How to Tell If a Catalytic Converter Is Clogged
Learn how to tell if a catalytic converter is clogged, which symptoms matter, how backpressure testing confirms a blockage, and what to fix before replacement.
Oct 29, 2026
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Dodge Avenger Catalytic Converter
57 itemsThe Dodge Avenger includes emissions distinctions beyond engine displacement, including PZEV and non-PZEV 2.4-liter applications. A catalytic converter replacement must preserve the appropriate emissions equipment. Select the A-Premium converter using the engine and emissions designation.
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AP EmissionsPart # 770136
AP Emissions 770136 Catalytic Converter
52 Reviews
$640.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2015 - 2015 Jeep Compass, 2015 - 2015 Jeep Compass, 2015 - 2015 Jeep Compass, 2015 - 2015 Jeep Patriot, 2015 - 2015 Jeep Patriot, 2015 - 2015 Jeep Patriot, 2014 - 2014 Chrysler 200, 2014 - 2014 Chrysler 300, 2014 - 2014 Chrysler 300, 2014 - 2014 Dodge Challenger, 2014 - 2014 Dodge Challenger, 2014 - 2014 Dodge Charger, 2014 - 2014 Dodge Charger, 2014 - 2014 Hyundai Santa Fe Sport, 2014 - 2014 Jeep Compass, 2014 - 2014 Jeep Compass, 2014 - 2014 Jeep Compass, 2014 - 2014 Jeep Patriot, 2014 - 2014 Jeep Patriot, 2014 - 2014 Jeep Patriot
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Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
770136
item #10010A9V
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AP EmissionsPart # 641457
AP Emissions 641457 Catalytic Converter with Integrated Exhaust Manifold
52 Reviews
$841.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2009 - 2010 Dodge Journey, 2009 - 2010 Volkswagen Routan, 2008 - 2010 Chrysler Town & Country, 2008 - 2010 Dodge Avenger, 2008 - 2010 Dodge Grand Caravan, 2008 - 2008 Chrysler Pacifica, 2007 - 2010 Chrysler Sebring
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Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
641457
item #1000ZXU8
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AP EmissionsPart # 770374
AP Emissions 770374 Catalytic Converter
52 Reviews
$1,097.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2015 - 2015 Jeep Compass, 2015 - 2015 Jeep Compass, 2015 - 2015 Jeep Compass, 2015 - 2015 Jeep Patriot, 2015 - 2015 Jeep Patriot, 2015 - 2015 Jeep Patriot, 2014 - 2014 Chrysler 200, 2014 - 2014 Jeep Compass, 2014 - 2014 Jeep Compass, 2014 - 2014 Jeep Compass, 2014 - 2014 Jeep Patriot, 2014 - 2014 Jeep Patriot, 2014 - 2014 Jeep Patriot, 2013 - 2013 Chrysler 200, 2013 - 2013 Jeep Compass, 2013 - 2013 Jeep Compass, 2013 - 2013 Jeep Compass, 2013 - 2013 Jeep Patriot, 2013 - 2013 Jeep Patriot, 2013 - 2013 Jeep Patriot
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Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
770374
item #1001094S
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WalkerPart # 81806
Walker 81806 Catalytic Converter, Exhaust
52 Reviews
$295.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004 - 2004 Ford Ranger, 2004 - 2004 Mazda B3000, 2004 - 2004 Subaru Outback, 2003 - 2003 Ford Ranger, 2003 - 2003 Lexus RX300, 2003 - 2003 Mazda B3000, 2003 - 2003 Saturn L300, 2003 - 2003 Saturn LW300, 2003 - 2003 Subaru Outback, 2002 - 2002 Ford Ranger, 2002 - 2002 Lexus RX300, 2002 - 2002 Lincoln Continental, 2002 - 2002 Mazda B3000, 2002 - 2002 Saturn L300, 2002 - 2002 Saturn LW300, 2002 - 2002 Subaru Outback, 2001 - 2001 Ford Ranger, 2001 - 2001 Ford Ranger, 2001 - 2001 INFINITI Q45, 2001 - 2001 Lexus RX300
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Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
81806
item #10019PK3
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AP EmissionsPart # 608746
