How to replace the engine oil pressure switch on Buick LaCrosse?

You should begin the Engine Oil Pressure Sensor or Switch replacement process by turning off the ignition and severing the oil pressure sensor electrical connection. Detach the oil pressure sensor from its position next. Before installing the oil pressure sensor you should read the Fastener Notice in Service Precautions and perform the installation while tightening the sensor to 20 Nm (15 ft. lbs.). Connect the oil pressure sensor electrical connector as the last step.

How to service the Oil Pressure Switch on Buick LeSabre?

The service procedure for the oil pressure switch starts with lifting and supporting the automobile. Begin by disconnecting the electrical connector from the oil pressure sender before you can remove the sender. During installation follow these instructions for the oil pressure sender installation: screw it in and tighten it to 10 N.m (89 lb in). Connect the electrical connector to the oil pressure sender afterward lowering the vehicle.

How to replace the engine oil pressure switch on Buick Regal?

In order to replace the engine Oil Pressure Switch, disconnect the negative Battery Cable and elevate the vehicle securely. Next, remove the electrical connector from the engine Oil Pressure Switch and remove the latter. For installation, install the engine Oil Pressure Switch and tighten the engine Oil Pressure Switch-3.1l and 3.8l to 16 n.m (12 lb ft). Next, connect the electrical connector of the engine Oil Pressure Switch again, drop the vehicle, and connect the negative Battery Cable at last.

OEM Buick Oil Pressure Switch

Oil Pressure Sender Switch

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40 Oil Pressure Switches found

