Engine Coolant Temperature Sensor Replacement For Chevrolet Cruze Sonic Trax Volt Encore ELR 2011-2021 With OEM Numbers 55563530 55591401 SU13821 12636534 55591002 Water Temperature Sensor Compatible

Engine Coolant Temperature Sensor for GM Cars, OE-listed
✔️ Replaces 55563530, 55591401; single unit OE replacement

This engine coolant temperature sensor is a direct replacement used on GM cars to monitor engine temperature and control cooling fans. It's commonly used in Cruze, Sonic, Trax, Spark EV, Volt, Encore and ELR models from 2011 to 2021 to help keep the engine at the right temperature and prevent overheating.

✅ Replacement OEM numbers: 55563530, 55591401, 12636534, 55591002, SU13821
✅ Compatible vehicles: Cruze, Sonic, Trax, Spark EV, Volt (2011-2021)
✅ Function: Monitors coolant temperature and signals the cooling fan for safe operation
✅ Material: Solid copper construction for durability and corrosion resistance
✅ Easy to install: Unplug, unscrew, replace, reseat plug; no extra mods needed

💡 What is a coolant temperature sensor and why does it matter for engine performance?

The coolant temperature sensor tells the ECU how hot the coolant is, influencing fuel, ignition, and cooling system behavior.

- Accurate temperature data enables proper fuel metering
- Timely cooling fan activation helps prevent overheating
- Improves cold-start performance and emissions
- Helps prolong engine life by keeping temps in the target range