Hummer H3 Catalytic Converter

Your Hummer H3 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 12 different Catalytic Converter for your vehicle, ready for shipping or in-store pick up. The best part is, our Hummer H3 Catalytic Converter products start from as little as $209.99.

When it comes to your Hummer H3, 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 Walker and MagnaFlow. We’re sure you will get the right product to keep that H3 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 300 reviews on parts for your Hummer H3.

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 H3, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Catalytic Converter for a Hummer H3

Use the fitment form at the top of the page to select your exact year and engine type for your Hummer H3.

  • Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed

    Walker - Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No. 93253)

    Description
    4.0
    Read 3 review(s)

    from $209.99

  • MagnaFlow HM Grade Federal / EPA Compliant Manifold Catalytic Converter - 50664

    MagnaFlow - MagnaFlow HM Grade Federal / EPA Compliant Manifold Catalytic Converter - 50664 (Part No. 50664)

    Description
    3.5
    Read 3 review(s)

    from $1229.99

  • Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed

    Walker - Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No. 93238)

    Description
    3.0
    Read 2 review(s)

    from $263.99

  • MagnaFlow OEM Grade Federal / EPA Compliant Manifold Catalytic Converter - 49353

    MagnaFlow - MagnaFlow OEM Grade Federal / EPA Compliant Manifold Catalytic Converter - 49353 (Part No. 49353)

    Description

    from $1455.99

  • MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.50in. - 51206

    MagnaFlow - MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.50in. - 51206 (Part No. 51206)

    Description

    from $241.99

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

    Walker - Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No. 54480)

    Description

    from $511.99

  • MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.50in. - 99206HM

    MagnaFlow - MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter - 2.50in. - 99206HM (Part No. 99206HM)

    Description

    from $221.99

  • MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 23966

    MagnaFlow - MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 23966 (Part No. 23966)

    Description

    from $566.99

  • EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed

    Walker - EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed (Part No. 16578)

    Description

    from $1178.99

  • EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed

    Walker - EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed (Part No. 16481)

    Description

    from $1174.99

  • MagnaFlow OEM Grade Federal / EPA Compliant Manifold Catalytic Converter - 51085

    MagnaFlow - MagnaFlow OEM Grade Federal / EPA Compliant Manifold Catalytic Converter - 51085 (Part No. 51085)

    Description

    from $998.99

  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 49612

    MagnaFlow - MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - 49612 (Part No. 49612)

    Description

    from $670.99

FAQs for Hummer H3 Catalytic Converter Products