HomeBelts and Cooling > SwitchesStandard Ignition TS-412 Engine Cooling Fan Temperature Switch
Part #: TS-412

Standard Ignition TS-412 Engine Cooling Fan Temperature Switch

⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: INFINITI, M30 and Q45
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Reliable Engine Cooling Fan Temperature Switch for Infiniti M30 and Q45

The Standard Ignition TS-412 Engine Cooling Fan Temperature Switch is designed to maintain optimal engine temperature by controlling the cooling fan operation in Infiniti M30 and Q45 models. This plug-in switch ensures precise fan activation to prevent overheating and maintain engine efficiency.

  • Compatible with Infiniti M30 and Q45 vehicles
  • Plug-in attachment method for easy installation
  • Durable plastic and metal housing construction
  • 13.5-inch (342.9 mm) wiring harness included
  • 12-volt toggle switch actuation style
  • Square connector shape with female connector gender
  • Thread size: 16mm x 1.50 for secure mounting
  • Two-pin male terminal type for reliable electrical connection
  • Open at idle to ensure proper fan control

Product Details and Specifications

The TS-412 Engine Cooling Fan Temperature Switch from Standard Ignition features a robust design with a combination of plastic and metal housing materials to withstand engine bay conditions. It includes a 13.5-inch wiring harness with two wires and a female square connector, facilitating a straightforward plug-in installation. The switch operates on a 12-volt system and uses a toggle actuation style, opening at idle to regulate the cooling fan effectively. The switch’s thread size of 16mm x 1.50 ensures compatibility with the designated Infiniti models. This part does not include a bulb or mounting brackets but comes with the necessary wiring harness for immediate use.

Purpose and Common Applications

  • Controls engine cooling fan activation based on temperature
  • Prevents engine overheating by regulating fan operation
  • Maintains optimal engine temperature for performance and longevity
  • Replaces faulty or worn temperature switches in Infiniti M30 and Q45
  • Ensures proper electrical connection with two-pin terminals

Installation Notes and Tips

Installation of the Standard Ignition TS-412 switch is straightforward due to its plug-in attachment method and included wiring harness. Ensure the engine is cool before beginning installation. The 16mm x 1.50 threaded switch should be securely threaded into the designated port. Verify the square female connector aligns properly with the vehicle’s wiring harness. No additional hardware or mounting brackets are required. Testing the switch operation after installation is recommended to confirm proper fan control.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TS-412 Engine Cooling Fan Temperature Switch undergoes rigorous quality control to provide consistent operation in Infiniti M30 and Q45 vehicles. Warranty coverage details are available through Standard Ignition and typically include protection against defects in materials and workmanship.

BrandStandard Ignition
Part NumberTS-412
Connector GenderFemale
Terminal GenderMale
Terminal TypePins

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
1992INFINITIM30N/A
1992INFINITIQ45N/A
1991INFINITIM30N/A
1991INFINITIQ45N/A
1990INFINITIM30N/A
1990INFINITIQ45N/A

* 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:

15-5039317-11511S73772158860U003748953-13803FS180RF197SW4933TFS626

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