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.

How to replace the Oil Pressure Switch on Buick Enclave?

If ensuring that the oil pressure sensor or switch needs to be replaced, one must turn OFF the ignition and disconnect the oil pressure sensor electrical connector first. Next, pull out the oil pressure sensor. For Installation, install oil pressure sensor and secure it at 20 N.m (15 lb ft). Finally, be sure to connect the oil pressure sensor electronic connector.

OEM Buick Oil Pressure Switch

Oil Pressure Sender Switch

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41 Oil Pressure Switches found

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Buick Pressure Switch Part Number: 12674782
$19.94 MSRP: $49.28
You Save: $29.34 (60%)
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Product Specifications
- Other Name: Sensor Assembly-Engine Oil Pressure; Pressure Sensor/Switch
- Replaces: 12621649, 12621659, 12570798
Fits the following Buick Models:
- LaCrosse | 2005-2007 | CXS | 6 Cyl 3.6 L GAS
- Rendezvous | 2004-2005 | CXL, CXL Plus, Ultra | 6 Cyl 3.6 L GAS
- Terraza | 2006-2007 | CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Pressure Switch Part Number: 12575008
$36.06 MSRP: $62.92
You Save: $26.86 (43%)
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
- Replaced by: 19436257
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 Oil Pressure Sensor Part Number: 12677836
$45.08 MSRP: $78.65
You Save: $33.57 (43%)
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Product Specifications
- Other Name: Sensor Assembly-Engine Oil Pressure; Engine Oil Pressure Switch; Oil Pressure Switch
- Replaces: 12556117, 12559780, 12562230, 12573107, 12616646, 12614969
Fits the following Buick Models:
- LaCrosse | 2008 | Super | 8 Cyl 5.3 L GAS
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Pressure Switch Part Number: 12635957
$46.12 MSRP: $84.29
You Save: $38.17 (46%)
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Product Specifications
- Other Name: Switch, Engine Oil Pressure/Temperature; Oil Pressure Gauge Switch; Sensor; Switch; Pressure Sensor; Oil Pressure Sending Unit; Switch
- Replaced by: 19436253
Fits the following Buick Models:
- Enclave | 2008-2017 | Base, CX, CXL, Convenience, Leather, Premium | 6 Cyl 3.6 L GAS
- LaCrosse | 2010-2016, 2008 | Base, CX, CXL, CXS, Convenience, Leather, Premium, Sport Touring, Touring | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Rainier | 2004 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Oil Pressure Sensor Part Number: 12673134
$52.64 MSRP: $91.86
You Save: $39.22 (43%)
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Product Specifications
- Other Name: Sensor Assembly-Engine Oil Pressure; Engine Oil Pressure Switch; Oil Pressure Switch
- Replaces: 12621234, 12596951
Fits the following Buick Models:
- LaCrosse | 2018-2019, 2009 | Avenir, Essence, Preferred, Premium, Sport Touring, Super | 6 Cyl 3.6 L GAS, 8 Cyl 5.3 L GAS
- Regal Sportback | 2018-2019 | GS | 6 Cyl 3.6 L GAS
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Buick Oil Pressure Sensor Part Number: 19244501
$56.57 MSRP: $98.72
You Save: $42.15 (43%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Fuel Pump & Engine Oil Pressure Indicator; Oil Pressure Switch
- Replaces: 10243574, 12555492
Fits the following Buick Models:
- Regal | 1992-1994 | Custom, Limited | 6 Cyl 3.1 L GAS
- Skylark | 1994-1995 | Custom, Gran Sport, Limited | 6 Cyl 3.1 L GAS
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Buick Oil Pressure Sending Unit Part Number: 12562571
$64.03 MSRP: $111.72
You Save: $47.69 (43%)
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Product Specifications
- Other Name: Sensor, Fuel Pump Pressure; Oil Pressure Switch; Sensor, Engine Oil Pressure/Temperature
- Replaces: 10240133, 12562266
Fits the following Buick Models:
- Skyhawk | 1987 | Custom, Limited, Sport, T-Type | 4 Cyl 2.0 L GAS
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Buick Pressure Switch Part Number: 55581588
$15.87 MSRP: $26.14
You Save: $10.27 (40%)
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Product Specifications
- Other Name: Switch Assembly-Engine Oil Pressure Indicator; Oil Pressure Sensor; Oil Pressure Switch
- 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 Sensor Part Number: 55488247
$21.28 MSRP: $35.05
You Save: $13.77 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Engine Oil Pressure; Pressure Sensor; Oil Switch; Oil Level Sensor; Dipstick
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
- Encore | 2016-2019 | Essence, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
- Encore GX | 2020-2025 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.2 L FLEX, 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
- Envision | 2021-2025 | Avenir, Essence, Preferred, Sport Touring | 4 Cyl 2.0 L GAS
- Envista | 2024-2025 | Avenir, Preferred, Sport Touring | 3 Cyl 1.2 L FLEX, 3 Cyl 1.2 L GAS
- LaCrosse | 2017 | Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Pressure Switch Part Number: 12635958
$31.91 MSRP: $52.56
You Save: $20.65 (40%)
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
- 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: 12635954
$31.91 MSRP: $52.56
You Save: $20.65 (40%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Switch Assembly-Engine Oil Pressure Indicator; Oil Pressure Sensor; Oil Pressure Switch
- Replaced by: 19436252
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, Green Line Part Number: 12635992
$18.82 MSRP: $29.88
You Save: $11.06 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Engine Oil Pressure/Temperature; Oil Pressure Sensor; Oil Pressure Switch; Oil Pressure Sending Unit
- Replaced by: 19436255
Fits the following Buick Models:
- LaCrosse | 2010-2016 | Base, CX, CXL, Convenience, Leather, Premium | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Regal | 2011-2017 | Base, CXL, GS, Premium, Sport Touring | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Verano | 2012-2017 | Base, Convenience, Leather, Premium, Sport Touring, Turbo | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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Buick Oil Pressure Sending Unit Part Number: 12677837
$57.71 MSRP: $103.06
You Save: $45.35 (44%)
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 Oil Pressure Sensor Part Number: 19244519
$23.32 MSRP: $41.64
You Save: $18.32 (44%)
Product Specifications
- Other Name: Sensor, Fuel Pump Pressure; Oil Pressure Switch
- Replaces: 25627057, 25605389
Fits the following Buick Models:
- LeSabre | 1992-1999 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1992-1996 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1992-1994 | Custom, Gran Sport, Limited | 6 Cyl 3.8 L GAS
- Riviera | 1992-1993 | Luxury | 6 Cyl 3.8 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
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
- 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 Sensor Part Number: 19244497
Product Specifications
- Other Name: Sensor, Fuel Pump Pressure; Oil Pressure Switch
- 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: 10045775
Product Specifications
- Other Name: Sensor, Engine Oil Pressure/Temperature; Oil Pressure Switch
- 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 Switch

