HomeBelts and Cooling > SwitchesFour Seasons 36520 Engine Cooling Fan Switch
Part #: 36520

Four Seasons 36520 Engine Cooling Fan Switch

Temperature Switch
⚙️ 23 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Temperature Switch
🚗Fitment: Saab, Porsche, Yugo, Renault, Volkswagen, Audi, and Peugeot, 900, 924, GV, R18i, R5, Fuego, LeCar, Rabbit, Rabbit Convertible, Scirocco, 4000, Rabbit Pickup, 604, Dasher, R17, R15, and R16
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Reliable Engine Cooling Fan Switch for Audi, Porsche, Saab, and Volkswagen

The Four Seasons Temperature Switch 36520 is engineered to maintain optimal engine temperature by controlling the radiator fan operation. Designed for specific vehicle models including Audi 900, Porsche 924, Saab 900, and Volkswagen Rabbit Convertible and Pickup, this switch ensures precise temperature regulation and reliable performance.

  • Connector color: Black with open male connector
  • Two terminal pins for secure electrical connection
  • Fitting thread size: M22 x 1.50 male thread
  • Temperature activation range: turns on at 203°F and off at 194°F
  • Radiator mount design for direct temperature sensing
  • Meets or exceeds OEM specifications for dependable fit and function

About the Four Seasons Temperature Switch Product Line

The Four Seasons Temperature Switch line focuses on precision temperature control components for engine cooling systems. This product line includes switches designed to activate and deactivate radiator fans based on engine temperature, helping to prevent overheating and maintain efficient cooling. The 36520 switch is part of this line, offering reliable operation with exact temperature thresholds and durable construction suitable for various European and domestic vehicles.

Product Details and Specifications

This engine cooling fan switch features a black open male connector with two terminal pins, ensuring a secure and stable electrical connection. The switch mounts directly to the radiator using a male M22 x 1.50 threaded fitting, allowing accurate temperature sensing at the radiator surface. It activates the cooling fan at 203°F and deactivates it at 194°F, maintaining optimal engine temperature. The switch is compatible with select Audi, Porsche, Saab, and Volkswagen models, including the Audi 900, Porsche 924, Saab 900, and Volkswagen Rabbit Convertible and Pickup.

Common Applications and Issues Addressed

  • Prevents engine overheating by activating radiator fan at correct temperature
  • Ensures cooling fan turns off to avoid unnecessary power consumption
  • Replaces faulty or worn temperature switches causing erratic fan operation
  • Restores proper engine temperature regulation in Audi 900 and Porsche 924 vehicles
  • Maintains cooling system efficiency in Volkswagen Rabbit Convertible and Pickup models

Installation Notes and Tips

  • Ensure the radiator surface is clean and free of debris before installation
  • Use appropriate tools to avoid damaging the M22 x 1.50 threaded fitting
  • Verify connector polarity and secure connection to prevent electrical issues
  • Check for coolant leaks around the switch mounting area after installation
  • Consult vehicle service manual for specific torque specifications and procedures

Quality Assurance and Warranty

The Four Seasons Temperature Switch 36520 meets or exceeds OEM standards, providing reliable performance and durability. This part undergoes rigorous quality control to ensure proper fit and function in compatible Audi, Porsche, Saab, and Volkswagen models. Warranty coverage details should be confirmed with the product supplier or manufacturer.

BrandFour Seasons
Part Number36520
PositionTemperature Switch
Connector ColorBlack
Connector GenderMale
Connector ShapeOpen
DescriptionSwitch-Temp /Radiator Mount
Fan Open/ClosedOpen
Fitting GenderMale
Fitting ThreadM22x1.500
Fitting Thread SizeM22 x 1.50
Functiontemperature switch
Meets / Exceeds OEM?YES
Mnt Sys LocRadiator Mount
StyleTemperature
Temperature Off194
Temperature On203
Terminal Pin Qty.2
Terminal Quantity2
TypeTemperature

This part fits 23 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1994Saab900N/ARadiator Mounted; 2 Term.; Temperature Switch
1993Saab900N/ARadiator Mounted; 2 Term.; Temperature Switch
1992Saab900N/ARadiator Mounted; 2 Term.; Temperature Switch
1991Saab900N/ARadiator Mounted; 2 Term.; Temperature Switch
1990Saab900N/ARadiator Mounted; 2 Term.; Temperature Switch
1989Saab900N/ARadiator Mounted; 2 Term.; Temperature Switch
1988Saab900N/ARadiator Mounted; 2 Term.; Temperature Switch
1987Porsche924N/ARadiator Mounted Engine Cooling Fan Switch; Temperature Switch
1987Saab900N/ARadiator Mounted; 2 Term.; Temperature Switch
1986Saab900N/ARadiator Mounted; 2 Term.; Temperature Switch
1984VolkswagenRabbit ConvertibleN/ARadiator Mounted; 2 Term.; Temperature Switch
1983Audi4000N/ARadiator Mounted Engine Cooling Fan Switch; Temperature Switch
1983VolkswagenRabbit ConvertibleN/ARadiator Mounted; 2 Term.; Temperature Switch
1983VolkswagenRabbit Pickup1.7LL4N/ARadiator Mounted; 2 Term.; Temperature Switch
1982Audi4000N/ARadiator Mounted Engine Cooling Fan Switch; Temperature Switch
1982VolkswagenRabbit ConvertibleN/ARadiator Mounted; 2 Term.; Temperature Switch
1982VolkswagenRabbit Pickup1.7LL4N/ARadiator Mounted; 2 Term.; Temperature Switch
1981Audi4000N/ARadiator Mounted Engine Cooling Fan Switch; Temperature Switch
1981VolkswagenRabbit ConvertibleN/ARadiator Mounted; 2 Term.; Temperature Switch
1981VolkswagenRabbit Pickup1.7LL4N/ARadiator Mounted; 2 Term.; Temperature Switch
1980Audi4000N/ARadiator Mounted Engine Cooling Fan Switch; Temperature Switch
1980VolkswagenRabbit ConvertibleN/ARadiator Mounted; 2 Term.; Temperature Switch
1980VolkswagenRabbit PickupN/ARadiator Mounted; 2 Term.; Temperature Switch

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1113593311136520155078415507851711318171139017113911914504319189531207666211987341336520503175176377013481947701348765801917801970823959481A823959481F823959481HA77666AC8502HS987MT0557SW3157SW533SW552SW596SW8425TU107

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.