AP Emissions 608746 Catalytic Converter
52 Reviews
$242.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2020 - 2020 Dodge Journey, 2018 - 2020 Ford F-150, 2018 - 2020 Ford F-150, 2018 - 2020 Ford F-150, 2017 - 2017 Ford E-350 Super Duty, 2017 - 2017 Ford F-150, 2017 - 2017 Ford F-150, 2016 - 2020 Ford F-150, 2016 - 2020 Ford F-150, 2015 - 2020 Ford F-150, 2015 - 2020 Ford F-150, 2015 - 2017 Ford F-150, 2015 - 2016 Ford E-350 Super Duty, 2015 - 2016 Ford E-450 Super Duty, 2015 - 2016 Ford F-150, 2014 - 2014 Lincoln Navigator, 2014 - 2014 Lincoln Navigator, 2013 - 2013 Kia Forte, 2013 - 2013 Kia Forte Koup, 2012 - 2017 Jeep Compass
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Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
608746
item #1000ZZ5W
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AP EmissionsPart # 642231
AP Emissions 642231 Catalytic Converter
52 Reviews
$408.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2020 - 2020 Dodge Journey, 2012 - 2017 Jeep Compass, 2012 - 2014 Dodge Avenger, 2012 - 2012 Dodge Caliber, 2011 - 2014 Chrysler 200, 2009 - 2019 Dodge Journey, 2008 - 2011 Dodge Avenger, 2007 - 2017 Jeep Patriot, 2007 - 2011 Dodge Caliber, 2007 - 2011 Jeep Compass, 2007 - 2011 Jeep Compass, 2007 - 2011 Jeep Compass, 2007 - 2010 Chrysler Sebring
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Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
642231
item #1000ZZPL
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AP EmissionsPart # 641384
AP Emissions 641384 Catalytic Converter with Integrated Exhaust Manifold
52 Reviews
$282.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2018 - 2019 Dodge Journey, 2016 - 2016 Chrysler Town & Country, 2015 - 2016 Chrysler Town & Country, 2015 - 2016 Chrysler Town & Country, 2014 - 2014 Chrysler Town & Country, 2013 - 2016 Chrysler Town & Country, 2012 - 2015 Ram C/V, 2011 - 2020 Dodge Grand Caravan, 2011 - 2017 Dodge Journey, 2011 - 2016 Chrysler Town & Country, 2011 - 2016 Chrysler Town & Country, 2011 - 2016 Chrysler Town & Country, 2011 - 2014 Chrysler 200, 2011 - 2014 Chrysler 200, 2011 - 2014 Chrysler 200, 2011 - 2014 Chrysler 200, 2011 - 2014 Chrysler 200, 2011 - 2014 Dodge Avenger, 2011 - 2014 Volkswagen Routan
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Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
641384
item #1000ZZ2U
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WalkerPart # 54735
Walker 54735 Catalytic Converter, Exhaust
52 Reviews
$504.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2012 - 2017 Jeep Compass, 2012 - 2012 Dodge Caliber, 2011 - 2014 Chrysler 200, 2010 - 2011 Dodge Caliber, 2009 - 2018 Dodge Journey, 2008 - 2014 Dodge Avenger, 2008 - 2010 Dodge Avenger, 2008 - 2009 Dodge Caliber, 2008 - 2009 Dodge Caliber, 2008 - 2009 Dodge Caliber, 2007 - 2017 Jeep Patriot, 2007 - 2011 Jeep Compass, 2007 - 2010 Chrysler Sebring, 2007 - 2010 Chrysler Sebring, 2007 - 2007 Dodge Caliber
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Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
54735, 68066089AD, 5105049AB, 21-640, 5105145AC, 68083090AA, 68066089AB, 49952,
...View moreitem #10019PYD
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WalkerPart # 93270
Walker 93270 Catalytic Converter, Exhaust
52 Reviews
$192.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004 - 2005 Chrysler Sebring, 2004 - 2005 Ford Thunderbird, 2004 - 2004 Jeep Grand Cherokee, 2004 - 2004 Jeep Grand Cherokee, 2004 - 2004 Lincoln LS, 2003 - 2007 Nissan Murano, 2003 - 2006 Mercedes-Benz CL500, 2002 - 2005 Dodge Stratus, 2002 - 2005 Mercury Mountaineer, 2002 - 2003 Jeep Liberty, 2002 - 2003 Mazda Protege5, 2001 - 2006 Jeep Wrangler, 2001 - 2004 Nissan Frontier, 2001 - 2004 Nissan Xterra, 2001 - 2003 Chrysler Sebring, 2001 - 2003 Chrysler Sebring, 2001 - 2003 Jeep Grand Cherokee, 2001 - 2003 Mazda Protege, 2001 - 2003 Toyota Highlander, 2001 - 2003 Toyota Sienna
