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Catalytic Converter

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Front Driver Catalytic Converter with Exhaust Manifold
A-Premium®
1-PC Catalytic Converter, Front Left Driver Side, Fit Federal Emissions, A-Premium APCCT273
4.4251 Reviews
$175.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionFront Left Driver Side
ColorNatural
Part interchange
641476, 674-048, 50549, 674048
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Front Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Front Side, Fit Federal Emissions, A-Premium APCCT035
4.4251 Reviews
$172.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionFront Side
ColorNatural
Part interchange
22794842, 16776, 19612
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Front Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Front Side, Fit Federal Emissions, A-Premium APCCT038
4.4251 Reviews
$233.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionFront Side
ColorNatural
Part interchange
16788, 679-545, 12627204, 12656263
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Front Right Catalytic Converter
A-Premium®
1-PC Catalytic Converter Front Right Passenger Side Fit Federal Emissions A-Premium APCCT535
$185.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionFront Right Passenger Side
ColorNatural
Part interchange
641477, 50550
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Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Rear Side, Fit Federal Emissions, A-Premium APCCT119
$204.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionRear Side
ColorNatural
Part interchange
54693, 15780299, 25820197, 25882589
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Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Exhaust, Fit Federal Emissions, A-Premium APCCT324
$204.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionExhaust
ColorNatural
Part interchange
642525, 54626, 50322
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2 Pcs Front & Rear Catalytic Converter
A-Premium®
2-PC Catalytic Converter, Front & Rear, Fit Federal Emissions, A-Premium APCCT675
$375.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity2
Installation PositionFront & Rear
ColorNatural
Part interchange
679-539, 679539, 679 539, 679-540, 679540, 679 540, 641447, 50503, 
...View more
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Front Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Front Side, Fit Federal Emissions, A-Premium APCCT674
$229.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionFront Side
ColorNatural
Part interchange
679-539, 679539, 679 539, 641447, 50503, 20831820
Show less
Rear Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Rear Side, Fit Federal Emissions, A-Premium APCCT676
$244.99
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: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionRear Side
ColorNatural
Part interchange
679-540, 679540, 679 540, 641448, 50504, 22839597
Show less
Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Exhaust, Fit Federal Emissions, A-Premium APCCT690
$328.99
Quantity Less than 5
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionExhaust
ColorNatural
Part interchange
642101, 50531
Show less
Front Natural Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Front Side, Fit Federal Emissions, A-Premium APCCT697
$269.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionFront Side
ColorNatural
Part interchange
54962, 644017, 19472, 50518
Show less
AP Emissions 608265 Catalytic Converter
AP Emissions
AP Emissions 608265 Catalytic Converter
$152.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
Quantity1
Part interchange
608265
Show less
AP Emissions 608216 Catalytic Converter
AP Emissions
AP Emissions 608216 Catalytic Converter
$159.99
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: Chevrolet Impala
Item LocatedUnited States
Quantity1
Part interchange
608216
Show less
AP Emissions 608706 Catalytic Converter
AP Emissions
AP Emissions 608706 Catalytic Converter
$204.99
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: Chevrolet Impala
Item LocatedUnited States
Quantity1
Part interchange
608706
Show less
AP Emissions 772105 Catalytic Converter
AP Emissions
AP Emissions 772105 Catalytic Converter
$423.99
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: Chevrolet Impala
Item LocatedUnited States
Quantity1
Part interchange
772105
Show less
AP Emissions 771393 Catalytic Converter, Front Left Driver Side
AP Emissions
AP Emissions 771393 Catalytic Converter, Front Left Driver Side
$827.99
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: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionFront Left
Part interchange
771393
Show less
AP Emissions 771391 Catalytic Converter, Front Right Passenger Side
AP Emissions
AP Emissions 771391 Catalytic Converter, Front Right Passenger Side
$647.99
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: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionFront Right
Part interchange
771391
Show less
AP Emissions 771390 Catalytic Converter, Front Left Driver Side
AP Emissions
AP Emissions 771390 Catalytic Converter, Front Left Driver Side
$716.99
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: Chevrolet Impala
Item LocatedUnited States
Quantity1
Installation PositionFront Left
Part interchange
771390
Show less
AP Emissions 770105 Catalytic Converter
AP Emissions
AP Emissions 770105 Catalytic Converter
$626.99
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: Chevrolet Impala
Item LocatedUnited States
Quantity1
Part interchange
770105
Show less
AP Emissions 642525 Catalytic Converter
AP Emissions
AP Emissions 642525 Catalytic Converter
$248.99
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: Chevrolet Impala
Item LocatedUnited States
Quantity1
Part interchange
642525
Show less
Page 1 of 5

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!