Factory Fit Engine Coolant Temperature Sensor 12641073 For Gm Platforms Buick Bolt EV EUV Colorado Malibu Trailblazer Volt Terrain Built Like A Boss And Dead On Accurate

Single Replacement Coolant Temp Sensor 12641073 Direct Fit
✔️ Works With Cadillac Chevrolet Buick GMC Vehicle Cooling Units

This single coolant temperature sensor monitors engine fluid heat to feed data directly to your dash computer. You will find this component tucked inside the coolant passages on most GM platform builds. It acts as a handy relay that tracks fluid warmth so your thermostat flips up when things get hot.

✅ Metal shell mixed with tough polymer housings for road grit defense
✅ Delivers dead accurate fluid readings to boost fuel economy and torque
✅ Strong contact pins block loose wiring and weird signal dropouts
✅ Early heat detection stops sudden steam events before pipes crack open

💡 Why trust a direct replacement coolant sensor over cheap third party gear?
Flaky sensors send trash data straight to your powertrain control module.
Swapping this piece back onto your rail brings rock steady operation.
- Stable thermistor response lets the ecu tune injection timing perfectly
- Reliable voltage curves keep transmission shifts crisp under heavy towing
- Continuous coolant tracking saves pricey water pump replacements later