Hella 007802021 Engine Cooling Fan Switch

Engine Cooling Fan Switch for Audi and Volkswagen

This Hella Genuine OE from HELLA engine cooling fan switch helps control radiator fan operation based on coolant temperature. Part number 007802021 is a 12V, 3-pin switch with a bolted mount and blade terminal plug type for select Audi and Volkswagen applications.

Built around a normally open contact and double thermal switch design, this cooling fan switch uses an M22 x 1.5 thread and switches between 85°C and 102°C. It is a direct-fit style solution for vehicles such as the Audi A4, Audi A6, Audi S4, and Volkswagen Passat where accurate fan activation is critical.

Key Features

• Hella Genuine OE from HELLA cooling fan switch
• Part number 007802021
• 12V rated voltage
• 3 connector design with blade terminal plug type
• Normally open contact configuration
• Bolted mounting type with M22 x 1.5 thread size
• Double thermal switch with 85°C to 102°C switch points
• Spanner size: 29

Product Details

Hella 007802021 is an engine cooling fan switch engineered for temperature-based fan control in select import vehicles. The 3-pin layout, bolted installation style, and blade terminal connection support OE-style replacement on applications that require a 12V normally open thermal switch. This part is commonly searched as a cooling fan temperature switch for Audi A4, Audi A6, Audi S4, and Volkswagen Passat models.

This part cross-references Facet 7.5635 for the same application.

What This Part Helps Address

• Cooling fan not switching on at the proper temperature
• Cooling fan running at the wrong time
• Engine temperature rising in traffic or at idle
• Intermittent fan operation caused by a worn thermal switch
• Temperature control issues in Audi and Volkswagen cooling systems

Installation Notes and Tips

• Confirm the vehicle uses a 3-pin, 12V cooling fan switch with an M22 x 1.5 thread.
• Verify the switch point range of 85°C to 102°C before installation.
• Inspect the connector, terminals, and cooling system condition during replacement.
• Use the listed fitment notes for exact application matching, including VIN-specific coverage where shown.

Quality Assurance

As a Hella Genuine OE from HELLA part, this switch follows OE-style specifications for the listed applications and is built for direct replacement use on confirmed Audi and Volkswagen fitments.

Compatible Vehicles

• Fits 2000-2002 Audi S4, N/A
• Fits 2001 Audi A4, N/A
• Fits 1999-2001 Audi A4 Quattro, N/A
• Fits 1998-2001 Volkswagen Passat, N/A
• Fits 1991-1993 Volkswagen Passat, N/A
• Fits 1996-2000 Audi A4, N/A
• Fits 1996-1998 Audi A4 Quattro, N/A
• Fits 1998 Audi A6, N/A
• Fits 1998 Audi A6 Quattro, N/A
• Fits 1994-1998 Audi Cabriolet, N/A
• Fits 1995-1997 Audi A6, N/A
• Fits 1995-1997 Audi A6 Quattro, N/A
• Fits 1994-1995 Audi 90, N/A
• Fits 1990-1991 Audi 90, N/A
• Fits 1993-1995 Audi 90 Quattro, N/A
• Fits 1995 Audi S6, N/A
• Fits 1990-1994 Audi 100, N/A
• Fits 1990-1994 Audi 100 Quattro, N/A
• Fits 1992-1994 Audi S4, N/A
• Fits 1994 Volkswagen Golf, N/A
• Fits 1993-1994 Volkswagen Jetta, N/A
• Fits 1993 Audi 90, N/A
• Fits 1990-1993 Volkswagen Cabriolet, N/A
• Fits 1990-1993 Volkswagen Corrado, N/A
• Fits 1990-1993 Volkswagen Fox, N/A
• Fits 1993 Volkswagen Golf, N/A
• Fits 1990-1992 Audi 80, N/A
• Fits 1990-1992 Audi 80 Quattro, N/A
• Fits 1990-1992 Volkswagen Golf, N/A
• Fits 1990-1992 Volkswagen Jetta, N/A
• Fits 1990-1991 Audi 200, N/A
• Fits 1990-1991 Audi 200 Quattro, N/A
• Fits 1990-1991 Audi 90 Quattro, N/A
• Fits 1990-1991 Audi Coupe Quattro, N/A
• Fits 1990 Volkswagen Passat, N/A