Sierra No.CROSS No.PhotoBrandDescriptionEngine
23-3605Westerbek
24690
WesterbekeThermostatTemperature Rating: 180F
23-3604Westerbeke
46097
WesterbekeThermostatTemperature Rating: 140F
23-3600Westerbeke
24688
WesterbekeThermostatTemperature Rating: 180F
23-3603Westerbeke
39378
WesterbekeThermostatTemperature Rating: 160F
23-3601Westerbeke
35736
WesterbekeThermostatTemperature Rating: 140F
23-3602Westerbeke
37387
WesterbekeThermostatTemperature Rating: 140F
23-3609Kohler
252896
KohlerThermostatTemperature Rating: 170F
23-3607Kohler
352018
KohlerThermostatTemperature Rating: 195F
23-3606Onan
309-0130
OnanThermostatTemperature Rating: 143F
23-3608Kohler
249930
KohlerThermostatTemperature Rating: 190F
18-3543Johnson/Evinrude Outboard
378065
393659
434841
437414
5005440
508626
Johnson/Evinrude OutboardThermostatTemperature Rating: 143¡«F
18-3540Mallory
9-43035
Yamaha Outboard
688-12411-00-00
688-12411-01-00
688-12411-10-00
688-12411-11-00
6E5-12411-10-00
6E5-12411-20-00
6E5-12411-30-00
Yamaha OutboardThermostatTemperature Rating: 122¡«F / 50¡«C
Note: Will not fit 3.1L
18-3544Johnson/Evinrude Outboard
435491
437090
Mallory
9-43032
9-43036
Johnson/Evinrude OutboardThermostat
18-3553GLM
13010
Mallory
9-43019
Mercury Marine
62981
66850
75692
75692B
Mercury MarineThermostatTemperature Rating: 143¡«F
18-3649Crusader
97895
GLM
13100
Mallory
9-43002
Mercruiser Stern Drive
8052732
8072522
807252T2
8M0091470
8M0109441
Mercruiser Stern DriveThermostatTemperature Rating: 160¡«F
Fits: 1987 & newer GM engines with standard cooling requiring a 160¡« thermostat
18-3551Chrysler Inboard
4142885
Crusader
96319
GLM
13030
Mallory
9-43013
Mercruiser Stern Drive
32728
35884
59137
59137A1
67464
8052731
8072521
807252T1
8M0089715
Osco
143-DEG
Pleasurecraft
RO26002E
Mercruiser Stern Drive
Mercury Race Sterndrive
ThermostatTemperature Rating: 142¡«F
Used on all V-8 Chrysler engines w/Rochester carburetors 1986 - present
For: Raw water cooled engines
For Ford 302 / 351 CID Engines
O.D.: 2.125
Height: 1.50
18-3549GLM
13120
Mallory
9-43014
Mercury Marine
14586
Sears
14586
Mercury Marine
Sears
ThermostatTemperature Rating: 120¡«F
18-3500GLM
13170
Johnson/Evinrude Outboard
394409
434137
Johnson/Evinrude OutboardThermostatTemperature Rating: 140¡«
18-3561GLM
13150
Johnson/Evinrude Outboard
436195
Mallory
9-43023
Johnson/Evinrude OutboardThermostatTemperature Rating: 143¡«F
18-3535Mercury Marine
885599003
885599004
8855991
8M0057307
Mercury MarineThermostatTemperature Rating: 130¡«F (54¡«C)
18-3557Chrysler/Force/US Marine
F335068
GLM
13080
Johnson/Evinrude Outboard
382385
396987
Mallory
9-43024
Mercruiser Stern Drive
47594
Volvo Penta
21148403
Mercruiser Stern Drive
Chrysler/Force/US Marine
Volvo Penta
Johnson/Evinrude Outboard
ThermostatTemperature Rating: 143¡«F (62¡« C)
Fits: MCM GM in-line 6 cyl.
