HomeBelts and Cooling > Thermostat and HousingBeck Arnley 143-0788 Engine Coolant Thermostat Housing Assembly
Part #: 143-0788

Beck Arnley 143-0788 Engine Coolant Thermostat Housing Assembly

⚙️ 89 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: INFINITI and Nissan, 350Z, 370Z, EX35, EX37, FX35, FX37, G25, G35, G37, I30, M35, M35h, M37, Maxima, Q40, Q50, Q60, Q70, Q70L, QX50, and QX70
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Reliable Engine Coolant Thermostat Housing Assembly

The Beck Arnley 143-0788 engine coolant thermostat housing assembly is designed to maintain optimal engine temperature for select Infiniti and Nissan vehicles. Engineered to work with a 180-degree thermostat, this housing assembly ensures efficient coolant flow and temperature regulation.

  • Includes thermostat housing for direct replacement
  • Thermostat temperature rating: 180°F for precise engine temperature control
  • Compatible with multiple Infiniti and Nissan models including 350Z, 370Z, Maxima, Q50, and FX35
  • Durable construction to withstand engine heat and pressure
  • Part number 143-0788 for accurate identification and fitment

Product Details and Specifications

This Beck Arnley engine coolant thermostat housing assembly (part number 143-0788) features a built-in housing designed to accommodate a 180-degree thermostat. The thermostat housing is a critical component that connects the thermostat to the engine’s cooling system, allowing coolant to circulate properly and maintain the engine’s operating temperature. This assembly is compatible with a range of Infiniti and Nissan vehicles, including the 350Z, 370Z, EX35, EX37, FX35, FX37, G25, G35, G37, I30, M35, M35h, M37, Maxima, Q40, Q50, Q60, Q70, Q70L, QX50, and QX70 models.

Compatible Infiniti and Nissan Models

  • Infiniti 350Z, 370Z, EX35, EX37, FX35, FX37, G25, G35, G37, I30, M35, M35h, M37, Q40, Q50, Q60, Q70, Q70L, QX50, QX70
  • Nissan Maxima

Common Applications and Problem Resolution

  • Prevents engine overheating by regulating coolant flow
  • Replaces cracked or leaking thermostat housing
  • Restores proper thermostat function at 180°F operating temperature
  • Eliminates coolant leaks that cause engine performance issues
  • Helps maintain consistent engine temperature for improved efficiency

Installation Notes and Tips

When installing the Beck Arnley 143-0788 thermostat housing assembly, ensure the engine is cool before beginning work. Properly torque all bolts to manufacturer specifications to avoid leaks. Verify the thermostat temperature rating matches the vehicle requirements (180°F). Inspect surrounding hoses and seals for wear and replace as needed to ensure a complete and reliable cooling system repair.

Quality Assurance and Warranty

Beck Arnley parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. This thermostat housing assembly undergoes rigorous quality control to ensure fit and function. Please refer to Beck Arnley’s warranty policy for specific coverage details.

BrandBeck Arnley
Part Number143-0788
Are You Using The Long Form WarningY
HOUSINGIncluded
TEMPERATURE180

This part fits 89 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020Nissan370ZN/ATEMPERATURE 82C/180F
2019INFINITIQ703.7LV6N/ATEMPERATURE 82C/180F
2019INFINITIQ70L3.7LV6N/ATEMPERATURE 82C/180F
2019Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2018INFINITIQ503.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2018INFINITIQ703.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2018INFINITIQ703.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2018INFINITIQ70L3.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2018Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2017INFINITIQ503.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2017INFINITIQ703.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2017INFINITIQ703.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2017INFINITIQ70L3.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2017INFINITIQX503.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2017INFINITIQX703.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2017Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2016INFINITIQ503.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2016INFINITIQ703.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2016INFINITIQ703.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2016INFINITIQ70L3.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2016INFINITIQX503.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2016INFINITIQX703.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2016Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2015INFINITIQ40N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2015INFINITIQ503.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2015INFINITIQ503.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2015INFINITIQ603.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2015INFINITIQ703.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2015INFINITIQ703.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2015INFINITIQ70L3.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2015INFINITIQX503.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2015INFINITIQX703.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2015Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2014INFINITIQ503.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2014INFINITIQ503.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2014INFINITIQ603.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2014INFINITIQ703.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2014INFINITIQ703.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2014INFINITIQX503.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2014INFINITIQX703.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2014Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2013INFINITIEX373.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2013INFINITIFX373.7LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2013INFINITIG37N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2013INFINITIM35h3.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2013INFINITIM37N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2013Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2012INFINITIEX353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2012INFINITIFX35N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2012INFINITIG252.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2012INFINITIG37N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2012INFINITIM35h3.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2012INFINITIM37N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2012Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2011INFINITIEX353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2011INFINITIFX35N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2011INFINITIG252.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2011INFINITIG37N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2011INFINITIM37N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2011Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2010INFINITIEX353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2010INFINITIFX353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2010INFINITIG37N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2010INFINITIM353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2010Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2009INFINITIEX353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2009INFINITIFX353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2009INFINITIG37N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2009INFINITIM353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2009Nissan350ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2009Nissan370ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2008INFINITIEX353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2008INFINITIG353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2008Nissan350ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2007INFINITIG353.5LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2007Nissan350ZN/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2001INFINITII303.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2001NissanMaxima3.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2000INFINITII303.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
2000NissanMaxima3.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
1999INFINITII303.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
1999NissanMaxima3.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
1998INFINITII303.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
1998NissanMaxima3.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
1997INFINITII303.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
1997NissanMaxima3.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
1996INFINITII303.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
1996NissanMaxima3.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180
1995NissanMaxima3.0LV6N/AOE TEMPERATURE; Includes Gasket/Seal; Includes Thermostat; TEMPERATURE 180

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.