Shopping outside the US? International Shipping is now available!

×

APW Part Finder

Related Products

Catalytic Converter for 2003 Nissan Xterra

We have 79 Items In-stock. Select your vehicle's Submodel to continue.

Evan Fischer 48-State Legal (No CA and NY) Catalytic Converter

This Evan Fischer 48-State Legal (No CA and NY) 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
  • Covered by 5-year or 50,000-mile limited warranty
  • Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses

Evan Fischer Front Catalytic Converter - Traditional Converter, Direct Fit

Best Seller
$171.08 $281.94 You Save $110.86 (39%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Evan Fischer REPN960315
  • Location: Front
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 13 in. overall length
  • Inlet Type: Single (5-bolt welded flange)
  • Outlet Type: Single (3-bolt welded flange)
  • Warranty: 5-year or 50,000-mile limited warranty
See more

Fits the following 2003 Nissan Xterra Submodels

  • 4 Cyl 2.4L | XE
See more
Customer Review: (see review/s)
  • Product fit well and with a little effort matched up with the existing exhaust manifold and tailpipe. A small amount of grinding was need to mate it up with the tailpipe for a perfect fit. Otherwise went together easily.

    posted by: Rick on April 27, 2015

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, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These semi-universal 50-State Legal 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 50-State Semi-Universal Rear, Driver Or Passenger Side Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$142.35 $184.22 You Save $41.87 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 447206
  • Location: Rear, Driver Or Passenger Side
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-103, D-193-98
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 13 in. overall length
  • Notes: Inlet/Outlet Size : 2.5in. I.D.
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
See more

Fits the following 2003 Nissan Xterra Submodels

  • 6 Cyl 3.3L | SE, XE
See more

Magnaflow 50-State Semi-Universal Front, Driver Or Passenger Side Catalytic Converter - Traditional Converter, Semi-Universal

$239.09 $309.41 You Save $70.32 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 447195
  • Location: Front, Driver Or Passenger Side
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-103
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 13 in. overall length
  • Notes: Oval body; Inlet/Outlet Size : 2.25in. I.D.
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
See more

Fits the following 2003 Nissan Xterra Submodels

  • 6 Cyl 3.3L | SE, XE
See more

Magnaflow OEM Grade (48-State Legal) Semi-Universal Catalytic Converters

  • Not legal for use in California or New York
  • Designed for vehicles equipped with California emissions but not registered or driven in a state adopting the California emissions standards (see item details for more information)
  • 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 48-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 OEM Grade (49-State) Semi-Universal Rear Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$154.65 $200.13 You Save $45.48 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 51355
  • Location: Rear
  • Series: Magnaflow OEM Grade (49-State) Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2003 Nissan Xterra Submodels

  • 6 Cyl 3.3L | SE, XE
See more

Magnaflow OEM Grade (49-State) Semi-Universal Front, Driver Or Passenger Side Catalytic Converter - Traditional Converter, Semi-Universal

$207.22 $268.17 You Save $60.95 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 49335
  • Location: Front, Driver Or Passenger Side
  • Series: Magnaflow OEM Grade (49-State) Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 9 in. body length, 5.13 in. width, 13 in. overall length
  • Notes: 2.25 in. inlet/outlet dimension; Round body shape; Center configuration; Ceramic substrate material
  • Oxygen Sensor Ports: Yes
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2003 Nissan Xterra Submodels

  • 6 Cyl 3.3L | SE, XE
See more

Magnaflow OEM Grade (49-State) Semi-Universal Rear Catalytic Converter - Traditional Converter, Semi-Universal

$136.20 $176.25 You Save $40.05 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 51004
  • Location: Rear
  • Series: Magnaflow OEM Grade (49-State) Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 13 in. L x 9 in. W x 6.4 in. H
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2003 Nissan Xterra Submodels

  • 6 Cyl 3.3L | SE, XE
See more

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 49-State Semi-Universal Rear Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$111.97 $144.90 You Save $32.93 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 99004HM
  • Location: Rear
  • Series: Magnaflow 49-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 12 in. L x 6.5 in. W, 16 in. overall length
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2003 Nissan Xterra Submodels

  • 6 Cyl 3.3L | SE, XE
See more
Customer Review: (see review/s)
  • It was easy for the installer to install. Did not affect the Oxygen Sensor, and now I got super great mileage, from less than 20 mpg, I now get 26.5 mpg.

    posted by: Gil on March 15, 2010

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 50-State Direct-Fit Front, Passenger Side Catalytic Converter - Traditional Converter, Direct Fit

$377.30 $488.27 You Save $110.97 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 447199
  • Location: Front, Passenger Side
  • Series: Magnaflow 50-State Direct-Fit
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • E O Number: D-193-103
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 12.25 in. overall length
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
See more

Fits the following 2003 Nissan Xterra Submodels

  • 6 Cyl 3.3L | SE
See more

Magnaflow 50-State Direct-Fit Front, Driver Side Catalytic Converter - Traditional Converter, Direct Fit

$377.30 $488.27 You Save $110.97 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 447196
  • Location: Front, Driver Side
  • Series: Magnaflow 50-State Direct-Fit
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • E O Number: D-193-103
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 12 in. overall length
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
See more

Fits the following 2003 Nissan Xterra Submodels

  • 6 Cyl 3.3L | SE
See more

Magnaflow 50-State Direct-Fit Rear, Driver Side Catalytic Converter - Traditional Converter, Direct Fit

$352.97 $456.79 You Save $103.82 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 447229
  • Location: Rear, Driver Side
  • Series: Magnaflow 50-State Direct-Fit
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • E O Number: D-193-103
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 35.25 in. overall length
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
See more

Fits the following 2003 Nissan Xterra Submodels

  • 6 Cyl 3.3L | SE, XE
See more

More results for 2003 Nissan Xterra Catalytic Converter

Need Help? Get everything right and save time

Shop 2003 Nissan Xterra Catalytic Converter or call our auto parts experts at or get an expert recommendation via Live Chat

Our Advantage

Free Shippingon orders $50 and above

Copyright ©1995-2015 Auto Parts Warehouse. All Rights Reserved.
Please read Auto Parts Warehouse's Updated Privacy Policy

Hide