Beck Arnley 143-0664 Engine Coolant Thermostat

Engine Coolant Thermostat for OE-Style Cooling Control

Beck Arnley 143-0664 is an engine coolant thermostat built to foreign nameplate OE specifications for form, fit, and function. It is specified at 176 degrees and is a direct-fit choice for Volkswagen Jetta, Golf, Passat, EuroVan, and select Audi, BMW, and Mercedes-Benz applications.

Use Beck Arnley 143-0664 when you need a thermostat that matches the original temperature rating for proper engine warm-up and cooling system regulation. Housing is not included, and gasket/seal is not included.

Key Features

• 176-degree thermostat temperature rating
• Housing not included
• Gasket/seal not included
• Built to OE specifications for foreign nameplate applications
• Part number: 143-0664

Fitment and Application Details

• Fits 1994-2004 Volkswagen Jetta, N/A; original equipment temperature; gasket/seal not included; temperature 176.
• Fits 1999-2002 Volkswagen EuroVan, N/A; original equipment temperature; to chassis/VIN #70-2-097-000; gasket/seal not included; temperature 176.
• Fits 1993-1997 Volkswagen EuroVan, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1995-1997 Volkswagen Golf, N/A; original equipment temperature; gasket/seal not included; temperature 176.
• Fits 1993-1997 Volkswagen Passat, N/A; original equipment temperature; gasket/seal not included; temperature 176.
• Fits 1995-1996 Audi S6, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1992-1995 Volkswagen Corrado, N/A; original equipment temperature; gasket/seal not included; temperature 176.
• Fits 1992-1994 Audi S4, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1991-1992 Audi 80, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1988-1992 Audi 80 Quattro, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1989-1991 Audi 100, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1989-1991 Audi 200, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1988-1991 Audi 90, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1988-1991 Audi 90 Quattro, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1990-1991 Audi Coupe Quattro, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1987-1988 Audi 5000 Quattro, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1984-1987 Audi 4000 Quattro, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1981-1987 Audi Coupe, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1983-1987 Volkswagen Quantum, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1983-1985 Audi Quattro, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1985 BMW 325e, N/A; original equipment temperature; thru 9/85; gasket/seal not included; temperature 176.
• Fits 1982-1985 BMW 528e, N/A; original equipment temperature; gasket/seal not included; temperature 176.
• Fits 1978-1985 Mercedes-Benz 300SD, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1981-1985 Mercedes-Benz 300TD, N/A; alternate temperature; gasket/seal not included; temperature 176.
• Fits 1984 BMW 325e, N/A; original equipment temperature; gasket/seal not included; temperature 176.
• Fits 1980-1981 Audi 4000, N/A; alternate temperature; gasket/seal not included; temperature 176.

What This Thermostat Helps Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature control issues caused by a worn thermostat
• Cooling system service on Volkswagen Jetta, Golf, Passat, and EuroVan models
• Replacement needs on Audi, BMW, and Mercedes-Benz applications with a 176-degree spec
• Restoring OE-style coolant flow regulation after thermostat failure

Installation Notes and Tips

Confirm the 176-degree temperature specification before installation, especially on vehicles with original equipment and alternate temperature options. Housing is not included, so reuse or replace the housing as needed, and install a new gasket/seal since it is not included. This part cross-references OE-style applications for the same vehicle coverage.

Quality Assurance

Beck Arnley sources parts to meet foreign nameplate OE specifications for form, fit, and function. The 143-0664 thermostat is selected through global sourcing partners to support correct application matching for the listed Volkswagen, Audi, BMW, and Mercedes-Benz vehicles.