


🔥 Stay cool, drive smarter with GM’s trusted sensor ⚙️
The ACDelco 55591401 Engine Coolant Temperature Sensor is a GM Original Equipment replacement part designed for precise temperature monitoring. Manufactured to GM OE specifications, it guarantees perfect fit, form, and function. Its durable ceramic and metal construction ensures reliability under extreme conditions, while its compact, lightweight design allows for easy, no-assembly installation—keeping your engine running optimally and preventing costly overheating.





| Brand | ACDelco |
| Item dimensions L x W x H | 6.4 x 4.3 x 2.3 Centimeters |
| Material | Ceramic, Metal |
| Item Weight | 14 g |
| Style | Temperature Sensor |
| Output Type | analog |
| Specific Uses For Product | Temperature Sensor |
| UPC | 808709051022 |
| Global Trade Identification Number | 00808709051022 |
| Manufacturer | ACDelco |
| Product Dimensions | 6.35 x 4.32 x 2.29 cm; 13.61 g |
| Item model number | 55591401 |
| Manufacturer Part Number | 55591401 |
| OEM Part Number | 55591401 |
| Volume | 4 Cubic Inches |
| Assembly Required | No |
| Item Weight | 13.6 g |
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