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Shopping for Mazda-B4000
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Mazda B4000 Catalytic Converter

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Rear Catalytic ConverterRear Catalytic Converter
A-Premium®
1-PC Catalytic Converter Rear Side Fit Federal Emissions A-Premium APCCT609
$239.99
Only 1 item left in stock
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionRear Side
ColorNatural
Part interchange
645418, 30448, 53425
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Rear Catalytic Converter
A-Premium®
1-PC Catalytic Converter Rear Side Fit Federal Emissions A-Premium APCCT642
$230.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionRear Side
ColorNatural
Part interchange
645442, 30516, 52431
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2 Pcs Left & Right Catalytic Converter
A-Premium®
2-PC Catalytic Converter Driver & Passenger Fit Federal Emissions A-Premium APCCT137
$562.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity2
Installation PositionDriver & Passenger
ColorNatural
Part interchange
70401, 52596, 1FAB2050X, 1FAB2050XB, 1FAD2050XB, 7L5Z5E212F, 8L5Z5E212D, 8L5Z5E212F, 
...View more
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Left Catalytic Converter
A-Premium®
1-PC Catalytic Converter Left Driver Side Fit Federal Emissions A-Premium APCCT108
$293.99
Quantity Less than 4
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionLeft Driver Side
ColorNatural
Part interchange
52596, 1FAB2055X, 1FAB2055XA, 1FAD2055XA, 1FED2055X, 7L5Z5E212A, 8L5Z5E212A, 8L5Z5E212C, 
...View more
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Right Catalytic Converter
A-Premium®
1-PC Catalytic Converter Right Passenger Side Fit Federal Emissions A-Premium APCCT138
$290.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionRight Passenger Side
ColorNatural
Part interchange
70401, 1FAB2050X, 1FAB2050XB, 1FAD2050XB, 7L5Z5E212F, 8L5Z5E212D, 8L5Z5E212F, 8L5Z5E212G, 
...View more
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AP Emissions 776135 Catalytic Converter, Right Passenger Side
AP Emissions
AP Emissions 776135 Catalytic Converter, Right Passenger Side
$602.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionRight
Part interchange
776135
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AP Emissions 912005R Catalytic Converter
AP Emissions
AP Emissions 912005R Catalytic Converter
$344.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Part interchange
912005R
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AP Emissions 912006 Catalytic Converter
AP Emissions
AP Emissions 912006 Catalytic Converter
$327.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Part interchange
912006
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AP Emissions 776316 Catalytic Converter, Right Passenger Side
AP Emissions
AP Emissions 776316 Catalytic Converter, Right Passenger Side
$770.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionRight
Part interchange
776316
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AP Emissions 775444 Catalytic Converter, Rear Side
AP Emissions
AP Emissions 775444 Catalytic Converter, Rear Side
$439.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionRear
Part interchange
775444
Show less
AP Emissions 645442 Catalytic Converter, Rear Side
AP Emissions
AP Emissions 645442 Catalytic Converter, Rear Side
$266.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionRear
Part interchange
645442
Show less
AP Emissions 645793 Catalytic Converter, Front Right Passenger Side
AP Emissions
AP Emissions 645793 Catalytic Converter, Front Right Passenger Side
$440.99
Quantity Less than 5
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionFront Right
Part interchange
645793
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AP Emissions 645365 Catalytic Converter
AP Emissions
AP Emissions 645365 Catalytic Converter
$492.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Part interchange
645365
Show less
AP Emissions 645418 Catalytic Converter, Rear Side
AP Emissions
AP Emissions 645418 Catalytic Converter, Rear Side
$520.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionRear
Part interchange
645418
Show less
AP Emissions 645241 Catalytic Converter, Front Left Driver Side
AP Emissions
AP Emissions 645241 Catalytic Converter, Front Left Driver Side
$344.99
Only 1 item left in stock
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionFront Left
Part interchange
645241
Show less
AP Emissions 642103 Catalytic Converter, Front Side
AP Emissions
AP Emissions 642103 Catalytic Converter, Front Side
$610.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
642103
Show less
AP Emissions 641178 Catalytic Converter, Front Side
AP Emissions
AP Emissions 641178 Catalytic Converter, Front Side
$500.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
641178
Show less
AP Emissions 608226 Catalytic Converter
AP Emissions
AP Emissions 608226 Catalytic Converter
$183.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Part interchange
608226
Show less
AP Emissions 776387 Catalytic Converter, Left Driver Side
AP Emissions
AP Emissions 776387 Catalytic Converter, Left Driver Side
$1,022.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionLeft
Part interchange
776387
Show less
AP Emissions 642016 Catalytic Converter, Front Side
AP Emissions
AP Emissions 642016 Catalytic Converter, Front Side
$429.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda B4000
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
642016
Show less
Page 1 of 4

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!