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93270, 51654, 99654HM, 608204, 82363
item #10019WCR
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WalkerPart # 81807
Walker 81807 Catalytic Converter, Exhaust
52 Reviews
$296.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006 - 2006 Volkswagen Phaeton, 2005 - 2005 Volkswagen Phaeton, 2004 - 2004 Audi RS6, 2004 - 2004 Mercedes-Benz C32 AMG, 2004 - 2004 Mercedes-Benz SLK32 AMG, 2004 - 2004 Volkswagen Phaeton, 2003 - 2003 Mercedes-Benz C240, 2003 - 2003 Mercedes-Benz C32 AMG, 2003 - 2003 Mercedes-Benz C320, 2003 - 2003 Mercedes-Benz CLK320, 2003 - 2003 Mercedes-Benz SLK32 AMG, 2003 - 2003 Mercedes-Benz SLK320, 2002 - 2002 Dodge Dakota, 2002 - 2002 Mercedes-Benz C240, 2002 - 2002 Mercedes-Benz C32 AMG, 2002 - 2002 Mercedes-Benz C320, 2002 - 2002 Mercedes-Benz CL600, 2002 - 2002 Mercedes-Benz CLK320, 2002 - 2002 Mercedes-Benz S600, 2002 - 2002 Mercedes-Benz SLK32 AMG
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
81807
item #10019Y90
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AP EmissionsPart # 608215
AP Emissions 608215 Catalytic Converter
52 Reviews
$161.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2012 - 2014 Dodge Avenger, 2008 - 2011 Dodge Avenger, 2007 - 2012 Dodge Caliber, 2007 - 2007 Jeep Liberty, 2007 - 2007 Pontiac G5, 2006 - 2007 Chevrolet Cobalt, 2006 - 2007 Chevrolet Cobalt, 2006 - 2007 Chevrolet HHR, 2006 - 2007 Saturn Ion, 2005 - 2007 Saturn Ion, 2005 - 2006 Jeep Liberty, 2005 - 2005 Chevrolet Cobalt, 2004 - 2005 Buick Rendezvous, 2004 - 2005 Dodge Ram 1500, 2004 - 2005 Dodge Ram 1500, 2003 - 2005 Dodge Neon, 2003 - 2004 Dodge Neon, 2002 - 2006 Nissan Altima, 2002 - 2005 Pontiac Grand Am, 2002 - 2004 Dodge Neon
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
608215
item #1000ZWQ1
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MagnaFlowPart # 441004
MagnaFlow 441004 Catalytic Converter
$482.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2003-2003 Mazda 6, 2002-2002 Mazda Millenia, 2002-2002 Mazda Millenia, 2001-2001 Chevrolet Metro, 2001-2001 Mazda Millenia, 2001-2001 Mercury Cougar, 2001-2001 Saturn SC1, 2001-2001 Saturn SL2, 2001-2001 Saturn SW2, 2001-2001 Suzuki Swift, 2000-2000 Ford Contour, 2000-2000 Lexus RX300, 2000-2000 Mazda Miata, 2000-2000 Saturn SC1, 2000-2000 Saturn SL, 2000-2000 Saturn SL1, 1999-1999 Chevrolet Metro, 1999-1999 Ford Contour, 1999-1999 INFINITI I30, 1999-1999 Mazda Miata
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Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
441004
item #1000VE0E
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MagnaFlowPart # 337105
MagnaFlow 337105 Catalytic Converter
$283.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Chrysler New Yorker, 1995-1995 Dodge Avenger, 1995-1995 Lincoln Mark VIII, 1994-1995 Chrysler Concorde, 1994-1995 Chrysler LHS, 1994-1995 Ford Thunderbird, 1994-1994 Chrysler New Yorker, 1994-1994 Ford Crown Victoria, 1993-1995 Eagle Vision, 1993-1995 Lexus GS300, 1993-1993 Chrysler Concorde, 1993-1993 Chrysler Concorde, 1993-1993 Ford Crown Victoria, 1993-1993 Lincoln Mark VIII, 1992-1995 Lexus SC300, 1992-1995 Lexus SC400, 1992-1993 Ford Thunderbird, 1992-1992 Ford Crown Victoria, 1990-1994 Lexus LS400, 1990-1991 Chevrolet Corvette
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
337105
item #1000VCW1
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AP EmissionsPart # 608316
AP Emissions 608316 Catalytic Converter
52 Reviews
