Beck Arnley 143-0793 Engine Coolant Thermostat

Engine Coolant Thermostat for Toyota and Lexus

Beck Arnley 143-0793 is an engine coolant thermostat built to foreign nameplate OE specifications for form, fit, and function. It is specified at 170 degrees and does not include the housing, making it a direct replacement choice for Toyota, Lexus, Scion, and Chevrolet Prizm applications that call for this temperature rating.

Use Beck Arnley 143-0793 when you need a 170F thermostat for vehicles such as the Toyota Camry, Toyota Highlander, or Lexus RX330. The part number 143-0793 is also a useful reference when verifying the correct thermostat for OE-temperature cooling system service.

Key Features

• Engine coolant thermostat with 170 degree temperature rating
• Housing not included
• Built to foreign nameplate OE specifications for form, fit, and function
• Designed for Toyota, Lexus, Scion, and Chevrolet Prizm applications listed below
• Beck Arnley part number 143-0793

Detailed Description

Beck Arnley 143-0793 is an OE-style engine coolant thermostat for cooling system service on a wide range of Toyota and Lexus vehicles. The 170 degree calibration matches applications that require original equipment temperature control or an alternate 170F setting, helping maintain proper engine operating temperature once the cooling system is restored. If you are replacing a thermostat on a Toyota Camry, Toyota Sienna, or Lexus ES330, this part number provides a focused match for the specified application.

This thermostat is also listed for Toyota Highlander, Toyota Matrix, Toyota Solara, Toyota Corolla, Toyota Avalon, Toyota RAV4, Toyota Celica, Toyota MR2 Spyder, Lexus RX400h, Lexus RX330, Lexus ES300, Scion xD, and Chevrolet Prizm applications. Beck Arnley sources parts to meet OE expectations for imported nameplates, and 143-0793 follows that approach for fitment-sensitive cooling repairs.

Common Problems This Part Can Address

• Engine running too cool or not reaching normal operating temperature
• Temperature fluctuations caused by a worn thermostat
• Cooling system service after overheating or slow warm-up complaints
• Incorrect thermostat temperature during OE-spec replacement work
• Check-engine concerns related to engine temperature control

Installation Notes and Tips

• Verify the required thermostat temperature before installation; this unit is rated at 170 degrees.
• Housing is not included, so inspect the existing housing for wear, corrosion, or sealing damage.
• Drain coolant as needed and replace any disturbed seals or gaskets according to the vehicle service procedure.
• Confirm the cooling system is properly bled after installation to avoid trapped air.
• Match the application carefully for Toyota Camry, Highlander, Sienna, Matrix, Solara, Avalon, Corolla, RAV4, Lexus RX330, RX400h, ES330, ES300, Scion xD, and Chevrolet Prizm models listed in the fitment data.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. Part number 143-0793 is built around the specified 170 degree thermostat requirement for the listed applications.