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Dorman

BUICK Dorman Catalytic Converters

Showing In Stock Items. Show All 6 Items.

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

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

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

Preconverter

Part Number: RNB-679-542

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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

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

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

Preconverter

Part Number: RNB-679-543

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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

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

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: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 673-854

Dorman Direct-Fit Manifold Catalytic Converters 673-854

Dorman Direct-Fit Manifold Catalytic Converters 673-854

Manifold Converter - CARB Compliant

Part Number: RNB-673-854

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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