$155.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2020 - 2020 Dodge Journey, 2013 - 2013 Kia Forte, 2013 - 2013 Kia Forte Koup, 2012 - 2017 Jeep Compass, 2012 - 2014 Dodge Avenger, 2012 - 2012 Dodge Caliber, 2011 - 2014 Chrysler 200, 2011 - 2013 Kia Sportage, 2010 - 2013 Kia Forte, 2010 - 2013 Kia Forte, 2010 - 2012 Kia Forte Koup, 2010 - 2011 Kia Forte, 2010 - 2010 Kia Rondo, 2009 - 2019 Dodge Journey, 2009 - 2010 Hyundai Sonata, 2009 - 2010 Kia Optima, 2009 - 2009 Kia Rondo, 2008 - 2012 Jeep Liberty, 2008 - 2011 Dodge Avenger, 2008 - 2008 Ford F-150
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
608316
item #1000ZZPG
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MagnaFlowPart # 338104
MagnaFlow 338104 Catalytic Converter
$286.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Chrysler Sebring, 1995-1995 Dodge Avenger, 1995-1995 Geo Metro, 1995-1995 Geo Prizm, 1995-1995 Mazda 626, 1995-1995 Mazda MX-3, 1995-1995 Mazda MX-6, 1995-1995 Mercury Mystique, 1995-1995 Subaru Impreza, 1995-1995 Suzuki Esteem, 1994-1994 Geo Prizm, 1994-1994 Jaguar XJS, 1994-1994 Mazda MX-3, 1994-1994 Mercedes-Benz C220, 1994-1994 Mercedes-Benz C280, 1993-1994 Subaru Impreza, 1993-1993 Geo Prizm, 1993-1993 Jaguar XJS, 1993-1993 Mercedes-Benz 300E, 1992-1995 Toyota Camry
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
338104
item #1000VCQT
Show less
WalkerPart # 16628
Walker 16628 Catalytic Converter with Integrated Exhaust Manifold, Rear Side
52 Reviews
$955.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2009 - 2010 Dodge Journey, 2009 - 2010 Volkswagen Routan, 2008 - 2010 Chrysler Town & Country, 2008 - 2010 Dodge Avenger, 2008 - 2010 Dodge Grand Caravan, 2008 - 2008 Chrysler Pacifica, 2007 - 2010 Chrysler Sebring, 2007 - 2007 Chrysler Pacifica
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Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Installation PositionRear
MaterialStainless Steel
item #10019TNA
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AP EmissionsPart # 641383
AP Emissions 641383 Catalytic Converter with Integrated Exhaust Manifold
52 Reviews
$282.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2018 - 2019 Dodge Journey, 2016 - 2016 Chrysler Town & Country, 2015 - 2016 Chrysler Town & Country, 2015 - 2016 Chrysler Town & Country, 2014 - 2014 Chrysler Town & Country, 2013 - 2016 Chrysler Town & Country, 2012 - 2015 Ram C/V, 2011 - 2020 Dodge Grand Caravan, 2011 - 2017 Dodge Journey, 2011 - 2016 Chrysler Town & Country, 2011 - 2016 Chrysler Town & Country, 2011 - 2016 Chrysler Town & Country, 2011 - 2014 Chrysler 200, 2011 - 2014 Chrysler 200, 2011 - 2014 Chrysler 200, 2011 - 2014 Chrysler 200, 2011 - 2014 Chrysler 200, 2011 - 2014 Dodge Avenger, 2011 - 2014 Volkswagen Routan
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Part interchange
641383
item #1000ZXZY
Show less
WalkerPart # 82629
Walker 82629 Catalytic Converter, Exhaust
52 Reviews
$767.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006 - 2006 Mitsubishi Outlander, 2005 - 2005 Mitsubishi Outlander, 2004 - 2004 Mercedes-Benz SLK230, 2004 - 2004 Mitsubishi Lancer, 2004 - 2004 Mitsubishi Outlander, 2003 - 2003 Audi S6, 2003 - 2003 Audi S8, 2003 - 2003 Chevrolet S10, 2003 - 2003 GMC Sonoma, 2003 - 2003 Mercedes-Benz SLK230, 2003 - 2003 Mitsubishi Outlander, 2002 - 2002 Audi S6, 2002 - 2002 Audi S8, 2002 - 2002 Chevrolet S10, 2002 - 2002 GMC Sonoma, 2002 - 2002 Mercedes-Benz C230, 2002 - 2002 Mercedes-Benz SLK230, 2001 - 2001 Audi S8, 2001 - 2001 Chevrolet S10, 2001 - 2001 GMC Sonoma
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
82629
item #10019XW4
Show less
WalkerPart # 81652
Walker 81652 Catalytic Converter, Exhaust
52 Reviews
