HomeBelts and Cooling > SwitchesStandard Ignition TS-343 Engine Cooling Fan Switch
Part #: TS-343

Standard Ignition TS-343 Engine Cooling Fan Switch

⚙️ 1 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$78.58Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Isuzu, Stylus
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Engine Cooling Fan Switch TS-343

The Standard Ignition TS-343 Engine Cooling Fan Switch is designed specifically for Isuzu Stylus models, providing reliable temperature control for your vehicle's cooling system. This switch features a plug-in attachment method and a durable metal housing to ensure consistent performance under demanding conditions.

  • Compatible with Isuzu Stylus vehicles
  • Plug-in attachment method for easy installation
  • Durable metal housing with gray and gold finish
  • Single female square connector with one blade terminal
  • Thread size of 17mm x 1.50 for secure mounting
  • Operates at 12 volts with toggle switch actuation
  • Compact size: 0.53 inches (13.462 mm) width
  • Open at idle to maintain optimal engine temperature

Detailed Product Description

The Standard Ignition TS-343 Engine Cooling Fan Switch is engineered to regulate the operation of the cooling fan in Isuzu Stylus vehicles. Featuring a plug-in style connector with a female square shape and a single blade terminal, this switch ensures a secure electrical connection. The metal housing provides durability and resistance to heat and vibration, essential for engine compartment components. Its toggle actuation style allows the switch to open at idle, helping maintain proper engine temperature and prevent overheating. The 17mm x 1.50 thread size allows for straightforward installation into the cooling system assembly.

Common Applications and Issues Addressed

  • 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 failure caused by damaged or worn switches
  • Helps maintain consistent engine temperature during idle and driving conditions
  • Supports proper electrical connection with plug-in female connector

Installation Notes and Tips

  • Ensure vehicle compatibility with Isuzu Stylus before installation
  • Disconnect the battery to avoid electrical shorts during replacement
  • Use appropriate tools to remove the old switch with 17mm x 1.50 thread size
  • Verify the plug-in connector is securely attached to prevent loose connections
  • Check for any coolant leaks around the mounting area after installation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TS-343 Engine Cooling Fan Switch undergoes rigorous quality control testing to maintain consistent functionality. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandStandard Ignition
Part NumberTS-343
Connector GenderFemale
Connector TypePlug In
Terminal GenderMale
Terminal TypeBlade

This part fits 1 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1991IsuzuStylus1.6LL4N/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:

17-1426213-2601374575S153871-25908943773730SU4284TS6034TW239WT703

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