How to handle the ECT sensor with caution on Kia Optima?

Handle the ECT sensor with care. Damage to the ECT sensor will affect the operation of the entire fuel injection system. Note: The ECT sensor is located at the left (driver's) end of the engine, on or near the thermostat housing. Disconnect the cable from the negative battery terminal. Partially drain the cooling system. Disconnect the electrical connector from the ECT sensor. Unscrew the ECT sensor from the coolant passage. Don't seal the threads of the new ECT sensor with Teflon tape, as this will interfere with the grounding of the sensor. Apply a small amount of liquid sealer to the threads before installation. Installation is the reverse of removal. Be sure to tighten the ECT sensor securely. Refill the cooling system.

Genuine Kia Optima Coolant Temperature Sensor

Coolant Water Temperature Sensor

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5 Coolant Temperature Sensors found

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Kia Optima Sensor Assembly-Water Temperature
Part Number: 3922038020
$21.48 MSRP: $29.10
You Save: $7.62 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor & G/Unit-Water Temperature
- Replaced by: 3922038030
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.5L, 2.7L | 4 Door Sedan
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Kia Optima Sensor Assembly-COOLANT
Part Number: 3922038030
$20.69 MSRP: $29.10
You Save: $8.41 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor & G/Unit-Water Temperature
- Replaces: 3923026700, 3922038020
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2016-2020 Kia Optima | 1.6L - GAMMA | Sedan - 4Door 5P
- 2000-2010 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta FF, 2.5L, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P
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Kia Optima Sensor Assembly-Water Temperature
Part Number: 3922038010
$32.77 MSRP: $46.48
You Save: $13.71 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor & G/Unit-Water Temperature
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2008-2020 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Sensor Assembly-Water Temperature
Part Number: 392203E200
$25.67 MSRP: $34.78
You Save: $9.11 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Extension Wire-Oil Temperature Sensor
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2010 Kia Optima | 2.7L - MU | Sedan - 4Door 5P
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Kia Optima Sensor-Heater Water Temperature
Part Number: 9722938000
$53.46 MSRP: $75.85
You Save: $22.39 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor-Water Temperature; Temperature Sensor
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan

Kia Optima Coolant Temperature Sensor

Coolant Temperature Sensor is one of the important components of Kia Optima cars; its main function lies on the monitoring of the coolant temperature of the car's engine. This kind of sensor assist in controlling the efficiency and performance of the engine by providing information of the coolant's temperature. Years of production experience have also seen the use of different kinds of Coolant Temperature Sensors with different models of Optima so as to serve the same main responsibility although with a potential difference in design or technology. Of these variations it means that the mentioned features can be sensitive or have their response time altered hence the way they report on temperature to the engine control unit can be compromised. In conclusion, it can be said that the Coolant Temperature Sensor is an essential component on the car and helps to protect it from wearing out quickly.

If you're in search of top-notch, reasonably priced OEM Kia Optima Coolant Temperature Sensor, then you've found the perfect spot. Our website boasts an extensive inventory of Kia Optima Coolant Temperature Sensor, all priced at the market's premier price. Rest assured, every genuine part we offer comes with a warranty straight from the manufacturer.

Kia Optima Coolant Temperature Sensor Parts Questions & Experts Answers

Sensor Assembly-Water Temperature
3922038010
Q: How to handle the ECT sensor with caution on Kia Optima?
A: Handle the ECT sensor with care. Damage to the ECT sensor will affect the operation of the entire fuel injection system. Note: The ECT sensor is located at the left (driver's) end of the engine, on or near the thermostat housing. Disconnect the cable from the negative battery terminal. Partially drain the cooling system. Disconnect the electrical connector from the ECT sensor. Unscrew the ECT sensor from the coolant passage. Don't seal the threads of the new ECT sensor with Teflon tape, as this will interfere with the grounding of the sensor. Apply a small amount of liquid sealer to the threads before installation. Installation is the reverse of removal. Be sure to tighten the ECT sensor securely. Refill the cooling system.