Upgraded VQ40 Thermostat & Housing 170 degree
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Nissan Frontier D41 2022 2023 VQ38DD 3.8l S SV PRO-X PRO-4X Z1 Off-Road Logo 2022+
Nissan Frontier D40 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 VQ40DE VQ38DD QR25DE 4.0l 3.8l 2.5l S SE SL SV LE XE PRO-4X OFFROAD Z1 Off-Road Logo 2005-2021
Nissan Frontier D22 1998 1999 2000 2001 2002 2003 2004 KA24DE VG33E 2.4l 3.3l SC SE XE Z1 Off-Road Logo 1998-2004
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Infiniti QX60 L50 2009 2010 2011 2012 2013 2014 2015 VQ35DE VQ35DD 3.5l Z1 Off-Road Logo 2009-2015
  1. OEM Parts
  2. Cooling System
  3. Water Pump, Fan & Thermostat
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Upgraded VQ40 Thermostat & Housing 170 degree
Upgraded VQ40 Thermostat & Housing 170 degree
Upgraded VQ40 Thermostat & Housing 170 degree - View 2
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Upgraded VQ40 Thermostat & Housing 170 degree
Upgraded VQ40 Thermostat & Housing 170 degree
Upgraded VQ40 Thermostat & Housing 170 degree - View 2

Product Description

This is our preferred low temp thermostat upgrade for Nissan VQ40 engines.

This OEM Nissan Thermostat is originally from the 2003-06 Nissan 350Z and features the same fit as as the standard Thermostat for the VQ40 but with a lower opening temp of 170° F compared to the factory VQ40 177° - 182° F opening.

Alternatively a Nismo Thermostat can also be fitted which has an opening temp of 154.4° F, only recommended for use in the most extreme cases, the low operating temp can have a negative impact on power output and fuel economy in many cases.

Mishimoto Low temp thermostats for VQ feature an opening temp of 143.6° F and are also only recommended for extreme cases.

Fits:

  • 2005-2012 Nissan Pathfinder (4.0L V6 VQ40DE)
  • 2005-2015 Nissan Xterra
  • 2005-2019 Nissan Frontier (4.0L V6 VQ40DE)

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

Upgraded VQ40 Thermostat & Housing 170 degree

Brand: Nissan
Fits models: FRONTIER D40 / XTERRA N50 / PATHFINDER R51...
Upgraded VQ40 Thermostat & Housing 170 degree
Upgraded VQ40 Thermostat & Housing 170 degree - View 2
(Ultimate 350Z Giveaway Details)
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$29.55

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Upgraded VQ40 Thermostat & Housing 170 degree
$29.55
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Upgraded VQ40 Thermostat & Housing 170 degree
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What our customers say

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April 21, 2025
I installed this thermostat along with a new radiator and mount bushings. I wanted a lower temp thermostat for when I tow my boat through the mountains for some extra insurance, works great!!!
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April 1, 2025
Works great and the metal gasket was a big plus. Came with two stickers as well which is always appreciated. Went from temps of 220 to 167-177.
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November 3, 2024
Good parts fast shipping
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September 6, 2024
Works as it should almost 20k miles later.
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August 27, 2024
Works as it should better than knock off cheap ones that you get from the auto parts store Actually opens at specify temperature
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July 18, 2024
I always like checking thermostats before installation to make sure they are working properly to reduce the risk of redoing the job twice. Bought the 170-degree thermostat to keep motor cooler, when checking thermostat for proper operation I noticed it did not start to open at 170, but at 181 and fully open at 194 degrees. Rated 3 stars since it works fine but not as advertised.
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February 17, 2024
Exact fit and the gasket is well made. Replacing coolant parts before summer on a 105 K Frontier. Also hoses, clamps, and caps.
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October 20, 2023
OEM parts at a reasonable price.
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July 13, 2023
Awesome product and super fast shipping! I do recommend using a small bead of rtv with the metal gasket. I bought for added insurance for when I'm out adventuring on the trails. Will definitely shop Z1 for all my Nissan needs.
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January 3, 2023
Replaced entire cooling system and decided to try this thermostat. My coolant temps are lower than before, but not too low. If doing towing or off roading, this is a must.