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Catalytic Converter

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2 Pcs Front Catalytic Converter
A-Premium®
2-PC Catalytic Converter, Front Side, Fit Federal Emissions, A-Premium APCCT755
4.4251 Reviews
$457.99
Quantity Less than 3
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity2
Installation PositionFront Side
ColorNatural
Part interchange
641478, 16728, 674-255, 30584, 641479, 674-256, 30585
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Front Left Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Front Left Driver Side, Fit Federal Emissions, A-Premium APCCT677
4.4251 Reviews
$250.99
Quantity Less than 3
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Installation PositionFront Left Driver Side
ColorNatural
Part interchange
641478, 16728, 674-255, 30584
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2 Pcs Front & Rear Catalytic Converter
A-Premium®
2-PC Catalytic Converter, Front & Rear, Fit Federal Emissions, A-Premium APCCT313
$375.99
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: Lincoln MKX
Item LocatedUnited States
Quantity2
Installation PositionFront & Rear
ColorNatural
Part interchange
642214, 16491, 642215, 16490, 679-532
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Rear Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Rear Side, Fit Federal Emissions, A-Premium APCCT314
$158.99
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: Lincoln MKX
Item LocatedUnited States
Quantity1
Installation PositionRear Side
ColorNatural
Part interchange
642214, 16491
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Front Right Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Front Right Passenger Side, Fit Federal Emissions, A-Premium APCCT678
$330.99
Quantity Less than 2
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Installation PositionFront Right Passenger Side
ColorNatural
Part interchange
641479, 674-256, 30585
Show less
Front Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Front Side, Fit Federal Emissions, A-Premium APCCT315
4.4251 Reviews
$202.99
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: Lincoln MKX
Item LocatedUnited States
Quantity1
Installation PositionFront Side
ColorNatural
Part interchange
642215, 16490, 679-532
Show less
Rear Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Rear Side, Fit Federal Emissions, A-Premium APCCT172
$312.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Installation PositionRear Side
ColorNatural
Part interchange
679-535, 16719, 33087, BT4Z5E212C
Show less
Left Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Left Driver Side, Fit Federal Emissions, A-Premium APCCT702
$351.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Installation PositionLeft Driver Side
ColorNatural
Part interchange
644176, 33401, 30625
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Right Catalytic Converter
A-Premium®
1-PC Catalytic Converter, Right Passenger Side, Fit Federal Emissions, A-Premium APCCT633
$297.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Installation PositionRight Passenger Side
ColorNatural
Part interchange
644177, 30626
Show less
Front Driver Catalytic Converter with Exhaust Manifold
A-Premium®
1-PC Catalytic Converter, Front Left Driver Side, Fit Federal Emissions, A-Premium APCCT460
$197.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Installation PositionFront Left Driver Side
ColorNatural
Part interchange
674-615, 674615, 641388, 16720, BT4Z5G232B, BT4Z5G232C
Show less
2 Pcs Front & Rear Catalytic Converter
A-Premium®
2-PC Catalytic Converter Front & Rear Fit Federal Emissions A-Premium APCCT459
$422.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity2
Installation PositionFront & Rear
ColorNatural
Part interchange
674-615, 641388, 16720, BT4Z5G232B, BT4Z5G232C, 679-535, 641371, 16719, 
...View more
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AP Emissions 9275 Catalytic Converter
AP Emissions
AP Emissions 9275 Catalytic Converter
$24.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Part interchange
9275
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AP Emissions 642214 Catalytic Converter
AP Emissions
AP Emissions 642214 Catalytic Converter
$338.99
Quantity Less than 2
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Part interchange
642214
Show less
AP Emissions 642215 Catalytic Converter
AP Emissions
AP Emissions 642215 Catalytic Converter
$482.99
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: Lincoln MKX
Item LocatedUnited States
Quantity1
Part interchange
642215
Show less
AP Emissions 641371 Catalytic Converter
AP Emissions
AP Emissions 641371 Catalytic Converter
$307.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Part interchange
641371
Show less
AP Emissions 641478 Catalytic Converter with Integrated Exhaust Manifold
AP Emissions
AP Emissions 641478 Catalytic Converter with Integrated Exhaust Manifold
$336.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Part interchange
641478
Show less
AP Emissions 641479 Catalytic Converter with Integrated Exhaust Manifold
AP Emissions
AP Emissions 641479 Catalytic Converter with Integrated Exhaust Manifold
$442.99
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: Lincoln MKX
Item LocatedUnited States
Quantity1
Part interchange
641479
Show less
AP Emissions 641388 Catalytic Converter with Integrated Exhaust Manifold
AP Emissions
AP Emissions 641388 Catalytic Converter with Integrated Exhaust Manifold
$375.99
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: Lincoln MKX
Item LocatedUnited States
Quantity1
Part interchange
641388
Show less
Eastern Catalytic 30584 Catalytic Converter with Integrated Exhaust Manifold, Front Left Driver Side
Eastern Catalytic
Eastern Catalytic 30584 Catalytic Converter with Integrated Exhaust Manifold, Front Left Driver Side
$347.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Installation PositionFront Left
Part interchange
30584
Show less
Eastern Catalytic 30585 Catalytic Converter with Integrated Exhaust Manifold, Front Right Passenger Side
Eastern Catalytic
Eastern Catalytic 30585 Catalytic Converter with Integrated Exhaust Manifold, Front Right Passenger Side
$472.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lincoln MKX
Item LocatedUnited States
Quantity1
Installation PositionFront Right
Part interchange
30585
Show less
Page 1 of 2

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!