How to replace the PCV Valve Hose on Buick LaCrosse?

The hose replacement for positive crankcase ventilation starts by unmounting the pcv fresh air tube from its position on the left camshaft cover before disconnecting it from the air inlet duct. Begin with the removal of the pcv dirty air tube from the right camshaft cover prior to detaching it from the Intake Manifold. The first step for installation requires attaching the pcv dirty air tube to the Intake Manifold followed by a connection to the right camshaft cover. Set the pcv fresh air tube to the air inlet duct before fixing it into the left camshaft cover.

OEM Buick LaCrosse PCV Valve Hose

Positive Crankcase Ventilation Valve Hose

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8 PCV Valve Hoses found

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Buick LaCrosse PCV Hose Part Number: 12643296
$4.70 MSRP: $8.82
You Save: $4.12 (47%)
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Product Specifications
- Other Name: Hose-PCV; Crankcase Breather Hose; PCV Tube; Hose, Engine Crankcase Ventilation
- Replaces: 12605456, 12598189
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2016 Buick LaCrosse | Base, Convenience, CX, CXL, Leather | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse PCV Tube Part Number: 12611749
$8.48 MSRP: $15.14
You Save: $6.66 (44%)
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Product Specifications
- Other Name: Tube Assembly-PCV; Tube, Engine Crankcase Ventilation
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CX, CXL, CXS | 6 Cyl 3.6 L GAS
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Buick LaCrosse PCV Tube Part Number: 12634292
$11.15 MSRP: $20.94
You Save: $9.79 (47%)
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Product Specifications
- Other Name: Tube, PCV; Tube, Engine Crankcase Ventilation
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012 Buick LaCrosse | Base, Convenience, Leather, Premium, Touring | 6 Cyl 3.6 L FLEX
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Buick LaCrosse PCV Tube Part Number: 12633396
$20.74 MSRP: $38.94
You Save: $18.20 (47%)
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Product Specifications
- Other Name: Tube, PCV; Tube, Engine Crankcase Ventilation
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016, 2010 Buick LaCrosse | Base, Convenience, CX, CXL, Leather, Premium, Sport Touring, Touring | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse PCV Tube, Driver Side Part Number: 12701623
$41.42 MSRP: $64.88
You Save: $23.46 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tube Assembly-PCV Foul Air; Tube, Engine Crankcase Ventilation
- Position: Driver Side
- Replaces: 12669905, 12680716
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse PCV Tube, Passenger Side Part Number: 12670652
$24.04 MSRP: $39.60
You Save: $15.56 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tube Assembly-PCV; Tube, Engine Crankcase Ventilation
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse PCV Valve Part Number: 12595298
Product Specifications
- Other Name: Hose, Engine Crankcase Ventilation
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
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Buick LaCrosse PCV Valve Part Number: 12569421
Product Specifications
- Other Name: Hose, Engine Crankcase Ventilation
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS

Buick LaCrosse PCV Valve Hose

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The Buick LaCrosse PCV Valve Hose is one of the essential PCV parts that help in efficient running of the vehicle's engine. This hose efficiently drains gases which used to fumes in the crankcase to the PCV valve, thus recycling the gases into the engine instead of emitting them, this improve the fuel efficiency. Being among the most trusted brands for automobiles, the Buick LaCrosse PCV Valve Hose is used for the crankcase ventilation of LaCrosse models and thus maintaining the vehicle's reliability. The following are some of the signs which indicate that the PCV Valve Hose is faulty and hence should be replaced: the check engine light turns on, poor fuel efficiency, and the engine light begins to misfire. Buick LaCrosse started in 2004 and has gone up to generations, and some of the components that have not changed over the years include the PCV Valve Hose that enhances the performance of the model as well as safety of those using road the car. However, the second generation LaCrosse brought some new features with it in form of powertrains and the car's safety; it featured ten airbags. In the automotive market the Buick LaCrosse PCV Valve Hose is one of those components that has received high appreciation for its construction quality and moreover, due to the fact that it plays a significant role in maintaining health of the engine in vehicle use, it can be recommended for Buick lovers. Thus, this hose helps to optimize the functioning of the PCV system and contributes to the improvement of Buick LaCrosse performance and environmental protection.

Buick LaCrosse PCV Valve Hose Parts Questions & Experts Answers

PCV Valve
12569421
Q: How to replace the PCV Valve Hose on Buick LaCrosse?
A:
The hose replacement for positive crankcase ventilation starts by unmounting the pcv fresh air tube from its position on the left camshaft cover before disconnecting it from the air inlet duct. Begin with the removal of the pcv dirty air tube from the right camshaft cover prior to detaching it from the Intake Manifold. The first step for installation requires attaching the pcv dirty air tube to the Intake Manifold followed by a connection to the right camshaft cover. Set the pcv fresh air tube to the air inlet duct before fixing it into the left camshaft cover.