Beck Arnley 143-0878 Engine Coolant Thermostat

OE-Style Coolant Thermostat for Volkswagen

The Beck Arnley 143-0878 engine coolant thermostat is built to meet foreign nameplate OE specifications for form, fit, and function. It is a direct-fit cooling system service part for select Volkswagen Beetle, Golf, Jetta, and Passat applications with an original equipment temperature rating of 176 degrees.

Use this thermostat when you need a precise replacement for Volkswagen cooling system maintenance. Beck Arnley 143-0878 is specified for the correct operating temperature and is sourced to match the application requirements of the vehicle.

Key Features

• Engine coolant thermostat for select Volkswagen models
• Original equipment temperature rating: 176
• Housing not included
• Gasket/seal not included
• OE-spec fit, form, and function for foreign nameplate applications
• Beck Arnley part number 143-0878

Compatible Vehicle Applications

• Fits 2006-2010 Volkswagen Beetle, N/A; original equipment temperature; gasket/seal not included; temperature 176
• Fits 2012-2014 Volkswagen Beetle, N/A; original equipment temperature; gasket/seal not included; temperature 176
• Fits 2010-2014 Volkswagen Golf, N/A; original equipment temperature; gasket/seal not included; temperature 176
• Fits 2005-2014 Volkswagen Jetta, N/A; original equipment temperature; gasket/seal not included; temperature 176
• Fits 2012-2014 Volkswagen Passat, N/A; original equipment temperature; gasket/seal not included; temperature 176

What This Thermostat Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed coolant temperature regulation during warm-up
• Temperature control issues in Volkswagen Beetle, Golf, Jetta, or Passat cooling systems
• Replacement needs after thermostat sticking or inconsistent operation

Installation Notes and Tips

Confirm the vehicle’s original equipment temperature specification before installation. Beck Arnley 143-0878 does not include the housing or gasket/seal, so inspect the cooling system sealing surfaces and replace any worn components as needed. Proper coolant service and air bleeding are important after thermostat replacement to help restore stable operating temperature.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications, with product specialists working with global sourcing partners to help ensure the correct application. This approach supports accurate fitment for Volkswagen cooling system service, including Beetle, Golf, Jetta, and Passat models.