18-3554GLM
13060
Mallory
9-43021
OMC Inboard
383307
OMC Stern Drive
379754
383307
3852216
3856961
Volvo Penta
3856961
Volvo Penta
OMC Stern Drive
OMC Inboard
ThermostatTemperature Rating: 160¡«F
18-3550Chrysler/Force/US Marine
F84068
F84068-1
F84068-2
F85068-2
GLM
13020
Mallory
9-43020
Mercruiser Stern Drive
59078
59078A1
59078B
Mercruiser Stern Drive
Chrysler/Force/US Marine
ThermostatTemperature Rating: 140¡«F
Fits: MerCruiser 120/2.5L (s/n 2324347 & Up) w/cast iron exhaust manifolds
Fits: Mercruiser 140-3.0L (s/n 0L340999 & below) and 165
18-3541Mallory
9-43037
Yamaha Outboard
66M-12411-00-00
66M-12411-01-00
6G8-12411-00-00
6G8-12411-01-00
6G8-12411-02-00
6G8-12411-03-00
Yamaha OutboardThermostatTemperature Rating: 140¡«F / 60¡«C
18-3545Johnson/Evinrude Outboard
437090
Mallory
9-43031
Johnson/Evinrude OutboardThermostatTemperature Rating: 130¡«F
18-3558GLM
13070
OMC Stern Drive
3853799
982554
Volvo Penta
3853799
Volvo Penta
OMC Stern Drive
ThermostatTemperature Rating: 160¡«F (71¡«C)
18-3552Crusader
96358
GLM
13050
Mallory
9-43000
Mercruiser Stern Drive
76270
76270T
Mercruiser Stern DriveThermostatTemperature Rating: 160¡«F
For: Fresh Water Cooling
Fits: 470/485 models (s/n 6218036 and below)
18-3536Mercury Marine
833072
833072002
833072003
833072004
Mercury MarineThermostatTemperature Rating: 143¡«F (62¡«C)
18-3556Chrysler/Force/US Marine
F97068
F97068-1
F97068-2
GLM
13200
Mallory
9-43025
Mercury Marine
895338
Chrysler/Force/US Marine
Mercury Marine
ThermostatSize: 3/4" or 19.1mm
Temperature Rating: 130¡« F
18-3546Johnson/Evinrude Outboard
5000355
5001036
Mallory
9-43030
Johnson/Evinrude OutboardThermostatTemperature Rating: 130¡«F
Fits: J200/J225/J250 (1999-01), E200/E225/E250 (2000-05)
18-3555GLM
13040
Mallory
9-43001
9-43016
Mercruiser Stern Drive
991551
99155A1
99155T2
Mercruiser Stern DriveThermostatTemperature Rating: 160¡«F
Fits: 1998 & newer GM V-6 & V-8 engines with closed cooling
18-3645Chrysler Inboard
2463441
Chrysler InboardThermostatTemperature Rating: 160¡«F
For: Chrysler Inboard 318 & 360 CID Engines
18-3630Honda Outboard
19300-ZV5-013
19300-ZV5-023
19300-ZV5-043
Honda OutboardThermostatTemperature Rating: 72¡«C / 162¡«F
18-3537Mercury Marine
833072002
833072004
Mercury MarineThermostatTemperature Rating: 143¡«F (62¡«C)
18-43015Mallory
9-43015
Mercruiser Stern Drive
864493
Mercruiser Stern DriveThermostatFits: MCM 4.3L, 5.0L, 5.7L & 6.2L MPI engines w/dry joint exhaust & closed cooling
Temperature Rating: 170¡«F (77¡«C)
18-43017Indmar
S985009
Mallory
-43017
Mercruiser Stern Drive
863358T
8M0074922
8M0076464
Mercruiser Stern DriveThermostat160¡«
Indmar GM and Ford Raw Water Cooled Engines
Fits: MCM 496 Mag & HO and MIE 8.1L & HO
18-3525Yamaha Outboard
