OEM '05+ Nissan Frontier Thermostat - VQ40DE
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OEM '05+ Nissan Frontier Thermostat - VQ40DE
OEM '05+ Nissan Frontier Thermostat - VQ40DE
OEM '05+ Nissan Frontier Thermostat - VQ40DE - View 2
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OEM '05+ Nissan Frontier Thermostat - VQ40DE
OEM '05+ Nissan Frontier Thermostat - VQ40DE
OEM '05+ Nissan Frontier Thermostat - VQ40DE - View 2

Product Description

OEM Coolant Thermostat for the 2005-2019 Nissan Frontier equipped with the VQ40DE powertrain.

The thermostat allows coolant to flow through the engine once it has reached operating temperature.

Upon failure, the thermostat will become stuck open or closed. If the thermostat is stuck open the vehicle may not reach operating temperatures, and if it is stuck closed the engine can possibly over heat and damage other components.

Opens @ 177° - 182° F

Fits:

  • 2005-2019 Nissan Frontier

NOTE: Please click available options drop down to include gasket.

OEM '05+ Nissan Frontier Thermostat - VQ40DE

Brand: Nissan
Part #: 21200-31U1B
Fits models: FRONTIER D40...
OEM '05+ Nissan Frontier Thermostat - VQ40DE
OEM '05+ Nissan Frontier Thermostat - VQ40DE - View 2
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$41.48

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OEM '05+ Nissan Frontier Thermostat - VQ40DE
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OEM '05+ Nissan Frontier Thermostat - VQ40DE
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OEM '05+ Nissan Frontier Thermostat Housing Gasket - VQ40DE
OEM '05+ Nissan Frontier Thermostat Housing Gasket - VQ40DE
$7.49
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Bundle Price:
$48.97

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What our customers say

starstarstarstarstar
January 23, 2026
Fit is perfect. easy to install. works great.
starstarstarstarstar
June 20, 2024
Excellent quality. Fit perfect
starstarstarstarstar
February 25, 2023
If you have a Nissan 4.0 and need to replace a thermostat, you must use an OEM one. I used a Motorad, because of convenience. I was replacing it with this one a few days later.
starstarstarstarstar
October 22, 2022
Replaced stuck open thermostat with a napa thermostat at half the price. Truck started overheating. OEM from Z1 replaced napa part and truck runs normally. Napa part opened in boiling water at 215 and was cock eyed. OEM opened at 170 and wider. Napa sucks