HomeFour Seasons 20030 Engine Cooling Fan Switch
Part #: 20030

Four Seasons 20030 Engine Cooling Fan Switch

Temperature Switch
14 vehicles fit this part
Select your vehicle to confirm fitment
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Temperature Switch
Fitment: Chevrolet, Geo, Pontiac, and Suzuki, Firefly, Metro, Sprint, and Swift
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Reliable Engine Cooling Fan Switch for Chevrolet, Geo, Pontiac, and Suzuki

The Four Seasons Temperature Switch 20030 is engineered to maintain optimal engine temperature by controlling the cooling fan operation. Designed specifically for select Chevrolet Firefly, Geo Metro, Pontiac Sprint, and Suzuki Swift models, this engine cooling fan switch ensures precise temperature regulation and reliable performance.

Key Features of Four Seasons Temperature Switch 20030

  • Temperature-controlled cooling fan switch with on/off activation at 203°F and 185°F
  • Engine-mounted design for accurate temperature sensing
  • Rectangular female connector with 2 terminals for secure electrical connection
  • Male fitting with M16-1.50 thread size for proper installation
  • Meets or exceeds OEM specifications for dependable operation
  • Part number 20030 for easy identification and replacement

Detailed Description of the Temperature Switch 20030

This Four Seasons Temperature Switch from the Temperature Switch product line is a temperature-activated engine cooling fan switch designed to open the fan circuit at 203°F and close it at 185°F, helping to regulate engine temperature effectively. The switch features a rectangular female connector with two terminals, ensuring a reliable electrical connection. Its male fitting with an M16-1.50 thread size allows for secure mounting directly on the engine. Engine-mounted for precise temperature monitoring, this switch is compatible with Chevrolet Firefly, Geo Metro, Pontiac Sprint, and Suzuki Swift vehicles. The part number 20030 identifies this specific switch within the Four Seasons lineup, which focuses on temperature-based control components for engine cooling systems.

Common Applications and Issues Addressed

  • Prevents engine overheating by activating the cooling fan at the correct temperature
  • Ensures cooling fan turns off to avoid unnecessary power consumption
  • Replaces faulty or worn engine cooling fan switches in compatible Chevrolet, Geo, Pontiac, and Suzuki models
  • Helps maintain consistent engine temperature for improved performance and longevity
  • Addresses intermittent fan operation or failure to engage issues

Installation Notes and Tips

When installing the Four Seasons Temperature Switch 20030, ensure the engine is cool before removal to avoid injury. Verify the M16-1.50 male thread size matches the mounting port on the engine. Connect the rectangular female connector securely to the vehicle’s wiring harness, confirming the two terminals are properly seated. Follow vehicle-specific service manual instructions for torque specifications and safety precautions. Proper installation ensures accurate temperature sensing and reliable fan control.

Quality Assurance and Warranty

The Four Seasons Temperature Switch 20030 meets or exceeds OEM standards, providing reliable performance and durability. Manufactured under strict quality control processes, this switch is designed to deliver consistent operation in demanding engine environments. Please refer to Four Seasons’ warranty policy for coverage details.

BrandFour Seasons
Part Number20030
PositionTemperature Switch
Connector ShapeRectangular
Terminal Quantity2
Connector GenderFemale
DescriptionSwitch-temp /engine mount
Fan Open/ClosedOpen
Fitting GenderMale
Fitting Thread SizeM16-1.50
Meets / Exceeds OEM?Yes
Mnt Sys LocEngine mounted
StyleTemperature
Temperature Off185
Temperature On203
TypeCooling fan

This part fits 14 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
1994SuzukiSwiftAutomaticN/AEngine mounted coolant fan switch; Temperature Switch
1993SuzukiSwiftAutomaticN/AEngine mounted coolant fan switch; Temperature Switch
1992SuzukiSwiftAutomaticN/AEngine mounted coolant fan switch; Temperature Switch
1991ChevroletSprintN/AEngine mounted coolant fan switch; Temperature Switch
1991GeoMetroN/AEngine Mounted; Mounted In Throtte Body; Temperature Switch
1991PontiacFireflyN/ATemperature Switch
1991SuzukiSwiftN/ATemperature Switch
1990ChevroletSprintN/AEngine mounted coolant fan switch; Temperature Switch
1990GeoMetroN/AEngine Mounted; Mounted In Throtte Body; Temperature Switch
1990PontiacFireflyN/ATemperature Switch
1990SuzukiSwiftN/AEngine mounted coolant fan switch; Temperature Switch
1989ChevroletSprintN/AEngine mounted coolant fan switch; Temperature Switch
1989PontiacFireflyN/ATemperature Switch
1989SuzukiSwiftManualN/AEngine mounted coolant fan switch; 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:

1112003015510011760070810176007081117600708211768060B001768060B1017680708211768070B001768070B10191881442003020797921183850843960601439606548396065661A87979AC8830HS838SW1425SW1887

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