60V-12411-00-00
68V-12411-00-00
Yamaha OutboardThermostatTemperature Rating: 122¡«F / 50¡«C
Fits: F115/LF115 (2005-14), Z250/LZ250 (2003-05), LZ300/Z300 (2004-06), VZ200/VZ225/VZ250/VZ300 (2005-09)
18-3632Suzuki Outboard
17670-90J00
Yamaha Outboard
67F-12411-00-00
67F-12411-01-00
6CB-12411-00-00
Yamaha Outboard
Suzuki Outboard
ThermostatTemperature Rating: 140¡«F / 60¡«C
18-3628-1Honda Outboard
19300-ZW9-003
Honda OutboardThermostatTemperature Rating: 60¡«C / 140¡«F
18-3524Yamaha Outboard
6CE-12411-00-00
Yamaha OutboardThermostatFits: F225/LF225 (2010-21), F250/LF250 (2010-21), F300/LF300 (2010-21), VF250 (2015-21)
Temperature Rating: 60¡«C/140¡«F
18-3633Yamaha Outboard
6CE-12411-00-00
Mercury MarineThermostatFits: 75-115HP, 115 Pro XS (2B094996 & UP)
18-3634Yamaha Outboard
6AW-12411-00-00
Yamaha OutboardThermostatFits: Yamaha F300/LF300 (2007-09), F350/LF350 (2007-09), F350A/LF350A (2010-11)
Fits: Yamaha F350B/LF350B (2012-15), F350C/LF350C (2016-19)
18-3637Yamaha Outboard
6CB-12411-10-00
Yamaha OutboardThermostatFits: Yamaha VF200LA/VF225LA/VF250LA (2011-18)
18-3638Mercury Marine
804540
Mercury MarineThermostatFits: Mercury 2.5-3.5HP (0R131842 & Up), 4-6HP (0R411838 & Up)
18-3640Mercury Marine
8M0117413
Mercury MarineThermostatFits: Mercury 40-60HP (1C050252 & Up)
18-3639Yamaha Outboard
6EK-12411-00-00
Yamaha OutboardThermostatFits: Yamaha F115/LF115/VF115 (2014-21)
18-3636Yamaha Outboard
6DA-12411-00-00
6DA-12411-01-00
Yamaha OutboardThermostatFits: F150C/LF150C (2017), VF150 (2013-17), VF150A (2018), F175A (2014-18)
Fits: F175C/LF175C (2017), VF175 (2015-18), F200B/LF200B (2012-18), F200C/LF200C (2013-18)
18-3643Johnson/Evinrude Outboard
433379
Johnson/Evinrude OutboardThermostatFits: Johnson/Evinrude 6-8HP (1990), 9.9/15HP (1990-92), 40/48/50HP (1990-94), 45/55 (1992-94)
18-3635Mercury Marine
892864T06
Mercury MarineThermostatFits: Mercury 75-115HP (1B366823-2B094995), 150 EFI (1B905505 & Up)
18-3641Yamaha Outboard
6FP-12411-00-00
Yamaha OutboardThermostatFits: Yamaha F75B (2017-18), F90B (2016-18), VF90A (2018)
18-3679Volvo Penta
3584474
3840816
Volvo PentaThermostatFits: Yamaha F75B (2017-18), F90B (2016-18), VF90A (2018)
18-3680Volvo Penta
3580365
Volvo PentaThermostatFor: MD, D2
18-3681Volvo Penta
8149182
Volvo PentaTHERMOSTAT
18-3682Volvo Penta
21237213
21412639
21613426
Volvo PentaTHERMOSTATFor: TAD, TWD, D12, D13, D9, D16
18-3683Volvo Penta
1661993
3839110
Volvo PentaTHERMOSTATFor: TD, TWD, TAMD
18-3684Suzuki Outboard
17670-94400
17670-94401
17670-94402
17670-94403
17670-94404
Suzuki OutboardThermostatSierra thermostats feature high quality, corrosion resistant components
Sierra's high-end thermal actuators allow for superior open and close accuracy and repeatability