Genuine Buick LaCrosse Air Inject Check Valve

Air Injection Reaction Check Valve

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8 Air Inject Check Valves found

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Buick LaCrosse Valve Kit, Secondary Air Injection Check
Part Number: 12623091
$160.61 MSRP: $335.86
You Save: $175.25 (53%)
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Product Specifications
- Other Name: VALVE KIT, Emission Control System; Check Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2012 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN | 4 Cyl 2.4L
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Buick LaCrosse Valve Assembly, Secondary Air Injection Check
Part Number: 12639108
$222.14 MSRP: $464.48
You Save: $242.34 (53%)
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Product Specifications
- Other Name: VALVE, Emission Control System; Check Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2014 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN | 4 Cyl 2.4L
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Buick LaCrosse Valve Assembly, Secondary Air Injection Shutoff & Check (Rh)
Part Number: 12633750
$182.27 MSRP: $343.90
You Save: $161.63 (47%)
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Product Specifications
- Other Name: VALVE, Emission Control System; Diverter Valve, Shut-Off Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 6 Cyl 3.6L
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Buick LaCrosse Valve Assembly, Secondary Air Injection Check
Part Number: 12660127
$118.48 MSRP: $380.49
You Save: $262.01 (69%)
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Product Specifications
- Other Name: VALVE, Emission Control System
- Replaces: 12619125
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR | 6 Cyl 3.8L
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Buick LaCrosse Valve Assembly, Secondary Air Injection Shutoff & C
Part Number: 12660126
$247.10 MSRP: $516.66
You Save: $269.56 (53%)
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Product Specifications
- Other Name: VALVE, Emission Control System; Check Valve
- Replaces: 12619122, 12593052
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR | 6 Cyl 3.8L
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Buick LaCrosse Valve Assembly, Secondary Air Injection Shutoff & Check(Lh)
Part Number: 12633749
$155.48 MSRP: $325.10
You Save: $169.62 (53%)
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Product Specifications
- Other Name: VALVE, Emission Control System; Diverter Valve, Shut-Off Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 6 Cyl 3.6L
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Buick LaCrosse Valve Assembly, Secondary Air Injection Shutoff & Check (Lh)
Part Number: 12652894
$176.82 MSRP: $333.62
You Save: $156.80 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: VALVE, Emission Control System; Check Valve, Shut-Off Solenoid
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 6 Cyl 3.6L
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Buick LaCrosse Valve Assembly, Secondary Air Injection Shutoff & Check (Rh)
Part Number: 12652895
$176.38 MSRP: $332.80
You Save: $156.42 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: VALVE, Emission Control System; Check Valve, Shut-Off Solenoid
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 6 Cyl 3.6L

Buick LaCrosse Air Inject Check Valve

The Buick LaCrosse Air Inject Check Valve enhances the exhaust flow by allowing fresh oxygen in while preventing harmful back pressure. Thus, it gives drivers cleaner emissions and more consistent performance from the first turn of the ignition. Located between the secondary air pump and exhaust manifold on Buick vehicles, the Air Inject Check Valve opens instantaneously upon the pump starting and shuts tightly as gases reverse in flow. This quick action protects the secondary air pump and maintains the reliability of the whole system. The Air Inject Check Valve features a heat-resistant case and a spring-loaded disc, maintaining a simple one-way design throughout every evolution of the Buick LaCrosse, ensuring continuity with proven durability and extremely fast response (fractions of a second). Individuals will notice a flawless fit whether or not they own the original CX, the upgraded CXL, the athletic CXS, or the eAssist hybrid. Likewise, Air Inject Check Valve emissions gains will be identical on all LaCrosse iterations. The Air Inject Check Valve, lightweight and crafted from composite materials in later model years, continues to offer fast warm-up, corrosion resistance, and highly durable characteristics that have made it so respected in Buick circles for near maintenance-free service. The Air Inject Check Valve enhances the efficiency of the catalytic converter by limiting the quantity of unburned fuel during a cold start. As a result, the LaCrosse is compliant with tough environmental regulations while also preventing rough idling and warning lights that can disrupt normal driving. Its smaller size also reduces weight, contributing to the balanced ride modern Buick owners expect without compromising cabin quietness or safety. The Air Inject Check Valve prevents hot exhaust from damaging sensitive parts upstream. The system is designed to allow these parts to breathe and remain cool. In addition, it helps the vehicle support multi-airbag systems. This helps the LaCrosse achieve high crash ratings. The Air Inject Check Valve is an unsung hero that adds a lot of value to the Buick LaCrosse. It enables the car to be efficient, perform well, and is unlikely to break down.

Each OEM Buick LaCrosse Air Inject Check Valve we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

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2014 Air Inject Check Valve 2013 Air Inject Check Valve 2012 Air Inject Check Valve 2011 Air Inject Check Valve 2009 Air Inject Check Valve 2008 Air Inject Check Valve 2007 Air Inject Check Valve 2006 Air Inject Check Valve 2005 Air Inject Check Valve