Engine Coolant Thermostat Housing Assembly Replace 21200-31U1B Fits for Nissan 4.0L Infiniti 3.5L 03-06 350Z G35, 05-12 Pathfinder, 05-19 Frontier, 05-15 Xterra, 12-21 NV3500 NV2500 NV1500, 04 FX35

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Management number 228310384 Release Date 2026/05/31 List Price $8.40 Model Number 228310384
Category
  • 【Vehicle Fitment 1】: Thermostat housing fits for Nissan 350Z 2003 2004 2005 2006 3.5L, Frontier 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019, NV1500 / NV2500 / NV3500 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021, Pathfinder 2005 2006 2007 2008 2009 2010 2011 2012, Xterra 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
  • 【Vehicle Fitment 2】: thermostat housing assembly fits for Infiniti FX35 2004 , G35 2003 2004 2005 2006 2007, M35 2006 2007 2008. Part Number: 21200-31U1B, 2120031U1B. Please verify fitment, OE number, and product images before ordering
  • 【Precision Temperature Control】: HHCSOP's Engine coolant thermostat housing assembly precision-calibrated thermostat opens at 82°C / 179.6 °F, In Bypass Mode (cold start), coolant stays inside faster warm-up for less wear. In Full Flow Mode (hot engine), coolant flows to the radiator — prevents overheating.
  • 【Durable Construction】: Upgraded precision-machined engine aluminum thermostat housing — heat-resistant, corrosion-resistant, stronger than plastic, and designed for efficient heat dissipation.Leak-proof sealing surface keeps coolant where it belongs. Built to last. Prevents engine damage and costly repairs.
  • 【Complete Kit】: Aluminum engine coolant thermostat housing assembly includes the 1x thermostat Housing, 1x pre-installed thermostat,1x rubber gasket. No extra trips to the parts store.
  • 【1-Year Warranty】: Backed by our quality promise. If you have any issues with our aluminum thermostat housing assembly fitment or performance, contact us via Amazon — we'll make it right. Professional installation recommended.

ASIN B0GL1QF366
Brand HHCSOP
Item Weight 1.6 ounces
Manufacturer HHCSOP
OEM Part Number 21200-31U1B, 2120031U1B
Package Dimensions 0.1 x 0.1 x 0.1 inches
Manufacturer Part Number KO10527

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