0398
5.7LX eFI FWC
350/V-8
1997
K001506
K999999
18-3531
18-3568
18-3555
13-0398
5.7LX eFI ALpHA
350/V-8
1996-1997
F752400
K999999
18-3647
18-3649
18-0398
5.7LX eFI BrAVo
350/V-8
1996-1997
F752400
K999999
18-3530-1
18-3647
18-3649
18-0398
5.7 GM ALpHA
F225560
0K999999
18-3647
18-3649
18-2917
--
5.7 GM BrAVo
F225560
0K999999
18-3647
18-3649
18-2917
--
5.7L/eFI GM ALpHA
L010037
Up
18-3647
18-3649
18-2917
--
5.7L/eFI GM BrAVo
L010037
Up
18-3647
18-3649
18-2917
--
5.7L MIe
F025000
0F622099
18-3647
18-3649
18-2844
--
5.7L MIe
F622100
0K999999
18-3647
18-3649
18-2917
--
5.7L MIe
F622100
0K999999
18-3647
18-3649
18-2844
--
5.7L MIe
L002003
Up
18-3647
18-3649
18-2917
--
BLACK SCorpIoN SKI
350/V-8
1996-2001
0F800000
M391599
18-3530-1
18-3647
18-3649
18-0398
BLACK SCorpIoN SKI
350/V-8
2003-2006
M391600
W690192
18-3647
18-3649
18-0398
BLACK SCorpIoN SKI
350/V-8
2006-2007
W690193
W698432
18-3647
18-3649
18-0398
BLACK SCorpIoN SKI
350/V-8
2003-2007
M391600
W698433
18-3647
18-3649
18-0398
SCorpIoN 350
350/V-8
2008-2010
W698433
& Up
18-3647
18-3649
18-0398
SCorpIoN 350
350/V-8
2008-2010
W698433
& Up
18-3647
18-3649
18-0398
18-3647
18-3649
18-0398
SCorpIoN 350 eC
350/V-8
2008-2010
W698433
& Up
233 MCM (ForD)
351/V-8
1975-1977
4173000
4902304
18-3646
18-3551
18-2834
233 MIe (ForD)
351/V-8
1975-1977
4173000
4902304
18-3646
18-3551
18-2834
255 MCM/MIe (ForD)
351/V-8
1973-1974
3258728
4178299
18-3646
18-3551
18-2834
377 MAG FWC
377/V-8
2008-2010
A300000
& Up
,
18-0398
377 MAG FWC DTS
377/V-8
2008-2010
A300000
& Up
,
18-0398
18-0398
377 MAG FWC eC
377/V-8
2008-2010
A300000
& Up
,
18-0398
377 MAG FWC eC DTS
377/V-8
2008-2010
A300000
& Up
, ,
377 MAG
377/V-8
2008-2010
A300000
& Up
,
18-3647
18-3649
18-0398
377 MAG
377/V-8
2008-2010
A300000
& Up
,
18-3647
18-3649
18-0398
18-3647
18-3649
18-0398
377 MAG eC
377/V-8
2008-2010
A300000
& Up
,
377 SCorpIoN MCM
377/V-8
1999-2005
L416146
M907201
18-1977-1
18-3551
18-0398
18-2553
377 SCorpIoN SKI
377/V-8
1997-1998
K000656
L600314
18-3647
18-3649
18-0398
MX 6.2L MpI FWC
377/V-8
2000-2001
L680003
M299999
18-3531  ❻
18-3568
18-3555
18-0398
MX 6.2L MpI
377/V-8
2000-2001
L680003
M299999
18-3530-1
18-3647
18-3649
18-0398
MX 6.2L MpI FWC
377/V-8
2002
M300000
M599999
18-3568
18-3555
18-0398
MX 6.2L MpI FWC
377/V-8
2002-2007
M600000
A299999
18-0398
MX 6.2L MpI
377/V-8
2002-2007
M300000
A299999
,
18-3647
18-3649
18-0398
MX 6.2L MpI
377/V-8
2002-2007
M300000
A299999
,
18-3647
18-3649
18-0398
MX 6.2L MpI HorIZoN
377/V-8
2002
M300000
M599999
18-3568
18-3555
18-0398
MX 6.2L MpI HorIZoN
377/V-8
2002-2007
M600000
A299999
18-0398
MX 6.2L MpI HorIZoN MIe
377/V-8
2002
M300000
M316999
18-3568
18-3555
18-0398
MX 6.2L MpI HorIZoN MIe
377/V-8
2002-2010
M317000
& Up
18-0398
MX 6.2L MpI MIe FWC
377/V-8
1999-2002
L670000
M316999
18-3568
18-3555
18-0398
MX 6.2L MpI MIe FWC
377/V-8
2002-2010
M317000
& Up
,
18-0398
MX 6.2L MpI MIe FWC DTS
377/V-8
2008-2010
A0900000
& Up
,
18-0398
18-0398
MX 6.2L MpI MIe FWC eC
377/V-8
2008-2010
A0900000
& Up
, ,
18-0398
MX 6.2L MpI MIe FWC eC DTS
377/V-8
2008-2010
A0900000
& Up
, ,
MX 6.2L MpI MIe
377/V-8
2002-2010
M300000
& Up
18-3647
18-3649
18-0398
MX 6.2L MpI MIe
377/V-8
2008-2010
A0900000
& Up
18-3647
18-3649
18-0398
MX 6.2L BLACK SCorpIoN
377/V-8
2001-2002
L005601
M391599
18-3530-1
18-3647
18-3649
18-0398
Design I
Without check ball
7-point drain system
160 degree
Design II
SN 4167000 & Up
Mechanical Throttle Body
For Stainless Steel version use 18-1989
Design III
Original thermostat housing listed as NLA.
Digital Throttle Body
Aluminum Exhaust Manifold
Order update kit 87290A23
Emission Control Engine
Cast Iron Exhaust Manifold
Original thermostat housing listed as NLA.
Manual drain system
Closed Cooling
Order update kit 90736A24
Air Actuated drain system
Standard Cooling
Complete thermostat housing kit kit
Old Design
638
With check ball
Single and 3-point drain system
New Design