Lexus RX300

Lexus RX300 Catalytic Converter

Your Lexus RX300 will be happy to know that the search for the right Catalytic Converter products you’ve been looking for is over! Advance Auto Parts has 32 different Catalytic Converter for your vehicle, ready for shipping or in-store pick up. The best part is, our Lexus RX300 Catalytic Converter products start from as little as $221.99.

When it comes to your Lexus RX300, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Catalytic Converter product and part brands so you can shop with complete confidence. Some of our top Catalytic Converter product brands are MAGNAFLOW and Walker. We’re sure you will get the right product to keep that RX300 running for a long time.

We even have reviews of our OEM and aftermarket Catalytic Converter products to help you buy with confidence. Hear from other customers via the 175 reviews on parts for your Lexus RX300.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Catalytic Converter products for your RX300, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Catalytic Converter for a Lexus RX300

Use the fitment form at the top of the page to select your exact year and engine type for your Lexus RX300.

  • Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed

    Walker - Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No. 93237)

    Description
    5.0
    Read 2 review(s)

    from $316.99

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  • Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed

    Walker - Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No. 16121)

    Description
    5.0
    Read 3 review(s)

    from $571.99

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  • MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.50in. - 99006HM

    MagnaFlow - MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.50in. - 99006HM (Part No. 99006HM)

    Description
    4.5
    Read 3 review(s)

    from $276.99

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  • MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.25in. - 99205HM

    MagnaFlow - MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.25in. - 99205HM (Part No. 99205HM)

    Description
    4.0
    Read 3 review(s)

    from $221.99

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  • MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.25in. - 99005HM

    MagnaFlow - MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.25in. - 99005HM (Part No. 99005HM)

    Description
    3.0
    Read 3 review(s)

    from $276.99

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  • MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.50in. - 51006

    MagnaFlow - MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.50in. - 51006 (Part No. 51006)

    Description
    3.0
    Read 2 review(s)

    from $279.99

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  • Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed

    Walker - Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No. 93271)

    Description
    2.5
    Read 3 review(s)

    from $373.99

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  • Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed

    Walker - Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No. 93270)

    Description

    from $374.99

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  • MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.25in. - 51205

    MagnaFlow - MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.25in. - 51205 (Part No. 51205)

    Description

    from $241.99

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  • CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

    Walker - CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No. 81806)

    Description

    from $378.99

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  • CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

    Walker - CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No. 81652)

    Description

    from $448.99

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  • CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed

    Walker - CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed (Part No. 81664)

    Description

    from $901.99

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 49507

    MagnaFlow - MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 49507 (Part No. 49507)

    Description

    from $852.99

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  • CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed

    Walker - CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed (Part No. 81840)

    Description

    from $761.99

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  • MagnaFlow California California / CARB Compliant Direct-Fit Catalytic Converter - 441417

    MagnaFlow - MagnaFlow California California / CARB Compliant Direct-Fit Catalytic Converter - 441417 (Part No. 441417)

    Description

    from $749.99

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  • CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed

    Walker - CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed (Part No. 81841)

    Description

    from $733.99

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  • MagnaFlow California California / CARB Compliant Universal Catalytic Converter - 2.25in. - 441005

    MagnaFlow - MagnaFlow California California / CARB Compliant Universal Catalytic Converter - 2.25in. - 441005 (Part No. 441005)

    Description

    from $708.99

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 51318

    MagnaFlow - MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 51318 (Part No. 51318)

    Description

    from $693.99

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 49506

    MagnaFlow - MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 49506 (Part No. 49506)

    Description

    from $685.99

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  • Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed

    Walker - Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No. 40236)

    Description

    from $683.99

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  • MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 93260

    MagnaFlow - MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 93260 (Part No. 93260)

    Description

    from $682.99

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  • MagnaFlow California California / CARB Compliant Universal Catalytic Converter - 2.00in. - 441004

    MagnaFlow - MagnaFlow California California / CARB Compliant Universal Catalytic Converter - 2.00in. - 441004 (Part No. 441004)

    Description

    from $670.99

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  • MagnaFlow California California / CARB Compliant Universal Catalytic Converter - 2.50in. - 441006

    MagnaFlow - MagnaFlow California California / CARB Compliant Universal Catalytic Converter - 2.50in. - 441006 (Part No. 441006)

    Description

    from $670.99

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  • MagnaFlow California California / CARB Compliant Direct-Fit Catalytic Converter - 444227

    MagnaFlow - MagnaFlow California California / CARB Compliant Direct-Fit Catalytic Converter - 444227 (Part No. 444227)

    Description

    from $646.99

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  • Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed

    Walker - Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No. 16191)

    Description

    from $557.99

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FAQs for Lexus RX300 Catalytic Converter Products

What are the most purchased Catalytic Converter products for the Lexus RX300?

Out of 32 Catalytic Converter products for the Lexus RX300, the most popular in our inventory are: