Engine Coolant Temperature Sensor - GM (55591002)
55591002 - 2010-2021 GM - All Products Come With Factory Warranties

The Engine Coolant Temperature Sensor (ECT) is a vital component for maintaining optimal engine performance. This sensor, often located on the radiator or lower hose, monitors the engine's coolant temperature. The ECT sensor sends this critical information to the vehicle's computer, which then adjusts the air/fuel mixture, ignition timing, and other engine parameters. This ensures the engine runs efficiently and prevents overheating. A faulty ECT sensor can lead to poor fuel economy, difficult starts, and potential engine damage. Choose this genuine GM part to help maintain your vehicle's performance and reliability.
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Product Details
Description
The Engine Coolant Temperature Sensor (ECT) is a vital component for maintaining optimal engine performance. This sensor, often located on the radiator or lower hose, monitors the engine's coolant temperature. The ECT sensor sends this critical information to the vehicle's computer, which then adjusts the air/fuel mixture, ignition timing, and other engine parameters. This ensures the engine runs efficiently and prevents overheating. A faulty ECT sensor can lead to poor fuel economy, difficult starts, and potential engine damage. Choose this genuine GM part to help maintain your vehicle's performance and reliability.
Features & Benefits
- Monitors engine coolant temperature
- Sends information to the vehicle's computer
- Adjusts air/fuel mixture and ignition timing
- Ensures efficient engine operation
- Prevents overheating

| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|---|---|---|---|
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GM
Genuine GM parts and accessories at wholesale prices. All parts come with speedy shipping and factory warranties. Easily order your Engine Coolant Temperature Sensor (55591002) right here and it will be shipped to your door in a matter of days. Use our VIN Checker at checkout to ensure fitment for your vehicle. Your Engine Coolant Temperature Sensor is guaranteed to fit your 2010-2021 GM vehicle.
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