$337.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006 - 2006 Mitsubishi Lancer, 2006 - 2006 Volkswagen Phaeton, 2005 - 2005 Mitsubishi Lancer, 2005 - 2005 Volkswagen Phaeton, 2004 - 2004 Audi RS6, 2004 - 2004 Audi S4, 2004 - 2004 Mercedes-Benz C32 AMG, 2004 - 2004 Mercedes-Benz SLK32 AMG, 2004 - 2004 Volkswagen Phaeton, 2003 - 2003 Lexus RX300, 2003 - 2003 Mercedes-Benz C32 AMG, 2003 - 2003 Mercedes-Benz C320, 2003 - 2003 Mercedes-Benz CLK320, 2003 - 2003 Mercedes-Benz SLK32 AMG, 2003 - 2003 Mercedes-Benz SLK320, 2002 - 2002 Lexus RX300, 2002 - 2002 Lincoln Continental, 2002 - 2002 Mercedes-Benz CL600, 2002 - 2002 Mercedes-Benz CLK320, 2002 - 2002 Mercedes-Benz S600
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
81652
item #10019P20
Show less
WalkerPart # 16629
Walker 16629 Catalytic Converter with Integrated Exhaust Manifold, Rear Side
52 Reviews
$1,034.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2008 - 2010 Dodge Avenger, 2007 - 2010 Chrysler Sebring
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Dodge Avenger
Item LocatedUnited States
Quantity1
Installation PositionRear
MaterialStainless Steel
item #10019RZ2
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Dodge Avenger Catalytic Converter Replacement
Shop Dodge Avenger catalytic converters for the positions that diagnosis identifies as faulty. A-Premium lists a two-piece front-and-rear package for specified applications, useful when both named units require replacement.
Match the engine and emissions designation before ordering. The 2.4-liter PZEV and non-PZEV applications need to be distinguished; a shared displacement does not settle converter selection.
Why Choose A-Premium Dodge Avenger Catalytic Converters?
The Avenger package available through A-Premium supplies the stated front and rear converter pieces together. It can cover a repair involving both positions without assuming that every Avenger needs both renewed.
New catalyst material restores exhaust treatment. Complete replacement also removes a damaged core, while an unresolved misfire or excess-fuel fault needs repair to protect the new units.
- Two-position package: The product supplies its named front and rear pieces. It supports a repair when both specified positions are faulty.
- Renewed catalytic function: The replacement cores treat harmful exhaust gases. They restore treatment lost through catalyst deterioration.
FAQs About Dodge Avenger Catalytic Converters
Does a 2012 Avenger 2.4 need its PZEV designation when choosing a converter?
Yes. Dodge's 2012 guide distinguishes PZEV and non-PZEV versions of the 2.4-liter four-cylinder engine. Displacement alone does not identify the emissions application. Use the vehicle's emissions label to select a converter approved for that specific configuration and its place of use.
What does the Avenger APCCT216 two-piece listing cover?
The product is described as front and rear converter pieces for its named applications, including listed 2011-2014 Avenger entries. It is a two-piece product, not proof that every Avenger needs both replaced. The failed positions determine whether that package suits the repair.
Will replacing only the oxygen sensor fix a worn-out catalyst?
No. A sensor reports exhaust conditions but cannot renew the catalyst material. If the sensor is working and the converter has been confirmed ineffective, the converter is the required replacement. A separate sensor fault should be repaired on its own evidence.
Can I reuse the old converter after its core has melted?
No. Melted substrate has lost its intended passages and structure. A replacement is needed, along with correction of the overheating cause. Leaving a continuing misfire or excess-fuel condition active can expose the new converter to the same damage.
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