BUICK Dorman Catalytic Converters Catalytic Converters Exhaust - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Dorman Direct-Fit Catalytic Converters 674-068

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-068

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Dorman Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2012-2016 LACROSSE, 2013-2019 XTS - 674-048

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-048

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2014-2019 IMPALA, 2012-2016 LACROSSE, 2013-2019 XTS - 674-049

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-049

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Dorman Direct-Fit Manifold Catalytic Converters for 2016-2019 CRUZE, ENCORE - 674-051

Catalytic Converter, Direct-Fit, Stock Flange, Stainless Steel, Buick, Chevy, Front, Each

Part Number: RNB-674-051

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters 674-067

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-067

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 674-918

Exhaust Manifold Kit - Includes Required Hardware and Gaskets

Part Number: RNB-674-918

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 674-045

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-045

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2016-2018 ENVISION, 2013-2015 MALIBU, 2014-2017 REGAL - 679-531

Catalytic Converter, Pre-Converter - Not CARB Compliant

Part Number: RNB-679-531

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 679-542

Preconverter

Part Number: RNB-679-542

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 679-543

Preconverter

Part Number: RNB-679-543

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2010-2016 LACROSSE - 674-484

Catalytic Converter with Integrated Exhaust Manifold, Manifold Preconverter

Part Number: RNB-674-484

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2011 9-5, 2011-2013 REGAL - 674-063

Catalytic Converter, Catalytic Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

Part Number: RNB-674-063

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today