Dorman Secondary Air Injection Check Valve

SKU: 1KNF8 | MPN:  911-340
Only 11 units left
Sale price$410.31 USD Regular price$448.52 USD
Save $38.21

Secondary Air Injection Check Valve

The A.I.R. Check Valve is an emission control device that allows air into the exhaust system to help burn pollutants before they reach the atmosphere. Dorman's A.I.R Check Valve is constructed to withstand the extreme heat of the exhaust manifold and function properly every time.

" A necessary replacement item for passing inspection in certain states

" Direct replacement for a proper fit every time

" Durable metal construction helps to withstand extreme temperatures

" Quality-tested to ensure trouble-free installation and durability

Application Summary: Buick Lucerne 2011-06, Cadillac DTS 2011-06

Product Specifications

  • Adjustable: Yes
  • Color/Finish: Black; Silver
  • Inlet Size (in): 0.887 In.
  • Length: 10 In.
  • Material: Cast Aluminum
  • Maximum Pressure Rating (psi): 5 PSI
  • Mount Hole Diameter: 0.25 In.
  • Outlet Size (in): 0.715 In.
  • Package Contents: 1 Check Valve
  • Package Quantity: 1
  • Port Quantity: 2
  • Selling Package Quantity UOM: Piece
  • Thread Diameter: 6 mm
  • Valve Type: Solenoid
  • Working Temperature Range: -40C To 125C
  • Packaging Type: Box


Vehicle Fitments:

Year Make Model Submodel
2010 Buick Lucerne CXL Special Edition
2006 - 2011 Buick Lucerne CXL, CX
2006 - 2008 Buick Lucerne CXS
2008 - 2011 Buick Lucerne Super
2006 - 2011 Cadillac DTS Base
2007 - 2011 Cadillac DTS L
2008 - 2011 Cadillac DTS Platinum
2010 - 2011 Cadillac DTS Premium, Livery

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