Beck Arnley 143-0957 Engine Coolant Thermostat

Engine Coolant Thermostat for Toyota and Lexus

Beck Arnley 143-0957 is an engine coolant thermostat built to match foreign nameplate OE specifications for form, fit, and function. It is a direct-fit cooling system service part for select Toyota and Lexus applications, including Corolla, RAV4, C-HR, Corolla iM, and NX300h models.

Key Features

• OE-style replacement thermostat for engine cooling system service
• Built to Beck Arnley foreign nameplate OE specifications
• Supports proper coolant temperature control
• Fits select Toyota Corolla, Toyota RAV4, Toyota C-HR, Toyota Corolla iM, and Lexus NX300h applications
• Part number 143-0957 for accurate ordering and lookup

Detailed Description

Beck Arnley 143-0957 is an engine coolant thermostat for drivers servicing cooling system temperature regulation on select Toyota and Lexus vehicles. Beck Arnley sources parts to OE-level form, fit, and function standards for foreign nameplate applications, helping ensure the thermostat matches the original design requirements. This part number 143-0957 is listed for 2014-2022 Toyota Corolla, 2016-2018 Toyota RAV4, 2018-2021 Toyota C-HR, 2017-2018 Toyota Corolla iM, 2015-2021 Lexus NX300h, and 2022 Toyota C-HR with temperature 80C/176F noted.

This part cross-references no listed interchange numbers in the provided data.

What It Helps Address

• Engine running too cool or too warm
• Delayed warm-up after cold starts
• Temperature fluctuation in the cooling system
• Thermostat-related check engine or cooling performance concerns
• Cooling system service on Toyota Corolla, Toyota RAV4, and Lexus NX300h models

Installation Notes and Tips

Verify the OE thermostat temperature specification before installation, especially on the 2022 Toyota C-HR application noted at 80C/176F. Confirm the vehicle year, make, and model against the fitment list before ordering. Inspect the thermostat housing, gasket sealing surfaces, and coolant condition during service, and refill the cooling system with the correct coolant after installation.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. That sourcing approach supports confident installation on the listed Toyota and Lexus applications.