Engine Coolant Temperature Sensor Replacement For GM Chevrolet Cruze Sonic Trax Volt Encore And ELR 55563530 55591401 SU13821 OE Style Plug And Play Water Temperature Sensor Fits 2011 2012 Cruze 2013 2020 Sonic 2015 2021 Trax 2013 2015 Volt 2013 2021
✔️ Single unit, OE style, plug and play water temp sensor
This OE style water temperature sensor replaces several GM parts and is commonly used in Cruze, Sonic, Trax, and Volt models from 2011 to 2021. It provides accurate coolant temperature readings to the vehicle’s engine control unit (ECU), helping the cooling system respond correctly and keep the engine in its optimal temperature range. Simple plug‑and‑play installation means you can swap it in with basic hand tools.
✅ Replacement OEM numbers: 55563530, 55591401, 12636534, 55591002, SU13821
✅ Compatible with 2011-2021 GM models: Cruze, Sonic, Trax, Volt
✅ Functions to monitor coolant temp and feed data to the ECU for fans and fuel trim
✅ Solid copper construction for stability and corrosion resistance
✅ Easy installation: detach connector, unscrew, install new sensor, reconnect
💡 What is an engine coolant temperature sensor and why it matters?
It provides real time coolant temperature data to the vehicle's computer, which uses that data to control cooling fans and adjust fuel delivery for optimal performance.
- real time coolant temp data to ECU - enables proper fan control and fuel trim - improves cold start and overall efficiency