HomeBelts and Cooling > SwitchesStandard Ignition TS-257 Engine Cooling Fan Switch
Part #: TS-257

Standard Ignition TS-257 Engine Cooling Fan Switch

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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: MG, MGB
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Reliable Engine Cooling Fan Switch for Vehicle Cooling Systems

The Standard Ignition TS-257 Engine Cooling Fan Switch is designed to maintain optimal engine temperature by controlling the cooling fan operation. This plug-in switch features a durable metal housing and brass finish, ensuring reliable performance in demanding automotive environments.

  • Attachment Method: Plug in for easy installation
  • Connector: Female, oval shape with one connector
  • Switch Actuation Style: Toggle, open at idle
  • Voltage: 12 volts compatible with most automotive systems
  • Terminals: Two male bullet-type terminals for secure electrical connection
  • Housing Material: Metal with brass finish for corrosion resistance
  • Compact size: 0.53 inches (13.462 mm) overall width

Technical Details and Construction

The TS-257 Engine Cooling Fan Switch from Standard Ignition is engineered with a metal housing and brass finish to withstand heat and corrosion typically found in engine compartments. Its toggle actuation style allows the switch to open at idle, helping regulate the cooling fan's operation based on engine temperature. The switch includes a single female oval connector and two male bullet terminals, providing a secure and reliable electrical connection. This 12-volt switch does not include wiring harnesses or mounting brackets, allowing for flexible installation options depending on vehicle requirements.

Compatible Vehicles and Applications

This engine cooling fan switch is compatible with a range of vehicles requiring a 12-volt toggle-style switch with a plug-in attachment method. It is commonly used in automotive makes and models that utilize a female oval connector and bullet terminal configuration for their cooling fan control systems. The Standard Ignition TS-257 is suitable for vehicles needing a reliable switch to manage engine cooling fan activation and deactivation.

Common Issues Addressed by the TS-257 Switch

  • Prevents engine overheating by activating the cooling fan at the correct temperature
  • Resolves intermittent cooling fan operation due to faulty switch contacts
  • Eliminates cooling fan running continuously at idle by opening the circuit
  • Replaces worn or corroded switches causing electrical connection failures
  • Improves engine temperature regulation for consistent vehicle performance

Installation Notes and Tips

Installation of the Standard Ignition TS-257 Engine Cooling Fan Switch requires disconnecting the battery and locating the existing fan switch on the vehicle. The plug-in attachment method allows for straightforward replacement without additional wiring modifications. Ensure the female oval connector aligns properly with the switch terminals and secure the bullet terminals firmly. Since no mounting brackets or hardware are included, verify the switch is properly supported in the mounting location to prevent vibration damage.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing dependable performance and durability. The TS-257 Engine Cooling Fan Switch undergoes rigorous quality control to ensure consistent operation under normal vehicle conditions. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship.

BrandStandard Ignition
Part NumberTS-257
ColorBlack
Connector GenderFemale
FinishBrass
Terminal TypeBullet

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

17-11131S4431201-110853-1389388923752FS233RF190SW595TFS575URP1126

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