How to replace the PCV valve on Buick Regal?

Replace the PCV valve every 30,000 miles (48,000 km). The breather filter, located in the air cleaner on equipped models, is replaced when the air cleaner element is replaced. For V6 engines, the PCV valve is located in the right-hand valve cover on 1975-80 models. On 1981-87 models, the PCV valve is located in the rear of the intake manifold. For V8 engines, the PCV valve is located in one of the valve covers depending on the engine. To remove and install, pull the PCV valve and hose straight out of the valve cover or manifold. Use a pair of pliers to slide the hose clamp, if equipped back down the hose and off the valve connector. Twist the valve gently to loosen it from the hose, then remove. Inspect the hose and valve cover grommet, and replace if they are hard, brittle or cracked. Clean the hose with solvent if it is clogged. Install the valve into the hose, making sure it seats fully in the hose. Attach the hose clamp, if equipped around the valve assembly. Install the PCV valve in the grommet, making sure the valve seats fully in the cover grommet.

OEM Buick PCV Valve

Position Crank Ventilation Valve

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40 PCV Valves found

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Buick PCV Valve Part Number: 12608378
$31.84 MSRP: $59.80
You Save: $27.96 (47%)
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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
$17.79 MSRP: $29.31
You Save: $11.52 (40%)
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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
$6.00 MSRP: $10.86
You Save: $4.86 (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
$25.03 MSRP: $45.30
You Save: $20.27 (45%)
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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
$10.64 MSRP: $19.98
You Save: $9.34 (47%)
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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
$14.19 MSRP: $23.37
You Save: $9.18 (40%)
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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

Choose OEM PCV Valve, 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 PCV Valve. 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 PCV Valve blows crankcase fumes into the engine blasting the sludge and the emissions. Buick strikes a balance between vintage comfort and contemporary quiet tuning, which makes driving long distances effortless. The marque has been pursuing a smooth ride as opposed to loud boasting since 1903. Broad shoulders, loose suspension, cabins sound-insulated with intelligent thought demonstrate a company that has not yet started to place gimmicks before serenity. Drivers are also attracted by clear dashboards that avoid unnecessary clutter and keep drivers focused on the road. The recently announced Buick Wildcat EV concept adheres to this philosophy, except replacing gasoline with silent torque. When the brand speaks of the future it marries style with life reality, bypassing the hype. Such proprietors will like the fact that the badge does not flash and invests in ride isolation, steering feel and body rigidity. Even the old sedans do not become obsolete as soon as they will not be shaken by potholes. Within each of the engine bays, the PCV Valve employs manifold vacuum to meter the flow of vapors and remains virtually closed when at idle but opens wide when the revs increase ensuring that the blow-by gases enter the burn chamber rather than accumulating in the crankcase. The channel remains clean and the oil retains its additive punch and rings better and the horsepower remains constant as it does not require an addition of fuel. The section also reduces smog since it does not allow the drift of raw hydrocarbons in the air. Replacement of a clogged PCV Valve with a new one and rough idle, leaking oil, and watering fumes normally disappear overnight.

Buick PCV Valve Parts and Q&A

PCV Valve
6487936
Q: How to replace the PCV valve on Buick Regal?
A:
Replace the PCV valve every 30,000 miles (48,000 km). The breather filter, located in the air cleaner on equipped models, is replaced when the air cleaner element is replaced. For V6 engines, the PCV valve is located in the right-hand valve cover on 1975-80 models. On 1981-87 models, the PCV valve is located in the rear of the intake manifold. For V8 engines, the PCV valve is located in one of the valve covers depending on the engine. To remove and install, pull the PCV valve and hose straight out of the valve cover or manifold. Use a pair of pliers to slide the hose clamp, if equipped back down the hose and off the valve connector. Twist the valve gently to loosen it from the hose, then remove. Inspect the hose and valve cover grommet, and replace if they are hard, brittle or cracked. Clean the hose with solvent if it is clogged. Install the valve into the hose, making sure it seats fully in the hose. Attach the hose clamp, if equipped around the valve assembly. Install the PCV valve in the grommet, making sure the valve seats fully in the cover grommet.