Dorman Emission Control System Components

Failed an emissions test? This can be down to dozens of reasons but is largely limited to parts in the car Fuel Delivery System. Causes can be as simple as a leaking gas cap, faulty vapor canisters that trap gas vapors in the fuel return lines to damage to the EGR Valves that recirculate exhaust gasses and reduce nitrogen oxides. Increased emissions can also be down to skipping maintenance intervals with regular replacement parts like vehicle Air Filters to deliver oxygen-rich and cleansed air for better engine efficiency, and Engine Oil Filters to filter out contaminants that cause wear.

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  1. Dorman PCV Valve Diaphragm
    Dorman PCV Valve Diaphragm for 2005-2015 Volkswagen Golf 2.0L 2.5L L4 L5
    Special Price $44.18 Regular Price $62.99
  2. Dorman PCV Valve Diaphragm
    Dorman PCV Valve Diaphragm for 2016-2017 Audi A7 2.0L L4
    Special Price $44.18 Regular Price $62.99
  3. Dorman PCV Valve Diaphragm
    Dorman PCV Valve Diaphragm for 2005-2017 Volkswagen Passat 2.0L 2.5L L4 L5
    Special Price $44.18 Regular Price $62.99
  4. Dorman Evaporative Emissions System Leak Detection Pump
    Dorman 310-218 Evap Leak Detection Pump
    Special Price $44.37 Regular Price $62.99
  5. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2014-2019 Jeep Cherokee 3.2L V6
    Special Price $44.64 Regular Price $63.99
  6. Dorman Vapor Canister Vent Solenoid
    Dorman 911-811 Vapor Canister Vent Solenoid
    Special Price $44.82 Regular Price $63.99
  7. Dorman PCV Valve Diaphragm
    Dorman PCV Valve Diaphragm for 2005-2017 Audi A4 Quattro 2.0L L4
    Special Price $45.09 Regular Price $63.99
  8. Dorman PCV Valve Diaphragm
    Dorman PCV Valve Diaphragm for 2010-2012 Audi A5 Quattro 2.0L L4
    Special Price $45.09 Regular Price $63.99
  9. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2006-2010 Chevrolet Malibu 3.5L V6
    Special Price $45.23 Regular Price $64.99
  10. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2006-2010 Pontiac G6 3.5L V6
    Special Price $45.23 Regular Price $64.99
  11. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2017-2018 Chrysler Pacifica 3.6L V6
    Special Price $45.55 Regular Price $64.99
  12. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2007-2013 Chevrolet Silverado 1500 4.3L V6
    Special Price $46.15 Regular Price $65.99
  13. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2001-2003 GMC Sierra 2500 HD 6.0L 8.1L V8
    Special Price $46.52 Regular Price $65.99
    Out of stock
  14. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2003-2004 Chevrolet SSR 5.3L V8
    Special Price $46.52 Regular Price $65.99
    Out of stock
  15. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2004 GMC Envoy XUV 5.3L V8
    Special Price $46.52 Regular Price $65.99
    Out of stock
  16. Dorman Evaporative Emissions System Leak Detection Pump
    Dorman Evap Leak Detection Pump for 2007-2008 Dodge Ram 1500 3.7L V6
    Special Price $47.23 Regular Price $66.99
  17. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2005-2009 Saab 9-7x 4.2L 5.3L 6.0L L6 V8
    Special Price $47.28 Regular Price $67.99
  18. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2007-2010 Pontiac G5 2.2L 2.4L L4
    Special Price $47.28 Regular Price $67.99
  19. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2008-2018 GMC Savana 2500 4.8L 6.0L V8
    Special Price $47.28 Regular Price $67.99
  20. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2004-2012 Chevrolet Malibu 2.2L 2.4L L4
    Special Price $47.28 Regular Price $67.99
  21. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2005-2006 GMC Envoy XL 4.2L 5.3L L6 V8
    Special Price $47.28 Regular Price $67.99
  22. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2010-2015 Chevrolet Camaro 6.2L 7.0L V8
    Special Price $47.28 Regular Price $67.99
  23. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2007 GMC Sierra 3500 Classic 6.0L 8.1L V8
    Special Price $47.78 Regular Price $67.99
  24. Dorman EGR Vacuum Modulator
    Dorman EGR Vacuum Modulator for 1992-2001 Lexus ES300
    Special Price $47.80 Regular Price $67.99
  25. Dorman Vapor Canister Shut-Off Valve
    Dorman 911-762 Vapor Canister Shut-Off Valve
    Special Price $48.17 Regular Price $68.99
  26. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2010-2017 Chevrolet Equinox 2.4L L4
    Special Price $48.25 Regular Price $68.99
  27. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2006-2009 Chevrolet Impala 5.3L V8
    Special Price $48.25 Regular Price $68.99
  28. Dorman Vapor Canister Purge Valve
    Dorman Vapor Canister Purge Valve for 2004-2007 GMC Savana 3500 4.8L 6.0L V8
    Special Price $48.76 Regular Price $69.99
  29. Dorman EGR Vacuum Modulator
    Dorman EGR Vacuum Modulator for 1987-2001 Toyota Camry 2.0L 2.2L L4
    Special Price $48.78 Regular Price $69.99
  30. Dorman Vapor Canister Vent Solenoid
    Dorman Vapor Canister Vent Solenoid for 2000-2003 Chevrolet Tahoe 4.8L 5.3L V8
    Special Price $49.16 Regular Price $69.99
  31. Dorman Vapor Canister Vent Solenoid
    Dorman Vapor Canister Vent Solenoid for 2001-2006 GMC Sierra 1500 HD 6.0L V8
    Special Price $49.16 Regular Price $69.99
  32. Dorman Vapor Canister Vent Solenoid
    Dorman Vapor Canister Vent Solenoid for 2007 Chevrolet Silverado 3500 Classic
    Special Price $49.16 Regular Price $69.99
  33. Dorman Vapor Canister Vent Solenoid
    Dorman Vapor Canister Vent Solenoid for 2003 Cadillac Escalade ESV 6.0L V8
    Special Price $49.16 Regular Price $69.99
  34. Dorman PCV Valve Diaphragm
    Dorman PCV Valve Diaphragm for 2014-2016 BMW 520i 2.0L L4
    Special Price $49.61 Regular Price $70.99
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