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Shopping for Toyota-4Runner
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Toyota 4Runner Catalytic Converter

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2003-2012 Toyota 4Runner 1-PC Catalytic Converter Rear Right Passenger Side Fit Federal Emissions A-Premium APCCT5002003-2012 Toyota 4Runner 1-PC Catalytic Converter Rear Right Passenger Side Fit Federal Emissions A-Premium APCCT500
A-Premium®Part # APCCT500
2003-2012 Toyota 4Runner 1-PC Catalytic Converter Rear Right Passenger Side Fit Federal Emissions A-Premium APCCT500
$318.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionRear Right Passenger Side
ColorNatural
Part interchange
642192
item #10055N7Y
Note
【Note-1】 EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. Not legal/saleable in CA/NY/CO/ME due to emissions laws. No shipping to these states. Fit Federal and California Emissions. For California Emissions Standards, please check the state's aftermarket converter regulations.
【Note-2】 This item fits the model with the V6 4.0L engine only, and only fits for the Rear Right Passenger Side, not for the Front Right Passenger Side.
【Note-3】 For the 2003-2012 Toyota 4Runner model, this item fits the model built before 08/2012.
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2003-2009 Toyota 4Runner 1-PC Catalytic Converter Left Driver Side Fit Federal Emissions A-Premium APCCT157
A-Premium®Part # APCCT157
2003-2009 Toyota 4Runner 1-PC Catalytic Converter Left Driver Side Fit Federal Emissions A-Premium APCCT157
$290.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2003 2004 2005 2006 2007 2008 2009
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionLeft Driver Side
ColorNatural
Part interchange
674-797, 171500P020, 171500P070, 171500P100, 171500P260, 1715031010, 1715031011, 1715031070, 
...View more
item #1000L26Z
Note
EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
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2005-2009 Toyota 4Runner 1-PC Catalytic Converter Right Passenger Side Fit Federal Emissions A-Premium APCCT475
A-Premium®Part # APCCT475
2005-2009 Toyota 4Runner 1-PC Catalytic Converter Right Passenger Side Fit Federal Emissions A-Premium APCCT475
$372.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2005 2006 2007 2008 2009
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionRight Passenger Side
ColorNatural
Part interchange
16519, 641331
item #10055KS2
Note
【Note-1】 EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
【Note-2】 Catalytic Converter -- with Exhaust Manifold.
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2003-2009 Toyota 4Runner 1-PC Catalytic Converter Right Passenger Side Fit Federal Emissions A-Premium APCCT155
A-Premium®Part # APCCT155
2003-2009 Toyota 4Runner 1-PC Catalytic Converter Right Passenger Side Fit Federal Emissions A-Premium APCCT155
$228.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2003 2004 2005 2006 2007 2008 2009
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionRight Passenger Side
ColorNatural
Part interchange
674-796, 171400P010, 171400P260, 1714031010, 1714031011, 1714031070, 1714031240, 1714031250, 
...View more
item #10055AU3
Note
【Note-1】 EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
【Note-2】 This item fits for the vehicle with V6 4.0L engine only.
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1999-2002 Toyota 4Runner 1-PC Catalytic Converter Rear Side Fit Federal Emissions A-Premium APCCT558
A-Premium®Part # APCCT558
1999-2002 Toyota 4Runner 1-PC Catalytic Converter Rear Side Fit Federal Emissions A-Premium APCCT558
$292.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 1999 2000 2001 2002
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionRear Side
ColorNatural
Part interchange
645424, 40353, 16535
item #1012YNAQ
Note
EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
Show less
2003-2012 Toyota 4Runner 2-PC Catalytic Converter Rear Side Fit Federal Emissions A-Premium APCCT499
A-Premium®Part # APCCT499
2003-2012 Toyota 4Runner 2-PC Catalytic Converter Rear Side Fit Federal Emissions A-Premium APCCT499
$712.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity2
Installation PositionRear Side
ColorNatural
Part interchange
642191, 642192
item #1012Y18K
Note
EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
Show less
2001-2002 Toyota 4Runner 1-PC Catalytic Converter Rear Side Fit Federal Emissions A-Premium APCCT542
A-Premium®Part # APCCT542
2001-2002 Toyota 4Runner 1-PC Catalytic Converter Rear Side Fit Federal Emissions A-Premium APCCT542
$252.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2001 2002
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionRear Side
ColorNatural
Part interchange
642858, 40500
item #1012YT1Z
Note
EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
Show less
2003-2012 Toyota 4Runner 1-PC Catalytic Converter Rear Left Driver Side Fit Federal Emissions A-Premium APCCT498
A-Premium®Part # APCCT498
2003-2012 Toyota 4Runner 1-PC Catalytic Converter Rear Left Driver Side Fit Federal Emissions A-Premium APCCT498
$333.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionRear Left Driver Side
ColorNatural
Part interchange
642191
item #1012XYZK
Note
EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
Show less