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Buick Oil Pressure Sending Unit
Part Number: 12677837
$54.88 MSRP: $103.06
You Save: $48.18 (47%)
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Product Specifications
- Other Name: Sensor Assembly-Engine Oil Pressure; Oil Pressure Switch; Sensor, Engine Oil Pressure/Temperature
- Replaces: 12584940
Fits the following Buick Models:
- LeSabre | 2004-2005 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 2004-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Pressure Switch
Part Number: 12635954
$30.52 MSRP: $50.28
You Save: $19.76 (40%)
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Product Specifications
- Other Name: Switch Assembly-Engine Oil Pressure Indicator; Oil Pressure Sensor; Oil Pressure Switch; Oil Pressure Sending Unit; Switch; Switch, Engine Oil Pressure/Temperature
- Replaced by: 19436252
- Replaces: 12575007, 25036853
Fits the following Buick Models:
- Century | 1997-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- Rendezvous | 2002-2007 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS, 6 Cyl 3.5 L GAS
- Skylark | 1997-1998 | Custom, Gran Sport, Limited | 4 Cyl 2.4 L GAS, 6 Cyl 3.1 L GAS
- Terraza | 2005-2006 | CX, CXL | 6 Cyl 3.5 L GAS
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Buick Pressure Switch
Part Number: 12575008
$36.53 MSRP: $60.18
You Save: $23.65 (40%)
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Product Specifications
- Other Name: Switch Assembly-Engine Oil Pressure Indicator; Engine Oil Pressure Switch; Oil Pressure Sensor; Oil Pressure Switch; Oil Pressure Sending Unit; Switch; Switch, Engine Oil Pressure/Temperature
- Replaced by: 19436257
- Replaces: 24505975
Fits the following Buick Models:
- LaCrosse | 2005-2009 | CX, CXL | 6 Cyl 3.8 L GAS
- Lucerne | 2006-2008 | CX, CXL | 6 Cyl 3.8 L GAS
- Regal | 1997-2004 | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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Buick Pressure Switch
Part Number: 12635958
$31.67 MSRP: $50.28
You Save: $18.61 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly-Engine Oil Pressure Indicator; Engine Oil Pressure Switch; Oil Pressure Sensor; Oil Pressure Switch; Pressure Sensor; Oil Pressure Sending Unit; Sensor; Switch, Engine Oil Pressure/Temperature
- Replaced by: 19436254
Fits the following Buick Models:
- Lucerne | 2006-2011 | CXL, CXS, Super | 8 Cyl 4.6 L GAS
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Buick Pressure Switch
Part Number: 55581588
$13.87 MSRP: $26.03
You Save: $12.16 (47%)
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Product Specifications
- Other Name: Switch Assembly-Engine Oil Pressure Indicator; Oil Pressure Sensor; Oil Pressure Switch; Oil Pressure Sending Unit; Switch, Engine Oil Pressure/Temperature
- Replaces: 93190643, 96802844
Fits the following Buick Models:
- Encore | 2013-2021 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Oil Pressure Switch
Part Number: 19244518
$20.35 MSRP: $38.22
You Save: $17.87 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Fuel Pump & Engine Oil Pressure Indicator; Oil Pressure Sensor; Oil Pressure Sending Unit; Switch, Engine Oil Pressure/Temperature
- Replaces: 25535479
Fits the following Buick Models:
- Century | 1992-1993 | Custom, Limited, Special | 6 Cyl 3.3 L GAS
- Electra | 1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- LeSabre | 1992-1994 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1991-1996 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1990-1996 | Custom, Gran Sport, Limited, Olympic Gold Edition | 6 Cyl 3.8 L GAS
- Riviera | 1995-1999 | Base | 6 Cyl 3.8 L GAS
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Buick Oil Pressure Sending Unit
Part Number: 12677838
$55.91 MSRP: $109.45
You Save: $53.54 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Engine Oil Pressure; Oil Pressure Switch; Sensor, Engine Oil Pressure/Temperature
- Replaces: 12574309, 12569322
Fits the following Buick Models:
- LeSabre | 2000-2003 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1997-2003 | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Oil Pressure Switch
Part Number: 19244517
$29.55 MSRP: $48.68
You Save: $19.13 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Fuel Pump & Engine Oil Pressure Indicator; Oil Pressure Sensor; Oil Pressure Sending Unit; Switch; Switch, Engine Oil Pressure/Temperature; Switch, Fuel Pump Pressure
- Replaces: 25037044, 25037205
Fits the following Buick Models:
- Century | 1989-1996 | Custom, Estate Wagon, Limited, Special | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.3 L GAS
- Electra | 1987-1989 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- LeSabre | 1987 | Base, Custom, Limited, T-Type | 6 Cyl 3.8 L GAS
- Regal | 1991-1996 | Custom, Limited | 6 Cyl 3.1 L GAS
- Riviera | 1986 | Luxury, T-Type | 6 Cyl 3.8 L GAS
- Roadmaster | 1991-1993 | Base, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- Skyhawk | 1988-1989 | Custom, SE | 4 Cyl 2.0 L GAS
- Skylark | 1987-1996 | Base, Custom, Gran Sport, Limited, Luxury Edition, Olympic Gold Edition | 4 Cyl 2.3 L GAS, 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.3 L GAS
- Somerset | 1987 | Custom, Limited | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
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Buick Pressure Sensor
Part Number: 12718935
$13.88 MSRP: $24.78
You Save: $10.90 (44%)
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Product Specifications
- Other Name: Sensor Assembly-Crankcase Pressure
- Replaced by: 12740187
- Replaces: 55509813
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Oil Pressure Sensor
Part Number: 19244497
Product Specifications
- Other Name: Sensor, Fuel Pump Pressure; Oil Pressure Switch; Oil Pressure Sending Unit; Sensor, Engine Oil Pressure/Temperature
- Replaces: 10201491
Fits the following Buick Models:
- Roadmaster | 1994-1996 | Base, Estate Wagon, Estate Wagon Collector's Edition, Limited | 8 Cyl 5.7 L GAS
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Buick Oil Pressure Sending Unit
Part Number: 19244933
$38.52 MSRP: $60.34
You Save: $21.82 (37%)
Product Specifications
- Other Name: Sensor, Engine Oil Pressure/Temperature; Oil Pressure Switch; Sender, Engine Oil Pressure/Temperature
- Replaces: 14036243
Fits the following Buick Models:
- Riviera | 1984-1985 | Base, Luxury, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick Oil Pressure Switch
Part Number: 25037045
Product Specifications
- Other Name: Switch; Oil Pressure Sensor; Oil Pressure Sending Unit; Switch, Engine Oil Pressure/Temperature; Switch, Fuel Pump Pressure
Fits the following Buick Models:
- Century | 1988 | Custom, Estate Wagon, Limited | 6 Cyl 2.8 L GAS
- Regal | 1988 | Custom, Limited | 6 Cyl 2.8 L GAS
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Buick Oil Pressure Switch
Part Number: 19244515
Product Specifications
- Other Name: Switch Assembly, Fuel Pump & Engine Oil Pressure Indicator; Oil Pressure Sensor; Oil Pressure Sending Unit; Switch, Engine Oil Pressure/Temperature; Switch, Fuel Pump Pressure
- Replaces: 25036940
Fits the following Buick Models:
- Century | 1989 | Custom, Limited | 6 Cyl 2.8 L GAS
- Regal | 1989-1991 | Custom, Gran Sport, Limited | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS
- Roadmaster | 1994-1996 | Base, Estate Wagon, Estate Wagon Collector's Edition, Limited | 8 Cyl 5.7 L GAS
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Buick Oil Pressure Sending Unit
Part Number: 25036555
Product Specifications
- Other Name: Switch; Oil Pressure Switch; Switch, Engine Oil Pressure/Temperature
Fits the following Buick Models:
- Electra | 1984 | Limited, Park Avenue | 6 Cyl 4.1 L GAS
- LeSabre | 1984-1985 | Collector's Edition, Custom, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
- Regal | 1984-1985 | Base, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L DIESEL
- Riviera | 1984-1985 | Base, Luxury, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick Oil Pressure Sending Unit
Part Number: 10045775
Product Specifications
- Other Name: Sensor, Engine Oil Pressure/Temperature; Oil Pressure Switch; Switch, Engine Oil Pressure/Temperature; Sensor, Fuel Pump Pressure
- Replaced by: 19244934
Fits the following Buick Models:
- Century | 1986-1990 | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
- Electra | 1986 | Limited, Park Avenue, T-Type | 6 Cyl 3.8 L GAS
- LeSabre | 1986-1987 | Base, Custom, Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
- Skyhawk | 1984-1986 | Custom, Limited, Sport, T-Type | 4 Cyl 1.8 L GAS
- Skylark | 1984-1986 | Custom, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS
- Somerset | 1986 | Custom, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- Somerset Regal | 1985 | Base, Limited | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
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Buick Oil Pressure Sensor
Part Number: 19244498
Product Specifications
- Other Name: Sensor, Fuel Pump Pressure; Oil Pressure Switch; Oil Pressure Sending Unit; Sensor, Engine Oil Pressure/Temperature
- Replaces: 10222130
Fits the following Buick Models:
- Roadmaster | 1991-1993 | Base, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Buick Oil Pressure Switch
Part Number: 25036455
Product Specifications
- Other Name: Switch Assembly, Fuel Pump & Engine Oil Pressure Indicator; Oil Pressure Sensor
Fits the following Buick Models:
- Skyhawk | 1984-1986 | Custom, Limited, Sport, T-Type | 4 Cyl 1.8 L GAS
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Buick Oil Pressure Switch
Part Number: 19244513
Product Specifications
- Other Name: Switch Assembly, Engine Oil Pressure Indicator; Oil Pressure Sensor; Oil Pressure Sending Unit; Switch, Engine Oil Pressure/Temperature
- Replaces: 25036935
Fits the following Buick Models:
- Regal | 1988 | Custom, Limited | 6 Cyl 2.8 L GAS
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Buick Oil Pressure Switch
Part Number: 19244516
Product Specifications
- Other Name: Switch Assembly, Engine Oil Pressure Indicator; Oil Pressure Sensor; Oil Pressure Sending Unit; Switch, Engine Oil Pressure/Temperature
- Replaces: 25036941
Fits the following Buick Models:
- Skyhawk | 1988 | Custom, SE | 4 Cyl 2.0 L GAS
- Skylark | 1989, 1987 | Custom, Limited | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
- Somerset | 1987 | Custom, Limited | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
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Buick Oil Pressure Switch
Part Number: 14014599
Product Specifications
- Other Name: Switch; Oil Pressure Sensor; Oil Pressure Sending Unit; Switch, Engine Oil Pressure/Temperature
Fits the following Buick Models:
- Skylark | 1984-1985 | Custom, Limited, T-Type | 6 Cyl 2.8 L GAS

