How to replace the Coolant Temperature Sensor on Chevrolet Silverado 3500?

Before changing the Engine Coolant Temperature (ECT) sensor start by draining the cooling system to a level below the ECT sensor. First disconnect the electrical connector of the ECT sensor then remove the ECT sensor. Before installing the new sensor verify that the replacement parts hold the correct part numbers for the application. Using the old sensor requires the threaded surface to receive GM P/N 12346004 (Canadian P/N 10953480) or an equivalent suspect as a sealant. Tighten the Installated ECT sensor to a torque specification of 20 N.m (15 lb ft). Connect the ECT sensor electrical connector along with refilling the cooling system. When working with the coolant sensor handle it with care since any damage will impact fuel control system functionality while strict torque recommendations must be followed to prevent any damage to components.

OEM Chevrolet Silverado 3500 Coolant Temperature Sensor

Coolant Water Temperature Sensor

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Chevrolet Silverado 3500 Coolant Temperature Sensor Part Number: 15326386
$24.96 MSRP: $46.88
You Save: $21.92 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Engine Coolant Temperature; Air Charge Temperature Sensor; Intake Air Temperature Sensor.; Temperature Sensor; Manifold Pressure Sensor; Oil Pressure Unit; Fan Switch; Other Sensors
- Replaces: 12146312, 25036979
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 Chevrolet Silverado 3500 | Base, LS, LT, WT | 8 Cyl 6.6 L DIESEL
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Chevrolet Silverado 3500 Coolant Temperature Sensor, Black Part Number: 12608814
$30.66 MSRP: $57.58
You Save: $26.92 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Engine Coolant Temperature *Ite Or Black; Engine Coolant Temperature Sensor; Temperature Sensor; Temperature Sending Unit; Coolant Temperature Sensor; Engine Oil Pressure/Temperature Sensor; Computer Control Sensors
- Replaces: 15369305, 25037062, 12191170, 15326388
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 Chevrolet Silverado 3500 | Base, LS, LT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 3500 Coolant Temperature Sensor Part Number: 12572027
$40.56 MSRP: $82.39
You Save: $41.83 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Temperature Sending Unit; Sensor, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Silverado 3500 | Base, LS, LT, WT | 8 Cyl 8.1 L GAS
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Chevrolet Silverado 3500 Coolant Temperature Sensor Part Number: 12554944
$205.54 MSRP: $417.47
You Save: $211.93 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Engine Coolant Temperature (W/ Engine Coolant T; Engine Coolant Temperature Sensor; Temperature Sending Unit; Sensor; Sensor, Coolant Temperature (Engine Unit); Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Silverado 3500 | Base, LS, LT | 8 Cyl 8.1 L GAS

Chevrolet Silverado 3500 Coolant Temperature Sensor

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Chevrolet Silverado 3500 Coolant Temperature Sensor Parts Questions & Experts Answers

Coolant Temperature Sensor, Black
12608814
Q: How to replace the Coolant Temperature Sensor on Chevrolet Silverado 3500?
A:
Before changing the Engine Coolant Temperature (ECT) sensor start by draining the cooling system to a level below the ECT sensor. First disconnect the electrical connector of the ECT sensor then remove the ECT sensor. Before installing the new sensor verify that the replacement parts hold the correct part numbers for the application. Using the old sensor requires the threaded surface to receive GM P/N 12346004 (Canadian P/N 10953480) or an equivalent suspect as a sealant. Tighten the Installated ECT sensor to a torque specification of 20 N.m (15 lb ft). Connect the ECT sensor electrical connector along with refilling the cooling system. When working with the coolant sensor handle it with care since any damage will impact fuel control system functionality while strict torque recommendations must be followed to prevent any damage to components.