Thermostat Assembly Replace 21200-31U1B Compatible with Nissan 4.0L Infiniti 3.5L - 2003-2006 350Z G35, 2005-2019 Frontier, 2005-2012 Pathfinder, 2005

Thermostat Assembly Replace 21200-31U1B Compatible with Nissan 4.0L Infiniti 3.5L - 2003-2006 350Z G35, 2005-2019 Frontier, 2005-2012 Pathfinder, 2005

REPLACEMENT ENGINE THERMOSTAT : An engine's thermostat regulates the temperature of the engine by controlling coolant flow. Symptoms of a failing thermostat: high temperature reading and engine overheating; low temperature reading and underheated engine; temperature changing erratically; coolant leaks around thermostat housing or under vehicle. You can find your car's thermostat by starting at the upper radiator hose and following it to where it enters the top of the engine. COMPATIBLE WITH NISSAN 3.5L 4.0L V6 VEHICLES : 2003-2006 350Z 3.5L | 2005-2019 Frontier | 2012-2021 NV1500 | 2012-2021 NV2500 | 2012-2021 NV3500 | 2005-2012 Pathfinder | 2005-2015 Xterra thermostat. REPLACES PART # : 21200-31U1B, 2120031U1B thermostat. The thermostat can compatible with Infiniti 3.5L V6 : 2004 FX35 | 2003-2007 G35 | 2006-2008 M35. Please check the description to confirm the compatibility before purchase. Thank you! OE FIT, FORM, FUNCTION : Professional, high quality OE style and meet or exceed all original equipment performance replacement thermostat. Constructed with premium materials. Stainless steel mounting flange designed to properly fit and seat the thermostat in outlet casting, resulting in better performance. Channel constructed stainless steel spring frame for extra strength. FRIENDLY NOTE : If the thermostat fails on your vehicle, simply contact us for a replacement. Also if you have any other questions on our this thermostat, please contact us at the first time. This is NOT a genuine part, it's a aftermarket replacement part manufactured by Allmotorparts. An engine's thermostat regulates the temperature of the engine by controlling coolant flow, its job is to block the flow of coolant to the radiator until the engine has warmed up.
Symptoms of a bad or failing thermostat: high temperature reading and engine overheating; low temperature reading and underheated engine; temperature changing erratically; coolant leaks around thermostat housing or under vehicle.

Compatible with Nissan 3.5L 4.0L V6 Vehicles:
2003-2006 350Z 3.5L
2005-2019 Frontier
2012-2021 NV1500
2012-2021 NV2500
2012-2021 NV3500
2005-2012 Pathfinder
2005-2015 Xterra

Compatible with Infiniti 3.5L V6 Vehicles:
2004 FX35
2003-2007 G35
2006-2008 M35

Replaces Part #: 21200-31U1B, 2120031U1B thermostat with gasket.

NOTE: This is NOT a genuine part, it's a aftermarket replacement part manufactured by Allmotorparts.

NOTE: To ensure accurate fitment, please confirm your vehicle information in the above compatibility section and the description.