HomeBelts and Cooling > SwitchesStandard Ignition TS-546 Engine Cooling Fan Switch
Part #: TS-546

Standard Ignition TS-546 Engine Cooling Fan Switch

⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW and Nissan, 318i, 318ti, and Maxima
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Reliable Engine Cooling Fan Switch for BMW 318i, 318ti, and Nissan Maxima

The Standard Ignition TS-546 Engine Cooling Fan Switch is designed to maintain optimal engine temperature by controlling the cooling fan operation. Compatible with BMW 318i, 318ti, and Nissan Maxima models, this switch ensures efficient cooling system performance.

  • Attachment Method: Plug in for easy installation
  • Durable metal housing with black and gold finish
  • Round switch shape with toggle actuation style
  • 12-volt operation with three male pin terminals
  • Connector: Female, round shape, single connector
  • Compact size: 0.86 inches (21.844 mm) width
  • Open at idle feature for precise fan control
  • No wiring harness or hardware included

Product Details and Specifications

The TS-546 Engine Cooling Fan Switch from Standard Ignition features a robust metal housing designed to withstand engine bay conditions. Its plug-in attachment method simplifies replacement without the need for additional hardware. The switch operates on a 12-volt system and includes three male pin terminals with a female round connector, ensuring secure electrical connections. The toggle actuation style and round switch shape provide reliable fan control, opening at idle to maintain proper engine temperature. This switch does not include a bulb or wiring harness, making it ideal for direct replacement in compatible vehicles.

Compatible Vehicles and Applications

This engine cooling fan switch is compatible with select BMW and Nissan models, specifically the BMW 318i and 318ti, as well as the Nissan Maxima. It is designed to replace the original cooling fan switch, helping to regulate the engine cooling fan's operation and prevent overheating or inefficient cooling.

  • Prevents engine overheating by activating the cooling fan
  • Ensures proper fan operation at idle and running conditions
  • Replaces faulty or worn cooling fan switches
  • Maintains engine temperature for optimal performance
  • Helps avoid cooling system failures related to switch malfunction

Installation Notes and Tips

Installation of the Standard Ignition TS-546 switch requires no additional hardware or wiring harness. Simply unplug the existing switch and plug in the new unit, ensuring the connector is securely attached. Verify the switch orientation and terminal connections before finalizing installation. It is recommended to check the cooling fan operation after installation to confirm proper function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TS-546 Engine Cooling Fan Switch undergoes rigorous quality control to provide consistent operation. Please refer to Standard Ignition's warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberTS-546
Connector GenderFemale
Terminal GenderMale
Terminal TypePins

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
1997BMW318iN/ATo 2/97
1997BMW318tiN/ATo 2/97
1996BMW318iN/A80 to 88 Degree Celsius Switch
1996BMW318tiN/A80 to 88 Degree Celsius Switch
1995BMW318iN/A80 to 88 Degree Celsius Switch
1995BMW318tiN/A80 to 88 Degree Celsius Switch
1994BMW318iN/A80 to 88 Degree Celsius Switch
1993BMW318iN/A80 to 88 Degree Celsius Switch
1992BMW318iN/A80 to 88 Degree Celsius Switch
1989NissanMaximaN/Aw/ 100 Deg. C Switch; On Upper Radiator

* 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:

00783710117-11671S3977201-152053-1378861318361787FS270SW4247TFS651V20-99-1260

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