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.

Select Your Vehicle

Filter By Part Details
View as Grid List

Items 1-48 of 122

Set Ascending Direction
  1. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1981-1984 Oldsmobile 98 4.1L 5.0L V6 V8
    Special Price $70.25 Regular Price $99.99
  2. Walker Catalytic Converter Air Tube
    Walker 35574 Catalytic Converter Air Tube
    Special Price $57.67 Regular Price $81.99
  3. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1981-1984 Oldsmobile Omega 2.8L V6
    Special Price $70.25 Regular Price $99.99
  4. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1981-1983 Cadillac Eldorado 4.1L V6 V8
    Special Price $70.25 Regular Price $99.99
  5. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1986-1988 Dodge Aries 2.2L L4
    Special Price $70.25 Regular Price $99.99
  6. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1981-1985 Buick Skylark 2.8L V6
    Special Price $70.25 Regular Price $99.99
  7. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1986 Nissan 720 2.4L L4
    Special Price $70.25 Regular Price $99.99
  8. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1982-1986 Pontiac 6000 2.8L V6
    Special Price $70.25 Regular Price $99.99
  9. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1981-1986 Ford LTD 5.0L 5.8L V8
    Special Price $70.25 Regular Price $99.99
  10. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1986-1993 Ford Mustang 3.8L 5.0L V6 V8
    Special Price $70.25 Regular Price $99.99
  11. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1990-1991 Dodge Ramcharger 5.2L 5.9L V8
    Special Price $70.25 Regular Price $99.99
  12. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1986-1989 Nissan D21 2.4L 3.0L L4 V6
    Special Price $70.25 Regular Price $99.99
  13. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1988-1989 Ford Festiva 1.3L L4
    Special Price $70.25 Regular Price $99.99
  14. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1981-1984 Pontiac Phoenix 2.8L V6
    Special Price $70.25 Regular Price $99.99
  15. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1981-1983 Chrysler Imperial 5.2L V8
    Special Price $70.25 Regular Price $99.99
  16. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1986-1987 Nissan Sentra 1.6L L4
    Special Price $70.25 Regular Price $99.99
  17. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1981-1983 Buick Estate Wagon 5.0L V8
    Special Price $70.25 Regular Price $99.99
  18. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1989 Dodge Diplomat 5.2L V8
    Special Price $70.25 Regular Price $99.99
  19. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1984 Dodge Rampage 2.2L L4
    Special Price $70.25 Regular Price $99.99
  20. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1984-1985 Jeep Cherokee 2.5L L4
    Special Price $70.25 Regular Price $99.99
  21. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1981-1987 Cadillac Seville 4.1L V6 V8
    Special Price $70.25 Regular Price $99.99
  22. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1986 Mercury Capri 3.8L 5.0L V6 V8
    Special Price $70.25 Regular Price $99.99
  23. Walker Catalytic Converter Air Tube
    Walker Catalytic Converter Air Tube for 1984-1990 Jeep Grand Wagoneer 5.9L V8
    Special Price $70.25 Regular Price $99.99
Page
per page

© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.