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Buick Oil Pressure Switch Parts Questions & Experts Answers

Pressure Switch
12674782
Q: How to replace the engine oil pressure switch on Buick LaCrosse?
A: You should begin the Engine Oil Pressure Sensor or Switch replacement process by turning off the ignition and severing the oil pressure sensor electrical connection. Detach the oil pressure sensor from its position next. Before installing the oil pressure sensor you should read the Fastener Notice in Service Precautions and perform the installation while tightening the sensor to 20 Nm (15 ft. lbs.). Connect the oil pressure sensor electrical connector as the last step.
Oil Pressure Sending Unit
12677838
Q: How to service the Oil Pressure Switch on Buick LeSabre?
A: The service procedure for the oil pressure switch starts with lifting and supporting the automobile. Begin by disconnecting the electrical connector from the oil pressure sender before you can remove the sender. During installation follow these instructions for the oil pressure sender installation: screw it in and tighten it to 10 N.m (89 lb in). Connect the electrical connector to the oil pressure sender afterward lowering the vehicle.
Pressure Switch
12575008
Q: How to replace the engine oil pressure switch on Buick Regal?
A: In order to replace the engine Oil Pressure Switch, disconnect the negative Battery Cable and elevate the vehicle securely. Next, remove the electrical connector from the engine Oil Pressure Switch and remove the latter. For installation, install the engine Oil Pressure Switch and tighten the engine Oil Pressure Switch-3.1l and 3.8l to 16 n.m (12 lb ft). Next, connect the electrical connector of the engine Oil Pressure Switch again, drop the vehicle, and connect the negative Battery Cable at last.