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BUICK Catalytic Converters

Showing In Stock Items. Show All 205 Items.

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Results 1 - 25 of 162

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converters 280173

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converters 280173

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converters 280173

Catalytic Converters, OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter, Buick, Chevrolet, Each

Part Number: MPE-280173

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

This product may not be eligible for select promotional offers

Catco Federal/EPA Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2012-2016 LACROSSE - 5073

Made in the USA Catco Federal/EPA Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2012-2016 LACROSSE - 5073

Catco Federal/EPA Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2012-2016 LACROSSE - 5073

Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Chevy, Each

Part Number: CTO-5073

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2005-2007 GRAND PRIX, 2005-2009 LACROSSE - 84589

Walker CalCat Direct-Fit Catalytic Converters for 2005-2007 GRAND PRIX, 2005-2009 LACROSSE - 84589

Walker CalCat Direct-Fit Catalytic Converters for 2005-2007 GRAND PRIX, 2005-2009 LACROSSE - 84589

Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84589

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2017-2019 ACADIA, 2018-2024 ENCLAVE, 2018-2023 TRAVERSE - 644167

Made in the USA AP Exhaust Direct-Fit Catalytic Converters for 2017-2019 ACADIA, 2018-2024 ENCLAVE, 2018-2023 TRAVERSE - 644167

AP Exhaust Direct-Fit Catalytic Converters for 2017-2019 ACADIA, 2018-2024 ENCLAVE, 2018-2023 TRAVERSE - 644167

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Stainless Steel Case, 14.00 in. Overall Length, Front Right, Buick, Chevrolet, GMC, Each

Part Number: APH-644167

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters 674-068

Dorman Direct-Fit Catalytic Converters 674-068

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: Tomorrow

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Estimated Ship Date: Tomorrow

Walker Ultra Direct-Fit Catalytic Converters 54772

Walker Ultra Direct-Fit Catalytic Converters 54772

Walker Ultra Direct-Fit Catalytic Converters 54772

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Buick, Chevrolet, GMC, Saab, Each

Part Number: WLK-54772

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

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

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 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Catco Federal/EPA Direct-Fit Catalytic Converters 5240

Made in the USA Catco Federal/EPA Direct-Fit Catalytic Converters 5240

Catco Federal/EPA Direct-Fit Catalytic Converters 5240

Catalytic Converter 08-15 6 Cyl 3.6L Engine, Front Left

Part Number: CTO-5240

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2004-2008 GRAND PRIX, 2005-2009 LACROSSE - 54752

Walker Ultra Direct-Fit Catalytic Converters for 2004-2008 GRAND PRIX, 2005-2009 LACROSSE - 54752

Walker Ultra Direct-Fit Catalytic Converters for 2004-2008 GRAND PRIX, 2005-2009 LACROSSE - 54752

Catalytic Converter, Ultra Direct Fit, Stainless Steel, Buick, Pontiac, 3.8L, Each

Part Number: WLK-54752

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 551300

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 551300

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 551300

Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Front Right Position, Buick, 3.6L, Each

Part Number: MPE-551300

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

This product may not be eligible for select promotional offers

Catco Federal/EPA Direct-Fit Catalytic Converters for 2011-2013 REGAL - 5234

Made in the USA Catco Federal/EPA Direct-Fit Catalytic Converters for 2011-2013 REGAL - 5234

Catco Federal/EPA Direct-Fit Catalytic Converters for 2011-2013 REGAL - 5234

Catalytic Converter 11 4 Cyl. Buick Regal, 2.0L Engine, Rear

Part Number: CTO-5234

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters 16671

Walker Ultra Direct-Fit Catalytic Converters 16671

Walker Ultra Direct-Fit Catalytic Converters 16671

Catalytic Converter, Direct Fit, Stainless Steel Case, Buick, Chevy, GMC, Isuzu, Saab, Each

Part Number: WLK-16671

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 5070

Made in the USA Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 5070

Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 5070

Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Each

Part Number: CTO-5070

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 643135

Made in the USA AP Exhaust Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 643135

AP Exhaust Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 643135

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 54.63 in. Overall Length, Buick, Each

Part Number: APH-643135

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 674-854

Dorman Direct-Fit Manifold Catalytic Converters 674-854

Dorman Direct-Fit Manifold Catalytic Converters 674-854

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

Part Number: RNB-674-854

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2012-2016 LACROSSE - 16935

Walker Ultra Direct-Fit Catalytic Converters for 2012-2016 LACROSSE - 16935

Walker Ultra Direct-Fit Catalytic Converters for 2012-2016 LACROSSE - 16935

Ultra EPA Catalytic Converter

Part Number: WLK-16935

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Catco Federal/EPA Direct-Fit Catalytic Converters for 2018-2024 ENCLAVE, 2018-2023 TRAVERSE - 5372

Made in the USA Catco Federal/EPA Direct-Fit Catalytic Converters for 2018-2024 ENCLAVE, 2018-2023 TRAVERSE - 5372

Catco Federal/EPA Direct-Fit Catalytic Converters for 2018-2024 ENCLAVE, 2018-2023 TRAVERSE - 5372

Catalytic Converter, Federal / EPA Catalytic Converter - Direct Fit

Part Number: CTO-5372

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2017-2019 ACADIA, 2018-2024 ENCLAVE, 2018-2023 TRAVERSE - 644166

Made in the USA AP Exhaust Direct-Fit Catalytic Converters for 2017-2019 ACADIA, 2018-2024 ENCLAVE, 2018-2023 TRAVERSE - 644166

AP Exhaust Direct-Fit Catalytic Converters for 2017-2019 ACADIA, 2018-2024 ENCLAVE, 2018-2023 TRAVERSE - 644166

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Stainless Steel Case, 17.00 in. Overall Length, Front Left, Buick, Chevrolet, GMC, Each

Part Number: APH-644166

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Catco Federal/EPA Direct-Fit Catalytic Converters 5241

Made in the USA Catco Federal/EPA Direct-Fit Catalytic Converters 5241

Catco Federal/EPA Direct-Fit Catalytic Converters 5241

Catalytic Converter 08-15 6 Cyl 3.6L Engine, Front Right

Part Number: CTO-5241

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Catco Direct-Fit Catalytic Converters 1495

Made in the USA Catco Direct-Fit Catalytic Converters 1495

Catco Direct-Fit Catalytic Converters 1495

Catalytic Converter, Direct Fit, Stainless Steel, 12.50 in. Length, Chevy, Each

Part Number: CTO-1495

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2012-2017 VERANO - 644093

Made in the USA AP Exhaust Direct-Fit Catalytic Converters for 2012-2017 VERANO - 644093

AP Exhaust Direct-Fit Catalytic Converters for 2012-2017 VERANO - 644093

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 38.00 in. Overall Length, Buick, Each

Part Number: APH-644093

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters 645288

Made in the USA AP Exhaust Direct-Fit Catalytic Converters 645288

AP Exhaust Direct-Fit Catalytic Converters 645288

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.58 in. Slip Fit Outlet, 20.00 in. Overall Length, Buick, Cadillac, Pontiac, Each

Part Number: APH-645288

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Walker Super Converters 15042

Walker Super Converters 15042

Walker Super Converters 15042

Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, Each

Part Number: WLK-15042

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converters 21-420

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converters 21-420

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converters 21-420

Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Chevy, 2.0L, Each

Part Number: MPE-21-420

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

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

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

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: Tomorrow

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Estimated Ship Date: Tomorrow

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