Choose OEM Oil Pressure Switch, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Oil Pressure Switch. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Oil Pressure Switch helps to remind drivers about the lack of lubricant pressure that may cause a sudden engine damage. Buick dates back to 1903 and continues to perfect the comfort with soothing cabins, smooth ride, and technology that is, in fact, important. Since the beginning of touring cars, through to the present-day slick crossovers, the badge DNA bragged about can be relaxed steering, cushioned seats and styling that remains non-obtrusive without overblown tricks. The Wildcat EV concept demonstrates that the company is going all electric without abandoning its hush and ride finish that grandparents and teenagers love. Road trip rides are not as exhausting, as the wind noise remains low and the seats do not hurt the backs even hours after. Highway stretches are easy with their long miles. Oil Pressure Switch is threaded into the engine block with its small diaphragm and spring responding immediately to the flow of oil and switching an internal contact each time the pressure is out of the safe band desired by the drivers. This Oil Pressure Switch operates a dash light or digital alert, providing anyone behind the wheel with a signal that you need to pull over before the crankshaft is drained out. Since it operates on a basic mechanical trigger, the reliability remains high across sedan-based, crossover-based, and future electrified hybrid vehicles that still feature oil fed-drivetrains. Buick drivers receive rapid warnings without searching through menus and scanners.

Buick Oil Pressure Switch Parts and Q&A

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.
Pressure Switch
12635957
Q: How to replace the Oil Pressure Switch on Buick Enclave?
A:
If ensuring that the oil pressure sensor or switch needs to be replaced, one must turn OFF the ignition and disconnect the oil pressure sensor electrical connector first. Next, pull out the oil pressure sensor. For Installation, install oil pressure sensor and secure it at 20 N.m (15 lb ft). Finally, be sure to connect the oil pressure sensor electronic connector.