Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 1
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 2
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 3
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 4
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 5
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 6
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 7
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 8
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 1
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 2
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 3
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 4
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 5
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 6
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 7
Dorman 306-056 Air Check Valve 2011-2015 Buick Regal - view 8
Dorman Products

Dorman 306-056 Secondary Air Injection Check Valve 11-15 Chevy Impala Equinox

In stock
SKU: 591|306056
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
$223.65
Select your vehicle at the top of the page to check fitment.
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|306056
  • Barcode 194883178809

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Description

This secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for durability and reliable performance.

  • Direct replacement - this secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles
  • Restores functionality - this valve is made to fit and fully restore part functionality after the original valve fails
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience

Vehicle Fitment

Year Make Model Position Notes
2011 Buick LaCrosse w/Federal Emissions; Packaging Type: Box; 2.4L L4
2013-2015 Buick Regal w/California Emissions; Packaging Type: Box; 2.4L L4
2013-2015 Chevrolet Equinox w/California Emissions; Packaging Type: Box; 2.4L L4
2014 Chevrolet Impala w/California Emissions; Packaging Type: Box; 2.4L L4
2013-2014 Chevrolet Malibu w/California Emissions; Packaging Type: Box; 2.4L L4
2014-2015 GMC Terrain w/California Emissions; Packaging Type: Box
2013 GMC Terrain w/California Emissions; Packaging Type: Box; 2.4L L4

Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.

Specifications

Brand Dorman
Part Number 306-056
UPC 194883178809
Material Plastic; Aluminum
Length 4.5 in.
Adjustable No
Mounting Hole Diameter 0.48 in.
Port Quantity 1
Color/Finish Black; Silver
Inlet Size (in) 0.91 in
Maximum Pressure Rating (psi) 5 PSI
Outlet Size (in) 1.7 in
Package Contents 1 Secondary Air Injection Check Valve; Hardware; Gasket
Thread Diameter M8 x 1.25 mm
Valve Type Solenoid
Working Temperature Range -40 Deg. F to 250 Deg. F
Country of Origin China
Warranty Limited Lifetime

OE & Interchange Numbers

12639108 General Motors (OE)
AV74 Interchange