How to replace the engine oil pressure switch on GMC Sierra 3500?

To replace the Engine Oil Pressure Sensor or Switch, take out the engine sight shield. Disconnect the oil pressure sensor electrical connector and use the Oil Pressure Sensor Socket (J 41712) to pull off the oil pressure sensor. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) to the new oil pressure sensor's threads, then install it with the help of the Oil Pressure Sensor Socket (J 41712) tightening the sensor to 30 into Nm (22 ft. lbs.). Reconnect oil pressure sensor electrical connector and replace the engine sight shield.

OEM GMC Sierra 3500 Oil Pressure Switch

Oil Pressure Sender Switch

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6 Oil Pressure Switches found

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GMC Sierra 3500 Oil Pressure Sending Unit
Part Number: 12562571
$69.59 MSRP: $109.00
You Save: $39.41 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Fuel Pump Pressure; Oil Pressure Switch; Sensor, Engine Oil Pressure/Temperature
- Replaces: 12562266, 10240133
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 GMC Sierra 3500 | Base, SL, SLE, SLT | 8 Cyl 8.1 L GAS
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GMC Sierra 3500 Oil Pressure Sending Unit
Part Number: 97600434
$72.00 MSRP: $112.79
You Save: $40.79 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly, Engine Oil Pressure; Engine Oil Pressure Switch
- Replaced by: 98027456
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Sierra 3500 Oil Pressure Sending Unit
Part Number: 97225635
$44.06 MSRP: $69.02
You Save: $24.96 (37%)
Product Specifications
- Other Name: Sensor, Engine Oil Pressure/Temperature; Oil Pressure Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 GMC Sierra 3500 | Base, SL, SLE, SLT | 8 Cyl 6.6 L DIESEL
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GMC Sierra 3500 Oil Pressure Sending Unit
Part Number: 19244505
$103.52 MSRP: $162.15
You Save: $58.63 (37%)
Product Specifications
- Other Name: Sensor, Engine Oil Pressure/Temperature; Oil Pressure Switch
- Replaces: 12562267
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 GMC Sierra 3500 | Base, SL, SLE, SLT | 8 Cyl 6.0 L GAS
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GMC Sierra 3500 Oil Pressure Sensor
Part Number: 12677836
$57.02 MSRP: $89.32
You Save: $32.30 (37%)
Product Specifications
- Other Name: Sensor Assembly-Engine Oil Pressure; Engine Oil Pressure Switch; Oil Pressure Switch; Oil Pressure Sending Unit; Sensor, Engine Oil Pressure/Temperature
- Replaces: 12562230, 12614969, 12559780, 12556117, 12573107, 12616646
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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GMC Sierra 3500 Oil Pressure Sending Unit
Part Number: 12677839
$62.96 MSRP: $112.42
You Save: $49.46 (44%)
Product Specifications
- Other Name: Sensor Assembly-Engine Oil Pressure; Oil Pressure Switch; Sensor, Engine Oil Pressure/Temperature
- Replaces: 12563500, 12574403
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS

GMC Sierra 3500 Oil Pressure Switch

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GMC Sierra 3500 Oil Pressure Switch Parts Questions & Experts Answers

Oil Pressure Sending Unit
12677839
Q: How to replace the engine oil pressure switch on GMC Sierra 3500?
A: To replace the Engine Oil Pressure Sensor or Switch, take out the engine sight shield. Disconnect the oil pressure sensor electrical connector and use the Oil Pressure Sensor Socket (J 41712) to pull off the oil pressure sensor. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) to the new oil pressure sensor's threads, then install it with the help of the Oil Pressure Sensor Socket (J 41712) tightening the sensor to 30 into Nm (22 ft. lbs.). Reconnect oil pressure sensor electrical connector and replace the engine sight shield.