Beck Arnley 143-0788 Engine Coolant Thermostat Housing Assembly

OE-Style Thermostat Housing for Nissan and INFINITI

The Beck Arnley 143-0788 engine coolant thermostat housing assembly is built for foreign nameplate applications that call for OE form, fit, and function. It is specified at 180°F / 82°C and includes the thermostat, gasket/seal, and housing for a direct replacement on select Nissan 350Z, 370Z, Maxima, and INFINITI models.

Key Features

• Engine coolant thermostat housing assembly with housing included
• 180°F / 82°C thermostat specification
• Includes thermostat and gasket/seal
• OE-style replacement for select Nissan and INFINITI cooling systems
• Beck Arnley Part Number 143-0788

Detailed Description

Beck Arnley 143-0788 is a thermostat housing assembly sourced to meet foreign nameplate OE specifications for form, fit, and function. It is a direct-fit cooling system service part for vehicles that require a 180°F thermostat setting, including applications such as the Nissan 370Z, Nissan 350Z, INFINITI G37, INFINITI Q50, and INFINITI Q70. If you are replacing a worn coolant thermostat housing on a Nissan Maxima or INFINITI VQ/VQ35/VQ37 platform, this assembly provides the matched housing and thermostat configuration needed for the repair.

This part cross-references OE-style replacement applications for the same vehicle coverage. Beck Arnley 143-0788 is intended for drivers and technicians servicing cooling system leaks, temperature regulation concerns, or thermostat housing wear on select Nissan and INFINITI models.

What It Is Used For

• Replacing a leaking thermostat housing
• Restoring proper engine coolant temperature control
• Addressing thermostat sticking or delayed warm-up
• Repairing coolant seepage at the housing or seal surface
• Servicing cooling system components on Nissan 350Z, 370Z, Maxima, and INFINITI applications

Installation Notes and Tips

Verify the OE temperature specification before installation; this assembly is listed at 180°F / 82°C. Confirm the engine application and model year carefully, since fitment varies across Nissan and INFINITI platforms. Clean the mating surfaces thoroughly and inspect the cooling system for contamination or damaged hoses before reassembly. Use the vehicle’s specified coolant and bleed the system according to factory procedure after installation.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function, with product specialists working through global sourcing partners to help ensure the correct replacement part is selected for the application.

Compatible With

• Fits 2020 Nissan 370Z, N/A
• Fits 2019 INFINITI Q70, N/A
• Fits 2019 INFINITI Q70L, N/A
• Fits 2009-2019 Nissan 370Z, N/A
• Fits 2014-2018 INFINITI Q50, N/A
• Fits 2014-2018 INFINITI Q70, N/A
• Fits 2015-2018 INFINITI Q70L, N/A
• Fits 2014-2017 INFINITI QX50, N/A
• Fits 2014-2017 INFINITI QX70, N/A
• Fits 2015 INFINITI Q40, N/A
• Fits 2014-2015 INFINITI Q60, N/A
• Fits 2013 INFINITI EX37, N/A
• Fits 2013 INFINITI FX37, N/A
• Fits 2009-2013 INFINITI G37, N/A
• Fits 2012-2013 INFINITI M35h, N/A
• Fits 2011-2013 INFINITI M37, N/A
• Fits 2008-2012 INFINITI EX35, N/A
• Fits 2009-2012 INFINITI FX35, N/A
• Fits 2011-2012 INFINITI G25, N/A
• Fits 2009-2010 INFINITI M35, N/A
• Fits 2007-2009 Nissan 350Z, N/A
• Fits 2007-2008 INFINITI G35, N/A
• Fits 1996-2001 INFINITI I30, N/A
• Fits 1995-2001 Nissan Maxima, N/A