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Nissan Sentra Catalytic Converters

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Fits: 1999 Nissan Sentra, 1998 Nissan Sentra, 1998 Nissan 200SX, 1997 Nissan 200SX, 1997 Nissan Sentra

PART# 56023

Ca Legality: 50-State Legal
Price: $591.84
Qty: Each

Free Shipping! *Continental U.S. only.

Fits: 2001 Nissan Sentra, 2000 Mercedes-Benz E320, 2000 Mercedes-Benz CLK320, 2000 Nissan Sentra

PART# 441356

Qty: Each

Fits: 1984 Nissan Sentra; 1.6, 4L, 1985 Nissan Sentra; 1.6, 4L, 1986 Nissan Sentra; 1.6, 4L, 1983 Nissan Sentra; 1.6, 4L

PART# 23193

Qty: Each

Fits: 1983 Nissan Pulsar, 1991 Mercury Colony Park, 1981 Mercury Capri, 1991 Mercury Grand Marquis, 1990 Mercury Colony Park, 1988 Mercury Colony Park, 1986 ...

PART# 38004

Qty: Each

Qty: Each

Fits: 2004 Nissan Sentra; 2.5, 4L, 2005 Nissan Sentra; 2.5, 4L, 2006 Nissan Sentra; 2.5, 4L, 2003 Nissan Altima; 2.5, 4L, 2003 Nissan Sentra; 2.5, 4L, 2006 ...

PART# 49293

Ca Legality: 49-State Legal (Ex. CA)
Price: $556.52
Qty: Each

Free Shipping! *Continental U.S. only.

Fits: 1986 Nissan Sentra; 1.6, 4L, 1987 Nissan Sentra; 1.6, 4L

PART# 23659

Qty: Each

Fits: 2005 Nissan Sentra; 1.8, 4L, 2004 Nissan Sentra; 1.8, 4L, 2006 Nissan Sentra; 1.8, 4L, 2003 Nissan Sentra; 1.8, 4L

PART# 50806

Ca Legality: 49-State Legal (Ex. CA)
Price: $263.21
Qty: Each

Free Shipping! *Continental U.S. only.

Fits: 2003 Nissan Sentra, 2004 Nissan Sentra, 2002 Nissan Sentra, 2005 Nissan Sentra, 2006 Nissan Sentra

PART# 57014

Qty: Each

Fits: 2002 Nissan Sentra; 1.8, 4L, 2000 Nissan Sentra; 1.8, 4L, 2001 Nissan Sentra; 1.8, 4L

PART# 49996

Ca Legality: 49-State Legal (Ex. CA)
Price: $227.93
Qty: Each

Free Shipping! *Continental U.S. only.

Fits: 2005 Nissan Sentra Base;1.8, 4L, 2004 Nissan Sentra S;1.8, 4L, 2006 Nissan Sentra S;1.8, 4L

PART# 93355

Qty: Each

Fits: 2004 Nissan Sentra; 2.5, 4L, 2005 Nissan Sentra; 2.5, 4L, 2006 Nissan Sentra; 2.5, 4L, 2003 Nissan Sentra; 2.5, 4L, 2002 Nissan Sentra; 2.5, 4L

PART# 23134

Qty: Each


Not able to find what you are looking for?

Exhaust Manifold w/ Catalytic Converter 2.5L for 02-06 Nissan Sentra Altima

Manifold Catalytic Converter Oxygen Sensor Kit for 02-03 Altima Sentra 2.5L

New Catalytic Converter Front for Nissan Sentra 2000-2002 5YR WARRANTY

2007 2008 2009 2010 2011 Sentra catalytic converter 2.0L DIRECT FIT


At Andy's Auto Sport, we have a huge variety of Nissan Sentra catalytic converters to ensure that you have every catalytic converter option available to you. We go out of our way to carry every major line of Nissan Sentra catalytic converters, so that whether you are looking for replacement Nissan Sentra catalytic converter or a performance high flow cat or anything in between, we've got it for you. Andy's Auto Sport is the ultimate shopping destination for your Nissan Sentra catalytic converter needs!


The good news is that, although replacement catalytic converters can be costly from your local dealership, aftermarket units (many times made by the same original equipment manufacturers) are substantially less expensive and can be purchased as direct-fit bolt-on units (assuming that the original converter was also bolted on) or weld-on units. Replacing your catalytic converter can restore power that has been lost due to a faulty original converter and will make your vehicle run better overall. In addition, a bad catalytic converter means that your exhaust is releasing harmful toxins into the atmosphere and environment, so getting a new one means you’re doing your part to keep the earth and its atmosphere clean.
Modern catalytic converters are much less restrictive than in days past, so much so that the antiquated (and illegal) method of "gutting" the converters of their internal structures has been deemed almost pointless on newer cars, as the performance gains are minimal, if any. Aftermarket high-flow catalytic converters are therefore a much better (and more responsible) choice for those seeking to upgrade their exhaust systems or replace a faulty converter.

So how do you know if your catalytic converter is on its way out? If your engine seems to be losing power or your temperature gauge reads a little high, one possible culprit could be that a rich condition is feeding excessive unburned fuel into the catalytic converter, which can overheat it as well as damage it. It is common to see your catalytic converter glowing orange/red when this condition is present. Another common sign of catalytic converter failure is the infamous "rotten egg" smell. Other common symptoms include: a lack of power, rough engine idle, or stalling. If you are replacing your catalytic converter due to any of the above circumstances, it is a good idea to also replace your oxygen sensor, since it plays a vital role in the air/fuel mixture ratio and may have also been damaged due to the same adverse conditions. Finally, physical damage can sometimes occur if a large rock or other object hits catalytic converter, resulting in a damaged ceramic core. This can often be heard, as smaller ceramic pieces will bounce around inside the converter housing. As you can imagine, this is often accompanied by a loss of power due to exhaust blockage.
Q: What is a hi-flow catalytic converter? Why buy one?
A: All stock catalytic converters are restrictive when it comes to exhaust flow, and they essentially place a choke hold on performance. The hi-flow catalytic converters on the market today have a higher flow capacity than factory units. Still able to pass emissions and gain horsepower, how can you go wrong with a hi-flow catalytic converter?

Q: How do you install a hi-flow catalytic converter?
A: There are two kinds of catalytic converters. The first are direct fit converters (no welding required) which have all necessary flanges and oxygen sensors just like the original equipment catalytic converters. There are also universal fit catalytic converters that are designed to be welded or clamped in place. Universal fit converters have the same flow characteristics as direct fit models with the same inlet and outlet diameter.

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