How to Replace the Engine Coolant Temperature (ECT) Sensor on Ram 2500?

To replace the Engine Coolant Temperature (ECT) sensor, drain the cooling system. Then, disconnect the cable(s) from the negative battery terminal(s). Before installing the sensor, encase the threads with Teflon tape to stop leaks. For HEMI engines, remove the drive belt and unbolt the air conditioning compressor to access the ECT sensor. Encase the threads with Teflon sealing tape before installation. Finally, refill the cooling system.

Genuine Ram 2500 Coolant Temperature Sensor

Coolant Water Temperature Sensor

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4 Coolant Temperature Sensors found

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Ram 2500 Sensor-Temperature Sending Unit
Part Number: 5011852AB
$102.32 MSRP: $154.00
You Save: $51.68 (34%)
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Product Specifications
- Other Name: Sensor Temperature Sending Unit
- Replaces: 5011852AA, 5114413AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2011-2023 Ram 2500 | Big Horn Crew Cab 2WD, Big Horn Crew Cab 4WD, Big Horn Mega Cab 4WD, Big Horn Reg Cab 2WD, Big Horn Reg Cab 4WD, Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Limited Crew Cab 2WD, Limited Crew Cab 4WD, Limited Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Reg Cab 2WD, SLT Reg Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Reg Cab 2WD, ST Reg Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD, Tradesman Crew Cab 2WD, Tradesman Crew Cab 4WD, Tradesman Reg Cab 2WD, Tradesman Reg Cab 4WD | 6 Cyl 6.7 L DIESEL, 6 Cyl 6.7L Diesel, 8 Cyl 6.4 L GAS
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Ram 2500 Sensor-Fluid Temperature
Part Number: 5149077AB
$44.07 MSRP: $65.85
You Save: $21.78 (34%)
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Product Specifications
- Other Name: Sensor Fluid Temperature
- Replaces: 5149096AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2011-2023 Ram 2500 | Big Horn Crew Cab 2WD, Big Horn Crew Cab 4WD, Big Horn Mega Cab 4WD, Big Horn Reg Cab 2WD, Big Horn Reg Cab 4WD, Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Limited Crew Cab 2WD, Limited Crew Cab 4WD, Limited Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, Powerwagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Reg Cab 2WD, SLT Reg Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Reg Cab 2WD, ST Reg Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD, Tradesman Crew Cab 2WD, Tradesman Crew Cab 4WD, Tradesman Reg Cab 2WD, Tradesman Reg Cab 4WD | 6 Cyl 6.7 L DIESEL, 8 Cyl 5.7L, 8 Cyl 5.7L CNG, 8 Cyl 6.4 L GAS, 8 Cyl 6.4L
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Ram 2500 COOLANT Temperature
Part Number: 5149096AB
$44.07 MSRP: $65.85
You Save: $21.78 (34%)
ADD TO CART
Product Specifications
- Other Name: Sensor Coolant Temperature
- Replaced by: 5149077AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ram 2500 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, Powerwagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 8 Cyl 5.7L, 8 Cyl 6.4L
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Ram 2500 AIR TEMPERATURE
Part Number: 68580838AA
$58.41 MSRP: $86.05
You Save: $27.64 (33%)
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2021-2023 Ram 2500 | 6 Cyl 6.7 L DIESEL, 8 Cyl 6.4 L GAS

Ram 2500 Coolant Temperature Sensor

Coolant Temperature Sensor is one of the significant elements of Ram 2500 vehicles which helps in regulating the coolant temperature and providing the premier performance to the engine. This sensor is useful in measuring the temperature of the coolant all the time to ensure that the engine is not over-heating hence manually controlling the efficiency of the automobile engine. There could be a number of Coolant Temperature Sensors that have been used in varied 2500 models, belonging to different years, and each might be having a different design and operation criteria. It is, therefore, crucial to understand the role that this sensor plays to be able at the end of the day come up with the premier solution for the Ram 2500 vehicle.

Looking for affordable and high-quality auto parts? Then you have already arrived at the proper online shop. We offer all Ram 2500 Coolant Temperature Sensor at great affordable prices. Moreover, all genuine Ram 2500 Coolant Temperature Sensor come with a manufacturer's warranty. In the long run, you would realize you have saved a lot of trouble and money with OEM parts from here.

Ram 2500 Coolant Temperature Sensor Parts Questions & Experts Answers

COOLANT Temperature
5149096AB
Q: How to Replace the Engine Coolant Temperature (ECT) Sensor on Ram 2500?
A: To replace the Engine Coolant Temperature (ECT) sensor, drain the cooling system. Then, disconnect the cable(s) from the negative battery terminal(s). Before installing the sensor, encase the threads with Teflon tape to stop leaks. For HEMI engines, remove the drive belt and unbolt the air conditioning compressor to access the ECT sensor. Encase the threads with Teflon sealing tape before installation. Finally, refill the cooling system.