How to Replace the Engine Coolant Temperature (ECT) Sensor on Ram 3500?

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 3500 Coolant Temperature Sensor

Coolant Water Temperature Sensor

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5 Coolant Temperature Sensors found

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Ram 3500 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 3500 | 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, Crew Cab Chassis 2WD, Crew Cab Chassis 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, Reg Cab Chassis 2WD, Reg Cab Chassis 4WD, Regular Cab Chassis 2WD, Regular Cab Chassis 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 3500 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 3500 | 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, Crew Cab Chassis 2WD, Crew Cab Chassis 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, Reg Cab Chassis 2WD, Reg Cab Chassis 4WD, Regular Cab Chassis 2WD, Regular Cab Chassis 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 6.4 L GAS, 8 Cyl 6.4L
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Ram 3500 COOLANT Temperature
Part Number: 5149096AB
$44.07 MSRP: $65.85
You Save: $21.78 (34%)
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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 3500 | Crew Cab Chassis 2WD, Crew Cab Chassis 4WD, 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, Regular Cab Chassis 2WD, Regular Cab Chassis 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 3500 Piston-EGR Temperature
Part Number: 68444792AA
$246.43 MSRP: $369.00
You Save: $122.57 (34%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2019-2020 Ram 3500 | Crew Cab Chassis 2WD, Crew Cab Chassis 4WD, Reg Cab Chassis 2WD, Reg Cab Chassis 4WD | 6 Cyl 6.7L Diesel
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Ram 3500 AIR TEMPERATURE
Part Number: 68580838AA
$58.41 MSRP: $86.05
You Save: $27.64 (33%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2021-2023 Ram 3500 | 6 Cyl 6.7 L DIESEL, 8 Cyl 6.4 L GAS

Ram 3500 Coolant Temperature Sensor

The Coolant Temperature Sensor implicated in Ram 3500 vehicles is responsible for the measurement of engine coolant temperature to maintain the engine at right conditions it require. The Coolant Temperature Sensor plays an important role in making sure that the coolant temperature is regulated causing an increase in the efficiency and performance of the engine. There has always been several generations of Coolant Temperature Sensors used in Ram 3500 years, although all serve the same precedent obligation, but may differ in design or technology. These differences may impact on the manner the sensor relays temperatures to the engine control unit hence affecting the performance of the car. The Coolant Temperature Sensor is very important in the Ram 3500 since it influences the health and lifespan of the engine on the vehicle.

Looking for affordable and high-quality auto parts? Then you have already arrived at the proper online shop. We offer all Ram 3500 Coolant Temperature Sensor at great affordable prices. Moreover, all genuine Ram 3500 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 3500 Coolant Temperature Sensor Parts Questions & Experts Answers

Sensor-Fluid Temperature
5149077AB
Q: How to Replace the Engine Coolant Temperature (ECT) Sensor on Ram 3500?
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.