Four Seasons 37835 Engine Coolant Temperature Sensor

Coolant Temperature Sensor for Audi and Volkswagen

Four Seasons 37835 is an engine coolant temperature sensor for select Audi and Volkswagen applications. It uses a female, square 4-terminal connector and a clip-in, no-thread mounting style for direct replacement where the original sensor matches this design.

Key Features

• Engine coolant temperature sensor for cooling system signal input
• Female connector with square 4-terminal layout
• No threads / clip-in fitting style
• Meets or exceeds OEM requirements
• Four Seasons Coolant Temp Sensor line

Product Details

Four Seasons 37835 is built for vehicles that rely on accurate coolant temperature data for engine management and HVAC-related control strategies. This sensor is listed for Audi A4, Audi A4 Quattro, Audi A6, Audi A6 Quattro, Volkswagen Golf, Volkswagen Jetta, and Volkswagen Beetle applications across the model years shown below. This part cross-references URO 059919501 for the same application.

The Four Seasons Coolant Temp Sensor line focuses on direct-fit cooling system sensors with OE-style electrical and mounting interfaces. For buyers searching for a 2006 Audi A6 coolant temp sensor, a 1999 Volkswagen Jetta blue coolant temp sensor, or a 1997-2000 Audi A4 coolant temperature sensor, part number 37835 is listed among the matching replacements.

What It Helps Address

• Incorrect coolant temperature readings at the engine control system
• Hard starting or rough running related to temperature signal errors
• Cooling fan or HVAC control issues tied to sensor input
• Illuminated check engine light from coolant temperature sensor faults
• Intermittent temperature gauge behavior on supported vehicles

Installation Notes and Fitment

• Fits 2006 Audi A6, N/A
• Fits 1999 Audi A6, N/A
• Fits 2006 Audi A6 Quattro, N/A
• Fits 1999 Audi A6 Quattro, N/A
• Fits 2005 Audi A6, N/A, 4-terminal HVAC wiring relay; Coolant Temp Sensor
• Fits 1998 Audi A6, N/A, 4-terminal HVAC wiring relay; Coolant Temp Sensor
• Fits 2005 Audi A6 Quattro, N/A, 4-terminal HVAC wiring relay; Coolant Temp Sensor
• Fits 1998 Audi A6 Quattro, N/A, 4-terminal HVAC wiring relay; Coolant Temp Sensor
• Fits 2000-2002 Volkswagen Golf, N/A
• Fits 1999-2000 Audi A4, N/A, 4-terminal HVAC wiring relay; Coolant Temp Sensor
• Fits 2000 Audi A4 Quattro, N/A, 4-terminal HVAC wiring relay; Coolant Temp Sensor
• Fits 1997-1999 Audi A4 Quattro, N/A
• Fits 1998-1999 Volkswagen Beetle, N/A
• Fits 1999 Volkswagen Golf, N/A, Rounded connector; Coolant Temp Sensor
• Fits 1999 Volkswagen Golf, N/A, 4-terminal HVAC wiring relay; Coolant Temp Sensor
• Fits 1999 Volkswagen Jetta, N/A, Blue; Coolant Temp Sensor
• Fits 1999 Volkswagen Jetta, N/A, Blue; 4 Term.; Coolant Temp Sensor
• Fits 1997-1998 Audi A4, N/A

Verify the connector shape, terminal count, and clip-in mounting style against the original sensor before installation. This sensor is listed for multiple Audi A6 and Volkswagen Golf/Jetta configurations, so matching the notes on the vehicle application is important for correct fitment.

Quality Assurance

Four Seasons lists this coolant temperature sensor as meeting or exceeding OEM requirements for the specified applications.