HomeBelts and Cooling > SensorsGlobal Parts 1712578 Engine Coolant Temperature Sensor
Part #: 1712578

Global Parts 1712578 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 Select GM and Isuzu Vehicles

The Global Parts 1712578 Engine Coolant Temperature Sensor is designed to provide accurate temperature readings for your vehicle's engine cooling system. Compatible with various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models, this sensor helps maintain optimal engine performance and prevents overheating.

Key Features of the Global Parts 1712578 Sensor

  • Engine coolant temperature sensor designed for precise temperature monitoring
  • Compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles
  • Fits models including 9-7x, Ascender, Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT
  • Durable construction to withstand engine heat and pressure
  • Direct replacement part number 1712578 for easy identification and fitment

Detailed Description of the Engine Coolant Temperature Sensor

The Global Parts 1712578 Engine Coolant Temperature Sensor is engineered to monitor the temperature of the engine coolant accurately. This sensor sends temperature data to the vehicle’s engine control unit (ECU), enabling the system to adjust fuel injection and ignition timing for efficient engine operation. Designed specifically for compatibility with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles, including models like the Trailblazer and Envoy series, this sensor ensures reliable performance and helps maintain engine longevity.

Common Applications and Issues Addressed

  • Prevents engine overheating by providing accurate coolant temperature readings
  • Helps resolve erratic temperature gauge readings on the dashboard
  • Supports proper engine fuel mixture adjustments to improve fuel efficiency
  • Reduces risk of engine stalling or rough idling caused by faulty temperature data
  • Assists in maintaining optimal engine operating temperature for emission control

Installation Notes and Tips

  • Ensure the engine is cool before attempting sensor replacement to avoid burns
  • Disconnect the battery to prevent electrical shorts during installation
  • Locate the existing coolant temperature sensor on the engine block or cylinder head
  • Use appropriate tools to remove the old sensor and install the Global Parts 1712578 sensor securely
  • Check for coolant leaks after installation and clear any diagnostic trouble codes if necessary

Quality Assurance and Warranty Information

Global Parts manufactures the 1712578 Engine Coolant Temperature Sensor to meet or exceed OEM specifications for fit, form, and function. Each sensor undergoes rigorous testing to ensure durability and accurate performance under various operating conditions. While specific warranty details may vary, Global Parts typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your replacement part.

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BuickRainier4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2005ChevroletTrailblazer4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2005ChevroletTrailblazer EXT4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2005GMCEnvoy4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2005GMCEnvoy XL4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2005GMCEnvoy XUV4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2005IsuzuAscender4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2005Saab9-7x4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2004BuickRainier4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2004ChevroletTrailblazer4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2004ChevroletTrailblazer EXT4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2004GMCEnvoy4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2004GMCEnvoy XL4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2004GMCEnvoy XUV4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2004IsuzuAscender4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2004OldsmobileBravada4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2003ChevroletTrailblazer4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2003ChevroletTrailblazer EXT4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2003GMCEnvoy4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2003GMCEnvoy XL4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2003IsuzuAscender4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2003OldsmobileBravada4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2002ChevroletTrailblazer4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2002ChevroletTrailblazer EXT4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2002GMCEnvoy4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2002GMCEnvoy XL4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal
2002OldsmobileBravada4.2LL6N/ACoolant Temp Sensor; M12 x 1.75 Thread; 2 Terminal

* 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:

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