2005-2009 Toyota 4Runner 1-PC Catalytic Converter Left Driver Side Fit Federal Emissions A-Premium APCCT014
A-Premium®Part # APCCT014
2005-2009 Toyota 4Runner 1-PC Catalytic Converter Left Driver Side Fit Federal Emissions A-Premium APCCT014
$353.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2005 2006 2007 2008 2009
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionLeft Driver Side
ColorNatural
Part interchange
16518, 674-977, 1715050050
item #10055DZP
Note
【Note-1】 EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
【Note-2】 This item only fits the vehicle with V8 4.7L, NOT for V6 4.0L.
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2003-2004 Toyota 4Runner 1-PC Catalytic Converter Right Passenger Side Fit Federal Emissions A-Premium APCCT143
A-Premium®Part # APCCT143
2003-2004 Toyota 4Runner 1-PC Catalytic Converter Right Passenger Side Fit Federal Emissions A-Premium APCCT143
$292.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2003 2004
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionRight Passenger Side
ColorNatural
Part interchange
674-114, 1710450180
item #100556RD
Note
EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
Show less
2003-2004 Toyota 4Runner 1-PC Catalytic Converter Left Driver Side Fit Federal Emissions A-Premium APCCT142
A-Premium®Part # APCCT142
2003-2004 Toyota 4Runner 1-PC Catalytic Converter Left Driver Side Fit Federal Emissions A-Premium APCCT142
$320.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2003 2004
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionLeft Driver Side
ColorNatural
Part interchange
674-113, 1710550170
item #100556VS
Note
EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
Show less
2003-2004 Toyota 4Runner 2-PC Catalytic Converter Driver & Passenger Fit Federal Emissions A-Premium APCCT141
A-Premium®Part # APCCT141
2003-2004 Toyota 4Runner 2-PC Catalytic Converter Driver & Passenger Fit Federal Emissions A-Premium APCCT141
$711.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2003 2004
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity2
Installation PositionDriver & Passenger
ColorNatural
Part interchange
674-113, 1710550170, 674-114, 1710450180
item #10055NGH
Note
【Note-1】 EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
【Note-2】 Catalytic Converter -- with Integrated Exhaust Manifold.
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2003-2009 Toyota 4Runner 2-PC Catalytic Converter Driver & Passenger Fit Federal Emissions A-Premium APCCT156
A-Premium®Part # APCCT156
2003-2009 Toyota 4Runner 2-PC Catalytic Converter Driver & Passenger Fit Federal Emissions A-Premium APCCT156
$395.99
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 2003 2004 2005 2006 2007 2008 2009
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity2
Installation PositionDriver & Passenger
ColorNatural
Part interchange
674-797, 171500P020, 171500P070, 171500P100, 171500P260, 1715031010, 1715031011, 1715031070, 
...View more
item #100556QA
Note
【Note-1】 EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
【Note-2】 This item includes an Integrated Exhaust Manifold.
Show less
1996-2000 Toyota 4Runner 1-PC Catalytic Converter Front Side Fit Federal Emissions A-Premium APCCT550
A-Premium®Part # APCCT550
1996-2000 Toyota 4Runner 1-PC Catalytic Converter Front Side Fit Federal Emissions A-Premium APCCT550
$346.99
Edit ZIP code
3-year warranty
90 days free return
Fits Toyota 4Runner: 1996 1997 1998 1999 2000
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Item LocatedCanada
Quantity1
Installation PositionFront Side
ColorNatural
Part interchange
645359, 40258
item #1012YRT3
Note
EPA Compliant -- Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. We do not ship it to these states. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations.
Show less

A catalytic converter, often referred to as a "cat," is an essential component of your engine's exhaust system. This device uses catalysts to transform harmful chemicals in the exhaust gases.

What are the signs of a bad catalytic converter?

  • Check engine light
    The dashboard warning light may illuminate, indicating potential issues.
  • Decreased engine performance
    Noticeable loss of power, acceleration, or overall engine performance.
  • Poor fuel economy
    A significant drop in fuel efficiency can occur as the converter fails.
  • Excessive exhaust emissions
    Increased emissions, including a strong sulfur or rotten egg smell.
  • Rattling noises
    Unusual rattling sounds from the exhaust system, indicating internal damage.
  • Overheating
    The engine may run hotter than normal due to restricted exhaust flow.
  • Failed emissions test
    Inability to pass emissions testing due to high pollution levels.

Shop for aftermarket catalytic converters on A-Premium.com

Premium.com offers a wide range of aftermarket catalytic converters for your vehicle. Refine your search by selecting from various dimensions, inlet types, and tube materials. A-Premium team is dedicated to helping you find a compatible catalytic converter for your car. Every item in our catalog is carefully selected by our team of experts, ensuring they undergo rigorous quality checks to endure the demanding conditions of your exhaust system. Shop now to find the best deal on your new catalytic converter!