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🌟 Stay cool, stay ahead — the GM-approved sensor your engine deserves!
The ACDelco 55591401 Engine Coolant Temperature Sensor is a GM Original Equipment replacement part designed for precise temperature monitoring with ±1.5% accuracy. Crafted from durable ceramic and metal, it fits perfectly to GM OE specifications, ensuring reliable performance up to 120°C. Backed by a 12-month/12,000-mile warranty, this sensor offers seamless installation and trusted durability for your GM vehicle’s cooling system.





| ASIN | B00S0FHETW |
| Best Sellers Rank | #325,584 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #22 in Coolant Temperature Sensors |
| Brand Name | GM GENUINE PARTS |
| Customer Reviews | 4.6 4.6 out of 5 stars (694) |
| Global Trade Identification Number | 00808709051022 |
| Item Dimensions | 6.4 x 4.3 x 2.3 Centimeters |
| Item Weight | 0.03 Pounds |
| Manufacturer | ACDelco |
| Material Type | Ceramic, Metal |
| Measurement Accuracy | ±1.5% |
| Model Number | 55591401 |
| Number of Items | 1 |
| Output Type | analog |
| Part Number | 55591401 |
| Specific Uses For Product | Temperature Sensor |
| Style Name | Temperature Sensor |
| UPC | 808709051022 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 120 Degrees Celsius |
| Warranty Description | 12 Months / 12,000 Miles (Parts Only) |
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