Standard Ignition TX125 Engine Coolant Temperature Sensor

Brand Standard Ignition TX125
Attachment Method Bolt On
Color Gold
Connector Gender Female
Connector Shape Rectangular
Connector Type Plug In
Finish Dichromate
Material Brass
Terminal Gender Male
Terminal Type Blade
Fits Saab · 12 vehicles

Bolt-on installation. Plug-in coolant temperature sensor with a rectangular connector.

Brass construction. Dichromate finish helps resist corrosion.

Female connector. Single connector with two blade terminals.

Cross-references Standard Ignition TX125, 9182205 and TS5737 for the same application. See all 5.

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Engine Coolant Temperature Sensor for Saab

Standard Ignition TX125 is an engine coolant temperature sensor built with a brass body, gold dichromate finish, and a bolt-on attachment method. It uses a single rectangular plug-in female connector with two male blade terminals for a direct electrical connection in the cooling system.

Key Features

  • Engine coolant temperature sensor for cooling system temperature input
  • Brass construction with dichromate finish
  • Bolt-on mounting style for secure installation
  • 1 rectangular female connector with plug-in design
  • 2 male blade terminals for signal transfer
  • Standard Ignition TX125 replacement part

Detailed Description

The Standard Ignition TX125 is an engine coolant temperature sensor used to report coolant temperature data to the vehicle control system. Accurate temperature input is important for fuel delivery, idle quality, and cooling fan operation. This sensor is a direct-fit style replacement for select Saab applications, including 1999-2000 Saab 9-3, 1994-1998 Saab 900, and 1994-1998 Saab 9000. This part cross-references 9182205 and TS5737 for the same application.

What It Helps Address

  • Incorrect coolant temperature readings
  • Hard starting when the engine is cold
  • Rough idle related to temperature signal errors
  • Cooling fan operation triggered by faulty sensor input
  • Check engine light concerns tied to coolant temperature data

Installation Notes and Tips

Verify connector shape, terminal style, and mounting style before installation. Clean the mating surface and inspect the harness connector for corrosion or looseness before connecting the new sensor. Confirm application by year and model: Fits 1999-2000 Saab 9-3, N/A; Fits 1994-1998 Saab 900, N/A; Fits 1994-1998 Saab 9000, N/A.

Quality Assurance

Standard Ignition is an established aftermarket brand for electrical and engine management components. TX125 is built to match the listed connector, terminal, and mounting specifications for the confirmed Saab applications.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2000Saab9-3N/A
1999Saab9-3N/A
1998Saab9002.0LL4N/A
1998Saab9000N/A
1997Saab9002.0LL4N/A
1997Saab90002.3LL4N/A
1996Saab9002.0LL4N/A
1996Saab90002.3LL4N/A
1995Saab9002.0LL4N/A
1995Saab90002.3LL4N/A
1994Saab9002.0LL4N/A
1994Saab9000N/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — TX1259182205TS5737TU329WT5138