How to service the PCV Valve on Buick LeSabre?

Service of the positive crankcase ventilation valve requires fuel injector sight shield and MAP Sensor removal before proceeding with the next steps. The 16 mm socket allows you to depress and turn the access cover 1/4 turn counterclockwise to extract it. Take out the PCV Valve combined with the o-ring from the Intake Manifold after completing this task. Return the PCV Valve together with the o-ring into the Intake Manifold before reinstalling the access cover . Then install the MAP Sensor and complete the repair with the fuel injector sight shield.

How to service and repair the PCV Valve on Buick Century?

A technician must disconnect three vacuum hoses from their respective valves. After this step, the PCV Valve can be removed easily. To install the new PCV Valve position it correctly before securing the vacuum hoses to the Fuel Pressure Regulator and PCV Valve simultaneously.

How to replace the PCV Valve on Buick Regal?

The replacement process for positive crankcase ventilation (PCV) valve begins with fuel injector sight shield removal followed by disconnecting the MAP Sensor electrical connector then removing the MAP Sensor. Position the access cover downwards using a 16 mm (5/8 inch) socket then rotate it counterclockwise 1/4 turn to eliminate it. You need to remove the PCV Valve together with its o-ring from the Intake Manifold. First step for installation is to add the new o-ring and the PCV Valve before putting on the access cover . The complete procedure includes reinstalling the MAP Sensor while reconnecting its electrical connector before putting back the fuel injector sight shield.

OEM Buick PCV Valve

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40 PCV Valves found

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Buick PCV Valve
Part Number: 12608378
$32.83 MSRP: $58.62
You Save: $25.79 (44%)
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Product Specifications
- Other Name: Valve, Evaporator Emission Canister Purge Solenoid; Purge Valve; Purge Solenoid; Purge Control Valve
- Replaced by: 12735400
Fits the following Buick Models:
- LaCrosse | 2006-2009 | CX, CXL | 6 Cyl 3.8 L GAS
- Lucerne | 2006-2011 | CX, CXL, CXL Special Edition, CXS, Super | 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS, 8 Cyl 4.6 L GAS
- Regal | 2011-2013 | CXL, GS, Premium | 4 Cyl 2.0 L FLEX
- Rendezvous | 2006-2007 | CX, CXL | 6 Cyl 3.5 L GAS
- Terraza | 2006-2007 | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
- Verano | 2013-2016 | Premium, Turbo | 4 Cyl 2.0 L GAS
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Buick PCV Valve
Part Number: 90573622
$18.33 MSRP: $28.73
You Save: $10.40 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve, Oil Flow Check; Valve, Engine Oil Pressure; Valve, Engine Crankcase
Fits the following Buick Models:
- Encore | 2013-2020 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick PCV Valve
Part Number: 25098542
$3.51 MSRP: $17.52
You Save: $14.01 (80%)
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Product Specifications
- Other Name: Valve, Engine Crankcase
Fits the following Buick Models:
- Roadmaster | 1992-1993 | Base, Estate Wagon, Limited | 8 Cyl 5.7 L GAS
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Buick PCV Valve
Part Number: 12721691
$6.08 MSRP: $10.86
You Save: $4.78 (45%)
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Product Specifications
- Other Name: Valve-PCV; Valve, Engine Crankcase; Seal, Engine Crankcase
- Replaces: 55509665, 55514392, 55486664
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick PCV Valve
Part Number: 19431592
$25.37 MSRP: $45.30
You Save: $19.93 (44%)
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Product Specifications
- Other Name: Valve Kit, PCV; Valve Kit, Engine Crankcase
- Replaces: 89017274, 17113515, 89017684
Fits the following Buick Models:
- LaCrosse | 2005-2009 | CX, CXL | 6 Cyl 3.8 L GAS
- LeSabre | 1996-1999 | Custom, Limited | 6 Cyl 3.8 L GAS
- Lucerne | 2006-2008 | CX, CXL | 6 Cyl 3.8 L GAS
- Park Avenue | 1997-2003 | Base, Ultra | 6 Cyl 3.8 L GAS
- Riviera | 1996-1997 | Base | 6 Cyl 3.8 L GAS
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Buick PCV Valve
Part Number: 12696101
$7.05 MSRP: $12.76
You Save: $5.71 (45%)
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Product Specifications
- Other Name: Valve, Engine Crankcase; Crankcase Vent Valve
- Replaced by: 12706638
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.3 L GAS
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Buick PCV Valve
Part Number: 12650731
$10.82 MSRP: $19.58
You Save: $8.76 (45%)
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Product Specifications
- Other Name: Orifice-PCV Valve; Orifice, Engine Crankcase
Fits the following Buick Models:
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick PCV Valve
Part Number: 55596783
$13.91 MSRP: $22.91
You Save: $9.00 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve, Engine Crankcase
Fits the following Buick Models:
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, Preferred, Preferred II | 4 Cyl 2.0 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick PCV Valve
Part Number: 6487534
Product Specifications
- Other Name: Valve, Crankcase Vent; Valve, Crankcase Ventilation System; Valve, Engine Crankcase
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 | 1984-1987 | Base, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
- 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 PCV Valve
Part Number: 25095468
Product Specifications
- Other Name: Valve, PCV; Valve, Engine Crankcase
Fits the following Buick Models:
- Regal | 1984-1985 | Grand National, T-Type | 6 Cyl 3.8 L GAS
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Buick PCV Valve
Part Number: 25097214
Product Specifications
- Other Name: Valve, PCV; Crankcase Vent Valve; Crankcase; Valve, Engine Crankcase
Fits the following Buick Models:
- Century | 1993-1996 | Custom, Limited, Special | 4 Cyl 2.2 L GAS
- Skyhawk | 1988 | Custom, SE | 4 Cyl 2.0 L GAS
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Buick PCV Valve
Part Number: 25043843
Product Specifications
- Other Name: Valve, PCV; Crankcase Vent Valve; Crankcase; Valve, Engine Crankcase
Fits the following Buick Models:
- Century | 1994-2005, 1987-1989 | Custom, Estate Wagon, Limited, Special, Special Edition | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.3 L GAS
- LeSabre | 2000-2005, 1992 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1991-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1988-2004 | 25th Anniversary Edition, Custom, Gran Sport, GS, GSE, Limited, LS, LSE, Olympic Gold Edition | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
- Rendezvous | 2002-2005 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS
- Riviera | 1995-1999, 1992-1993 | Base, Luxury | 6 Cyl 3.8 L GAS
- Skyhawk | 1987 | Custom, Limited, Sport, T-Type | 4 Cyl 2.0 L GAS
- Skylark | 1994-1998 | Custom, Gran Sport, Limited, Olympic Gold Edition | 6 Cyl 3.1 L GAS
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Buick PCV Valve
Part Number: 25095452
Product Specifications
- Other Name: Valve, PCV; Valve, Engine Crankcase
Fits the following Buick Models:
- Century | 1987-1992 | Custom, Estate Wagon, Limited, Special | 4 Cyl 2.5 L GAS
- Roadmaster | 1994-1996 | Base, Collector's Edition, Estate Wagon, Estate Wagon Collector's Edition, Limited, Limited Collector's Edition | 8 Cyl 5.7 L GAS
- Skylark | 1987-1991 | Base, Custom, Gran Sport, Limited, Luxury Edition | 4 Cyl 2.5 L GAS
- Somerset | 1987 | Custom, Limited | 4 Cyl 2.5 L GAS
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Buick PCV Valve
Part Number: 25042995
Product Specifications
- Other Name: Valve, Engine Crankcase
Fits the following Buick Models:
- Skyhawk | 1984-1987 | Custom, Limited, Sport, T-Type | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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Buick PCV Valve
Part Number: 25098058
Product Specifications
- Other Name: Valve, Engine Crankcase
Fits the following Buick Models:
- Century | 1990-1993 | Custom, Limited, Special | 6 Cyl 3.3 L GAS
- Electra | 1988-1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- LeSabre | 1989-1991 | Base, Custom, Limited | 6 Cyl 3.8 L GAS
- Reatta | 1988-1990 | Base | 6 Cyl 3.8 L GAS
- Riviera | 1988-1990 | Luxury, T-Type | 6 Cyl 3.8 L GAS
- Skylark | 1989-1993 | Base, Custom, Gran Sport, Limited, Luxury Edition | 6 Cyl 3.3 L GAS
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Buick Breather Element
Part Number: 25042065
Product Specifications
- Other Name: Breather, Air Cleaner; Breather, Air Cleaner Intake
Fits the following Buick Models:
- Electra | 1985 | Limited, Park Avenue, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
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Buick PCV Valve
Part Number: 8997683
Product Specifications
- Other Name: Valve, PCV; Valve, Engine Crankcase
Fits the following Buick Models:
- Electra | 1989, 1984-1987 | Estate Wagon, Limited, Park Avenue | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- LeSabre | 1984-1990 | Collector's Edition, Custom, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- Regal | 1986-1987 | Base, Limited | 8 Cyl 5.0 L GAS
- 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 PCV Valve
Part Number: 17113138
Product Specifications
- Other Name: Valve Kit, Engine Crankcase
Fits the following Buick Models:
- LeSabre | 1995 | Custom, Limited | 6 Cyl 3.8 L GAS
- Riviera | 1995 | Base | 6 Cyl 3.8 L GAS
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Buick PCV Valve
Part Number: 17113046
Product Specifications
- Other Name: Valve Kit, Engine Crankcase
Fits the following Buick Models:
- LeSabre | 1993-1994 | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick PCV Valve
Part Number: 25041678
Product Specifications
- Other Name: Valve, Crankcase; Valve, Engine Crankcase
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 PCV Valve Parts Questions & Experts Answers

