Beck Arnley 143-0931 Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing for Toyota and Lexus

Beck Arnley 143-0931 is an engine coolant thermostat housing assembly built to match foreign nameplate OE specifications for form, fit, and function. It is a direct-fit cooling system replacement for select Toyota Corolla, Prius, Prius AWD-e, Prius Prime, Prius V, Prius Plug-In, and Lexus CT200h applications with 179°F thermostat calibration.

Key Features

• Engine coolant thermostat housing assembly for OE-style cooling system service
• Built to foreign nameplate OE specifications for form, fit, and function
• Thermostat temperature rating: 179°F / 81°C
• Fits select Toyota Corolla and Prius family applications, plus Lexus CT200h
• Beck Arnley part number 143-0931 for catalog and service matching

Detailed Description

Beck Arnley 143-0931 is a thermostat housing assembly for vehicles that require a 179°F thermostat setting. It is engineered for select Toyota Corolla, Toyota Prius, Toyota Prius AWD-e, Toyota Prius Prime, Toyota Prius V, Toyota Prius Plug-In, and Lexus CT200h models, giving technicians a direct replacement option for cooling system repairs. Beck Arnley sources parts to OE specifications so the housing matches the intended application and supports proper coolant temperature control.

This part number, 143-0931, is a practical choice when servicing a Toyota Corolla thermostat housing assembly or replacing a thermostat housing on a Prius cooling system. It also serves Lexus CT200h owners looking for an OE-style engine coolant thermostat housing assembly with the correct 179°F calibration.

What It Helps Address

• Coolant temperature regulation concerns tied to a worn thermostat housing
• Leaks at the thermostat housing area
• Overheating caused by a failing thermostat assembly
• Improper engine warm-up from a thermostat that no longer opens at the correct temperature
• Cooling system service needs on Toyota Prius and Corolla applications

Installation Notes and Tips

Verify the vehicle’s year, model, and thermostat temperature requirement before installation. Confirm that the replacement matches the 179°F / 81°C specification used on the listed applications. Inspect the mating surfaces, coolant condition, and related hoses during service, and follow the vehicle manufacturer’s cooling system refill and bleed procedure after installation.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. The product information also notes lead and lead compounds as a chemical of concern.