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🌟 Stay cool, perform cooler — GM-grade precision for your engine’s heartbeat
The ACDelco GM Original Equipment 55591401 Engine Coolant Temperature Sensor is a high-accuracy, OEM-spec replacement part designed specifically for GM vehicles. It ensures optimal engine performance by precisely monitoring coolant temperature to adjust fuel and ignition settings. Manufactured with durable materials and a threaded mount for easy installation, this sensor delivers reliable, long-lasting operation trusted by hundreds of GM owners.





| Asin | B00S0FHETW |
| Brand Name | GM GENUINE PARTS |
| Customer Reviews | 4.6 4.6 out of 5 stars (693) 4.6 out of 5 stars |
| Global Trade Identification Number | 00808709051022 |
| Included Components | 55591401 |
| Item Dimensions | 6.4 x 4.3 x 2.3 centimeters |
| Item Type Name | SENSOR ASM-ENG COOL TEMP |
| Item Weight | 0.03 Pounds |
| Manufacturer | ACDelco |
| Material Type | Metal alloy or durable plastic |
| Measurement Accuracy | High |
| Model | 55591401 |
| Mounting Type | threaded mount |
| Number Of Items | 1 |
| Output Type | Digital |
| Part Number | 55591401 |
| Specific Uses For Product | Temperature Sensor |
| Style Name | Modern |
| Unit Count | 1 Count |
| Upc | 808709051022 |
| Upper Temperature Rating | 260 Degrees Fahrenheit |
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