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Catalytic Converter for 2001 Nissan Altima

We have 34 Items In-stock. Select your vehicle's Submodel to continue.

Evan Fischer 49-State Legal (No CA) OE Replacement Catalytic Converter

This Evan Fischer 49-State Legal (No CA) Direct Fit Catalytic Converter is manufactured from high quality and durable stainless steel catalytic case, 16-gauge aluminized steel tubes, and heat shield for long lasting durability and better protection for your vehicle. It also features honeycomb catalyst that has maximum surface area flow. OBD-II and EPA compliant catalytic converter; It is a high quality aftermarket replacement for the OEM catalytic converter. Designed for easy installation - it requires no cutting or welding!

Evan Fischer also offers comprehensive manifold converter assemblies for newer vehicle models!

  • OBD-II And EPA compliant catalytic converter
  • Requires NO cutting or welding
  • Honeycomb catalyst with maximum surface area flow
  • 49-State Legal, not for sale or use in California; cannot be shipped to California addresses
  • 2-year or 25,000-mile Evan Fischer warranty on converter and 5-year or 50,000-mile Evan Fischer warranty on another components
Evan Fischer Catalytic Converter, Front, 49-State Legal - No CA Shipments, Direct Fit
$189.99 List Price $224.19 Save $34.20 Availability: In Stock
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  • SKU#: REPN960304
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
  • Dimensions: 10.5 in. overall length
  • Warranty: 5-year or 50,000-mile limited warranty
see more Fits the following 2001 Nissan Altima submodels:
  • 4 Cyl 2.4L | GLE, GXE, SE, XE

49-state legal Eastern Direct Fit Catalytic Converter

Eastern 49-State Legal Direct Fit Catalytic Converters

  • NANO technology for better converter efficiency
  • Advanced materials design for optimum engine output and catalytic efficiency
  • Complete range of inlet and outlet diameters
Backed by 3 decades of product expertise, Eastern continues to invest in state-of-the-art production equipment to guarantee only the best for their customers - making them ready for the future.

Note:
  • 49-state legal; Not legal in California and other states adopting California Emissions Standards; Not for sale or use in California and other states adopting California Emissions Standards; Cannot be shipped to California and such states
Eastern Catalytic Converter, Eastern ECO II, Front, 49-State Legal - No CA Shipments
$236.77 List Price $279.39 Save $42.62 Availability: In Stock
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  • SKU#: EAST40389
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
  • Dimensions: 11 in. overall length
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
see more Fits the following 2001 Nissan Altima submodels:
  • 4 Cyl 2.4L | GLE, GXE, SE, XE
Rating: (see review/s)

"Bought product and had it installed on a 2000 Nissan Altima. Saved over $500 dollars on part by not buying Nissan original part. Had to Cut a piece of the front heat shield from the car to fit, but part had its own heat shield so no harm done. I have had it on my car for over 2 years, and it still works great! Recomend to anyone who wants to save a lot of money over an OEM Nissan Cat. Converter. Shipping was practically free and customer service was great. Thanks for a great product!" posted by: Chadwick on November 11, 2009

"One of the best purchases I've made online or over the phone, they were all first quality parts" posted by: Red Man on September 18, 2009 view all 4 reviews

Eastern Catalytic Converter, Eastern Standard, Rear, 49-State Legal - No CA Shipments
$136.12 List Price $160.62 Save $24.50 Availability: In Stock
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  • SKU#: EAST40517
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
  • Dimensions: 12.5 in. overall length
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
see more Fits the following 2001 Nissan Altima submodels:
  • 4 Cyl 2.4L | GLE, GXE, SE, XE

Eastern 49-state legal Universal Catalytic Converter

Eastern 49-State Legal Universal Catalytic Converters

  • NANO technology for better converter efficiency
  • Advanced materials design for optimum engine output and catalytic efficiency
  • Complete range of inlet and outlet diameters
  • Non-directional for ease of installation
Backed by 3 decades of product expertise, Eastern continues to invest in state-of-the-art production equipment to guarantee only the best for their customers - making them ready for the future.