PCV Valve
25043843
Q: How to service the PCV Valve on Buick LeSabre?
A: Service of the positive crankcase ventilation valve requires fuel injector sight shield and MAP Sensor removal before proceeding with the next steps. The 16 mm socket allows you to depress and turn the access cover 1/4 turn counterclockwise to extract it. Take out the PCV Valve combined with the o-ring from the Intake Manifold after completing this task. Return the PCV Valve together with the o-ring into the Intake Manifold before reinstalling the access cover . Then install the MAP Sensor and complete the repair with the fuel injector sight shield.
PCV Valve
25043843
Q: How to service and repair the PCV Valve on Buick Century?
A: A technician must disconnect three vacuum hoses from their respective valves. After this step, the PCV Valve can be removed easily. To install the new PCV Valve position it correctly before securing the vacuum hoses to the Fuel Pressure Regulator and PCV Valve simultaneously.
PCV Valve
25043843
Q: How to replace the PCV Valve on Buick Regal?
A: The replacement process for positive crankcase ventilation (PCV) valve begins with fuel injector sight shield removal followed by disconnecting the MAP Sensor electrical connector then removing the MAP Sensor. Position the access cover downwards using a 16 mm (5/8 inch) socket then rotate it counterclockwise 1/4 turn to eliminate it. You need to remove the PCV Valve together with its o-ring from the Intake Manifold. First step for installation is to add the new o-ring and the PCV Valve before putting on the access cover . The complete procedure includes reinstalling the MAP Sensor while reconnecting its electrical connector before putting back the fuel injector sight shield.