$27.99

Sierra Thermostat - 140 for Johnson/Evinrude Outboard Motors

Replaces: OMC 434137

$18.49

Sierra Thermostat - 140 for Mercruiser Stern Drives

Running at the right temperature maximizes performance. A failed thermostat can cause an engine to run at outside of its optimum temperature adversely affecting performance and efficiency. The fix can be as simple as replacing the thermostat. Sierra thermostats are engineered to meet manufacturers…

$24.99

Sierra Thermostat - 160 Degree Fresh Water Cooling

Dont sacrifice performance by running the engine too hot or too cold A failed thermostat can cause an engine to run at the wrong temperature adversely affect performance and efficiency. The fix can be as simple as replacing the thermostat. Sierra engineered this thermostat to meet or exceed the…

$18.99

Sierra Thermostat - 160 for Chrysler Inboard Inboards

For: 318 & 360 CID Engines 160

$16.49

Sierra Thermostat - 160 for Mercruiser Stern Drives

Replaces: Mercury Marine 99155A1

$18.49

Sierra Thermostat - 160 for OMC Sterndrive/Cobra Stern Drives

Maximize engine performance and efficiency by running at the optimum temperature A failed thermostat can cause an engine to run outside of its optimum temperature adversely affecting performance and efficiency. The fix can be as simple as replacing the thermostat. Sierra thermostats are engineered…

$17.99

Sierra Thermostat - 3/4" - 130 for Chrysler Force Outboard Motors

Replaces: Chrysler Force F97068-2

$13.49

Sierra Thermostat 142

Maximize performance and efficiency by running your engine at the optimum temperature A failed thermostat can cause an engine to run at outside of its optimum temperature and can adversely affect performance and efficiency. The fix can be as simple as replacing the thermostat. This Sierra…

$12.49

Sierra Thermostat 143 for Johnson/Evinrude Outboard Motors

Replaces: OMC 436195

$16.49

Sierra Thermostat 160 Fresh Water Cooling Only

Maximize performance and efficiency of a fresh water cooled engine by running it at the optimum temperature. A failed thermostat can cause an engine to run at outside of its optimum temperature and can adversely affect performance and efficiency. The fix can be as simple as replacing the…

$14.49

Sierra Thermostat 160 replaces: Volvo 3853799replaces: OMC 982554

Thermostat 160 replaces: Volvo 3853799replaces: OMC 982554

$27.99

Sierra Thermostat and Gasket Kit

Maximize performance and efficiency by running your engine at the optimum temperature A failed thermostat can cause an engine to run at outside of its optimum temperature adversely affect performance and efficiency. The fix can be as simple as replacing the thermostat. Sierra makes it easy by…

$16.99

Sierra Thermostat for Johnson/Evinrude Outboard Motors

Replaces: OMC 435491

$15.49

Sierra Thermostat for Johnson/Evinrude Outboard Motors

Replaces: OMC 437090

$17.99

Sierra Thermostat for Johnson/Evinrude Outboard Motors

Replaces: OMC 5001036

$59.99

Sierra Thermostat for Mercury, Mariner

Replaces: 885599004Fits: 200 3.0L DFI DTS (ALL), 200 3.0L EFI (2003 & Up)(OT750164 & Up), 200 DFI (1997 & Up)(OG386496 & Up), 225 3.0L EFI (1999 & Up)(OG760300 & Up), 225 3.0L EFI SeaPro ( 2004 & Up) (OT801000 & Up), 225 3.0L DFI DTS (2003 & Up)(OT599000 & Up), 225 DFI (1998 & Up)(OG590000 & Up)…

$29.99

Sierra Thermostat for Mercury, Mariner

Replaces: 833072003Fits: V135 DFI 2.5L (1998 & Up) (OG590000 & Up), V150 DFI 2.5L (1998 & Up)(OG590000 & Up), V175 DFI 2.5L (2001 & Up)(OT178500 & Up)

$24.99

Sierra Thermostat for Mercury, Mariner

Replaces: 833072004Fits: 75 3 cyl DFI 1.5L (2006 & Up) (OT980000 & Up), 90 3 cyl DFI 1.5L (2004 & Up)(OT801000 & Up) , 115 3 cyl DFI 1.5L (2004 & Up)(OT801000 & Up)

$27.99

Sierra Thermostat for Yamaha Outboard

Replaces: 66M-12411-01-00Fits: F6 (2001-05), F8 (2001-05), T8 (2001-05), F9.9 (1985-05), T9.9 (1985-05), T9.9 (1991-05), F15 (1998-05), F25 (1998-05), T25 (2001-05), F30 (2001-05), F40 4cyl (1999), F40 3cyl (2000-05), F50 (1995-05), T50 (1996-05), F60 (2002-05), T60 (2003-05), F80 (1999-00), F100…

$34.99

Sierra Thermostat for Yamaha Outboard

Running at the right temperature maximizes performance. A failed or failing thermostat can cause an engine to run at outside of its optimum temperature and adversely affect performance and efficiency. Getting back to the right temperature can be as simple as replacing the thermostat. Sierra makes…

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