SKP SKTS139 Engine Cooling Fan Switch - Front

Engine Cooling Fan Switch for Audi and Volkswagen

SKP SKTS139 is an engine cooling fan switch for select Audi, Volkswagen, and Porsche applications. It is used in radiator-mounted and cylinder-head-mounted cooling fan control systems across a wide range of import vehicles, including Audi A4, Audi 80, Volkswagen Passat, and Volkswagen Jetta.

Key Features

• Engine cooling fan switch for radiator and cooling system control
• Direct fit coverage for select Audi, Volkswagen, and Porsche models
• Applications include 3-terminal, 3-pin, and rectangular-connector configurations
• Fits vehicles with radiator-mounted and cylinder-head-mounted switch locations
• SKP part number SKTS139 for catalog and cross-reference lookup

Detailed Description

SKP SKTS139 is a replacement engine cooling fan switch used to trigger cooling fan operation based on coolant temperature. It fits a broad range of import applications, including 1996-2002 Audi A4, 1998-2002 Audi A4 Quattro, 1998-2001 Volkswagen Passat, 1982-1992 Volkswagen Jetta, and 1988-1992 Audi 80. This part also cross-references Standard Ignition TS-139 for the same application. For buyers searching for an Audi A4 cooling fan switch, Volkswagen Passat radiator fan switch, or SKTS139 replacement, this part covers multiple OE-style configurations.

What It Helps Address

• Cooling fan not switching on at the proper temperature
• Cooling fan running continuously or cycling incorrectly
• Overheating caused by delayed fan activation
• Fault codes or drivability issues related to coolant temperature switching
• Failed radiator-mounted or cylinder-head-mounted fan switch

Installation Notes and Tips

• Verify connector style and terminal count before installation; listed applications include 3-term., 3-pin, and rectangular-connector versions.
• Confirm the switch location on the vehicle, as fitment includes radiator, front, and cylinder-head mounting positions.
• Match the year, make, model, and notes exactly to the vehicle application.
• Inspect the cooling system for coolant level, wiring condition, and connector corrosion during replacement.

Quality Assurance

SKP SKTS139 is cataloged for direct application matching across the listed Audi, Volkswagen, and Porsche fitments. Cross-reference part numbers include 1S4350 and TS-139.