

🌡️ Stay cool, stay ahead — trust the sensor GM pros rely on!
The ACDelco GM Original Equipment 213-77 Engine Coolant Temperature Sensor delivers precise temperature monitoring with ±2% accuracy, engineered to GM OE standards for perfect fit and durability. Designed for seamless ECM control of fuel injection, it supports up to 16V supply voltage and withstands temperatures up to 300°F, making it a reliable upgrade for maintaining optimal engine performance.





| ASIN | B000C9JS5C |
| Best Sellers Rank | #147,180 in Automotive ( See Top 100 in Automotive ) #156 in Automotive Replacement Coolant Temperature Sensors |
| Brand Name | GM GENUINE PARTS |
| Country Of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (635) |
| Global Trade Identification Number | 00036666488166 |
| Included Components | Engine Coolant Temperature Sensor |
| Item Dimensions | 7.6 x 3.8 x 2.8 centimeters |
| Item Type Name | Engine Coolant Temperature Sensor |
| Item Weight | 45 g |
| Manufacturer | ACDelco |
| Material Type | Engineered plastic or composite |
| Maximum Supply Voltage | 16 Volts (DC) |
| Measurement Accuracy | ±2% |
| Model | 213-77 |
| Mounting Type | Flange Mount |
| Output Type | analog |
| Specific Uses For Product | Temperature |
| Style Name | Modern |
| UPC | 036666488166 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 300 Degrees Fahrenheit |
K**F
Good quality sensor but not the sensor I needed to repair the dash on my 1991GMCK 1500. This is the sensor that controls the ECM and works on fuel injection.
J**N
This ACDelco coolant sender works flawlessly and tells an accurate temperature on the gauge. This should not be mistaken with the coolant sensor which is on the too of the block. This sender is on the side of the engine block.
J**N
Pieza exacta para la GMC SIERRA K1500 5.7 1994
D**N
There’s nothing wrong with the sensor, and it does fit and plug in. But apparently GM used a different resistance in the 1994 Chevy trucks with a 4.3l V6. The sensor works, the gauge works. But it reads very low. Like 110-120° instead of the 190-200° that the water temp really is. Very annoying for me, but nothing inherently wrong with the sensor.
D**S
Producto de buena calidad, utilizado para un Camaro 1997.
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