Shopping outside the US? International Shipping is now available!

×

APW Part Finder

Catalytic Converter for 2004 Lexus IS300

We have 29 Items In-stock. Select your vehicle's Submodel to continue.

Eastern - OE Replacement Catalytic Converters (48-State Legal - No CA, No NY)

EASTERN - OE REPLACEMENT CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)

Eastern's OE replacement catalytic converters are equipped with advanced design elements and NANO technology for maximum performance. Since 1976, Eastern Catalytic has specialized in engineering world-class catalytic converters for the automotive aftermarket.

  • NANO technology provides greater converter efficiency
  • Designed with advanced materials and OE-style flex assemblies and flanges
  • Facilitates optimal engine performance
  • Full range of outlet and inlet diameters
Note:
  • 48-state legal - not for sale or use in New York or California; cannot be shipped to New York or California addresses.

Eastern Standard Front Catalytic Converter - Manifold Converter, Direct Fit

$472.89 $558.01 You Save $85.12 (15%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Eastern 40486
  • Location: Front
  • Series: Eastern Standard
  • Type: Manifold 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: 34 in. overall length
  • Replaces OE Number: 1714046080
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
See more

Fits the following 2004 Lexus IS300 Submodels

  • 6 Cyl 3.0L | Base, Sportcross
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

$111.97 $144.90 You Save $32.93 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 99006HM
  • 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
  • Notes: Slip fit Inlet and outlet attachment type
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2004 Lexus IS300 Submodels

  • 6 Cyl 3.0L | Base, Sportcross
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

$136.20 $176.25 You Save $40.05 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 51006
  • 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 2004 Lexus IS300 Submodels

  • 6 Cyl 3.0L | Base, Sportcross
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, 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 Catalytic Converter - Traditional Converter, Semi-Universal

$165.58 $214.28 You Save $48.70 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 441005
  • Location: Rear
  • 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-193-96
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 13 in. overall length
  • Notes: Inlet/Outlet Size : 2.25in. I.D.
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
See more

Fits the following 2004 Lexus IS300 Submodels

  • 6 Cyl 3.0L | Base, Sportcross
See more

Magnaflow 50-State Semi-Universal Rear Catalytic Converter - Traditional Converter, Semi-Universal

$192.88 $249.61 You Save $56.73 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 457206
  • Location: Rear
  • 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-193-116
  • Anticipated Ship Out Time: 1-2 Business Days
  • Notes: Inlet/Outlet Size : 2.5in. I.D.
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2004 Lexus IS300 Submodels

  • 6 Cyl 3.0L | Base, Sportcross
See more

Magnaflow 50-State Semi-Universal Rear Catalytic Converter - Traditional Converter, Semi-Universal

$165.58 $214.28 You Save $48.70 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 441006
  • Location: Rear
  • 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-193-96
  • 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 2004 Lexus IS300 Submodels

  • 6 Cyl 3.0L | Base, Sportcross
See more

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 Catalytic Converter - Traditional Converter, Direct Fit

$941.10 $1,217.90 You Save $276.80 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 452843
  • Location: Front
  • 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-193-116
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2004 Lexus IS300 Submodels

  • 6 Cyl 3.0L | Base, Sportcross
See more

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

$555.47 $718.84 You Save $163.37 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 57899
  • Location: Rear
  • 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-193-107
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 45 in. overall length
  • Notes: Gaskets Included
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
See more

Fits the following 2004 Lexus IS300 Submodels

  • 6 Cyl 3.0L | Base, Sportcross
See more

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

$555.64 $719.06 You Save $163.42 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 441021
  • Location: Rear
  • 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-193-96
  • Anticipated Ship Out Time: 1-2 Business Days
  • Notes: Gaskets Included
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2004 Lexus IS300 Submodels

  • 6 Cyl 3.0L | Base, Sportcross
See more

More results for 2004 Lexus IS300 Catalytic Converter

Need Help? Get everything right and save time

Shop 2004 Lexus IS300 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 ©1995-2014 Auto Parts Warehouse. All Rights Reserved.
Please read Auto Parts Warehouse's Updated Privacy Policy

Hide