HomeBelts and Cooling > SensorsStandard Ignition TX108 Engine Coolant Temperature Sensor
Part #: TX108

Standard Ignition TX108 Engine Coolant Temperature Sensor

⚙️ 27 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, GMC, Isuzu, Saab, and Oldsmobile, Rainier, Trailblazer, Trailblazer EXT, Envoy, Envoy XL, Envoy XUV, Ascender, 9-7x, and Bravada
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Reliable Engine Coolant Temperature Sensor for GM and Isuzu Vehicles

The Standard Ignition TX108 Engine Coolant Temperature Sensor is designed to provide accurate temperature readings for your vehicle's engine cooling system. Compatible with select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models, this sensor ensures optimal engine performance and helps prevent overheating.

Key Features of the Standard Ignition TX108 Sensor

  • Bolt-on attachment method for secure and straightforward installation
  • Female connector with a single round shape for precise electrical connection
  • Durable brass construction for long-lasting performance
  • Two male blade slide terminals for reliable signal transmission
  • Compatible with multiple GM and Isuzu SUVs and crossovers

Detailed Description of the TX108 Engine Coolant Temperature Sensor

The TX108 sensor from Standard Ignition is engineered with a brass body that resists corrosion and withstands high engine temperatures. It features a bolt-on design that simplifies replacement without the need for specialized tools. The sensor includes one female round connector and two male blade slide terminals, ensuring a secure and stable electrical connection. This sensor is specifically designed for use in vehicles such as the Buick Rainier, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy series, Isuzu Ascender and Bravada, Oldsmobile models, and Saab 9-7x, providing precise engine coolant temperature data to the vehicle’s engine control unit (ECU).

Common Applications and Issues Addressed

  • Helps prevent engine overheating by providing accurate temperature readings
  • Resolves erratic temperature gauge readings or warning light activations
  • Improves engine performance by enabling proper fuel mixture adjustments
  • Eliminates engine stalling or rough idling caused by faulty temperature data
  • Supports efficient operation of cooling fans and emission control systems

Installation Notes and Tips

  • Ensure the engine is cool before removing the old sensor to avoid burns
  • Use the bolt-on attachment method to securely fasten the sensor in place
  • Verify the connector gender and terminal types match your vehicle’s wiring harness
  • Check for any coolant leaks after installation and tighten as necessary
  • Consult the vehicle’s service manual for torque specifications and sensor location

Quality Assurance and Warranty Information

Standard Ignition manufactures the TX108 sensor to meet or exceed OEM specifications, ensuring reliable performance and durability. The brass material and precise connector design contribute to consistent sensor operation under demanding conditions. This product is backed by Standard Ignition’s quality standards and typically includes a limited warranty against defects in materials and workmanship. Refer to the warranty documentation for specific terms and coverage details.

BrandStandard Ignition
Part NumberTX108
Attachment MethodBolt On
Connector GenderFemale
Connector ShapeRound
MaterialBrass
Terminal GenderMale
Terminal TypeBlade, Slide

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BuickRainier4.2LL6N/A
2005ChevroletTrailblazer4.2LL6N/A
2005ChevroletTrailblazer EXT4.2LL6N/A
2005GMCEnvoy4.2LL6N/A
2005GMCEnvoy XL4.2LL6N/A
2005GMCEnvoy XUV4.2LL6N/A
2005IsuzuAscender4.2LL6N/A
2005Saab9-7x4.2LL6N/A
2004BuickRainier4.2LL6N/A
2004ChevroletTrailblazer4.2LL6N/A
2004ChevroletTrailblazer EXT4.2LL6N/A
2004GMCEnvoyN/A
2004GMCEnvoy XL4.2LL6N/A
2004GMCEnvoy XUV4.2LL6N/A
2004IsuzuAscender4.2LL6N/A
2004OldsmobileBravadaN/A
2003ChevroletTrailblazer4.2LL6N/A
2003ChevroletTrailblazer EXT4.2LL6N/A
2003GMCEnvoyN/A
2003GMCEnvoy XL4.2LL6N/A
2003IsuzuAscender4.2LL6N/A
2003OldsmobileBravadaN/A
2002ChevroletTrailblazerN/A
2002ChevroletTrailblazer EXTN/A
2002GMCEnvoyN/A
2002GMCEnvoy XLN/A
2002OldsmobileBravadaN/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:

125645122CTS0046378665S160371-26677393674191812564512093001CT0099CTSA29TS5722TS5722SBTW296TX108TWT5122WTC1047

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