








🌡️ Stay cool, drive smarter — GM precision you can trust!
The GM Genuine Parts 12650595 Engine Coolant Temperature Sensor is a GM OE-certified replacement part engineered to deliver precise temperature readings with ±2°C accuracy and a lightning-fast 1ms response time. Designed for a perfect flange mount fit, it operates reliably across a broad temperature range (-40°C to 250°C), ensuring your GM vehicle’s engine control module optimizes performance and efficiency. Crafted with durable metal construction, this sensor guarantees long-lasting reliability and seamless integration with your GM vehicle.





| Brand | GM GENUINE PARTS |
| Item dimensions L x W x H | 2.5 x 1.3 x 0.8 inches |
| Material | Metal |
| Style | Modern |
| Maximum Supply Voltage | 16 Volts |
| Measurement Accuracy | +/- 2 degrees Celsius |
| Measuring Range | -40°C to 250°C (-40°F to 482°F) |
| Mounting Type | Flange Mount |
| Output Type | Internal/Electronic |
| Response Time | 1 Milliseconds |
| Specific Uses For Product | Temperature Sensor |
| Upper Temperature Rating | 250 Degrees Celsius |
| UPC | 808709374572 |
| Global Trade Identification Number | 00808709374572 |
| Manufacturer | ACDelco |
| Model | Engine Coolant Temperature Sensor |
| Item Weight | 0.634 ounces |
| Product Dimensions | 2.5 x 1.3 x 0.8 inches |
| Item model number | 12650595 |
| Exterior | Machined |
| Manufacturer Part Number | 12650595 |
| OEM Part Number | 12650595 |
| Wattage | 1 watts |
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