Note:
  • 49-state legal; Not legal in California and other states adopting California Emissions Standards; Not for sale or use in California and other states adopting California Emissions Standards; Cannot be shipped to California and such states
Eastern Catalytic Converter, Eastern Standard, Rear, 49-State Legal - No CA Shipments
$68.54 List Price $80.88 Save $12.34 Availability: In Stock
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  • SKU#: EAST83706
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
Fits the following 2001 Nissan Altima submodels:
  • 4 Cyl 2.4L | GLE, GXE, SE, XE
Rating: (see review/s)

"This is a great replacement CAT i bought for my 1996 jeep Grand Cherokee Laredo. while installing the CTA the O2 sensor was a slight issue. It would be nice if there was an option to having which side the O2 sensor was located on. Luckily i had enough wire to rope it to the other side. Other that that minor speed bump it works very well and had a easy time installing it." posted by: Mayo on May 9, 2013

Magnaflow 49-State Legal Semi-Universal Catalytic Converter

  • Not legal for use in California or in states adopting the California emissions standards
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow Catalytic Converter, Magnaflow 49-State Semi-Universal, Rear, 49-State Legal - No CA Shipments
$108.98 List Price $141.03 Save $32.05 Availability: In Stock
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  • SKU#: M6699005HM
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
  • Dimensions: 12 in. L x 6.5 in. W, 16 in. overall length
  • EO Number: Not applicable
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
see more Fits the following 2001 Nissan Altima submodels:
  • 4 Cyl 2.4L | GLE, GXE, SE, XE

Magnaflow California Legal Direct-Fit Catalytic Converters

  • California/50-State Legal
  • Easy bolt-on Installation with no cutting, welding or bending required
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These direct-fit 50-State Legal catalytic converters are specifically designed to fit your vehicle with a no-hassle installation – no cutting, welding, or bending required.  Engineered to cut emissions and improve performance.

Magnaflow Catalytic Converter, Magnaflow 50-State Direct-Fit, Rear, 50-State Legal
$391.52 List Price $506.67 Save $115.15 Availability: In Stock
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  • SKU#: M66441705
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
  • Dimensions: 12.5 in. overall length
  • EO Number: D-193-96
  • Notes: Gaskets Included
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
see more Fits the following 2001 Nissan Altima submodels:
  • 4 Cyl 2.4L | GLE, GXE, SE, XE

More results for 2001 Nissan Altima Catalytic Converter

MAGNAFLOW OEM GRADE (49-STATE LEGAL) SEMI-UNIVERSAL CATALYTIC CONVERTER
  • Not legal for use in California or in states adopting the California emissions standards
  • Designed for vehicles equipped with California emissions but not registered or driven in a state adopting... (see more)
MAGNAFLOW 49-STATE LEGAL DIRECT FIT CATALYTIC CONVERTER
  • Not legal for use in California or in states adopting the California emissions standards
  • Easy bolt-on Installation with no cutting, welding or bending required
  • Stainless Steel Construction
  • Legendary... (see more)
MAGNAFLOW OEM GRADE (49-STATE LEGAL) DIRECT FIT CATALYTIC CONVERTER
  • Not legal for use in California or in states adopting the California emissions standards
  • Designed for vehicles equipped with California emissions but not registered or driven in a state adopting the... (see more)
MAGNAFLOW CALIFORNIA LEGAL SEMI-UNIVERSAL CATALYTIC CONVERTER
  • 50-State/California Legal
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic,... (see more)
DAVICO 49-STATE LEGAL - NO CA SHIPMENTS CATALYTIC CONVERTER

Davico Catalytic Converter

When it concerns choosing a solid brand name for your engine/exhaust system's catalytic converter, turn to Davico. Davico's line of original equipment quality replacement... (see more)

CATCO CATALYTIC CONVERTER (49-STATE LEGAL - NO CA SHIPMENTS)

Catco catalytic converters are designed with 409 stainless steel pipes and shell that guarantee the customers of durability and longer life.

Note:

  • 49-state legal; Not for sale or use in California;... (see more)
WALKER 49-STATE LEGAL - NO CA SHIPMENTS CATALYTIC CONVERTER

Walker catalytic converters feature OE style design and fit, thicker OE-quality flanges, oxygen sensor fittings, heat-shielded pipe, and structural brace for enhanced strength and... (see more)

WALKER 50-STATE LEGAL CATALYTIC CONVERTER

Walker catalytic converters feature OE style design and fit, thicker OE-quality flanges, oxygen sensor fittings, heat-shielded pipe, and structural brace for enhanced strength and... (see more)

BOSAL 49-STATE LEGAL - NO CA SHIPMENTS CATALYTIC CONVERTER

Bosal catalytic converters are made to fit vehicle-specific requirements for backpressure, emissions, sound levels, and sensors. They are designed and built for long life reliability.

Notes:

BOSAL 50-STATE LEGAL CATALYTIC CONVERTER

BOSAL 50-SATE CATALYTIC CONVERTER

Bosal Catalytic Converters are manufactured from high quality materials for long life reliability. These are assured to give a direct fit for your specific vehicle... (see more)