Filters

  • In Stock
  • Section
  • Brand
  • Universal
  • Make/Model
  • Make/Engine
  • Drivetrain
  • Inlet Quantity
  • Inlet Diameter (in.)
  • Converter Inlet Attachment
  • Outlet Quantity
  • Outlet Diameter (in.)
  • Converter Outlet Attachment
  • Price Range
  • Filter Options
  • Savings Central

Selected Filters

Filter Results by Vehicle

Loading...

Availability

  • Filters

  • Section
  • Brand
  • Universal
  • Make/Model
  • Make/Engine
  • Drivetrain
  • Inlet Quantity
  • Inlet Diameter (in.)
  • Converter Inlet Attachment
  • Outlet Quantity
  • Outlet Diameter (in.)
  • Converter Outlet Attachment
  • Price Range
  • Filter Options
  • Savings Central

BUICK Catalytic Converters

Showing In Stock Items. Show All 24 Items.

Individual Parts
Part Groups

Results 1 - 14 of 14

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: Apr 1, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 1, 2026 if ordered today

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

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

AP Exhaust Direct-Fit Catalytic Converters for 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: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 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: Apr 1, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 1, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2010-2015 LACROSSE, 2013-2019 XTS - 52001

MagnaFlow Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2010-2015 LACROSSE, 2013-2019 XTS - 52001

MagnaFlow Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2010-2015 LACROSSE, 2013-2019 XTS - 52001

Catalytic Converter, Stainless Steel, Buick, 3.0L, Passenger Side Front, Each

Part Number: MPE-52001

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 52300

MagnaFlow Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 52300

MagnaFlow Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 52300

Catalytic Converters Conv DF 2010-2011 LaCrosse 3.6 L Underbody

Part Number: MPE-52300

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2010 LACROSSE - 52002

MagnaFlow Direct-Fit Catalytic Converters for 2010 LACROSSE - 52002

MagnaFlow Direct-Fit Catalytic Converters for 2010 LACROSSE - 52002

Catalytic Converter, Stainless Steel, Buick, 3.0L, Driver Side Front, Each

Part Number: MPE-52002

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 641444

Made in the USA AP Exhaust Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 641444

AP Exhaust Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 641444

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Front Left, Buick, Each

Part Number: APH-641444

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 1344

Made in the USA Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 1344

Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 1344

EPA OBDII Direct Fit Converter

Part Number: CTO-1344

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 31, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters 644034

Made in the USA AP Exhaust Direct-Fit Catalytic Converters 644034

AP Exhaust Direct-Fit Catalytic Converters 644034

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 14.25 in. Overall Length, Buick, Chevrolet, GMC, Saturn, Each

Part Number: APH-644034

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 16872

Walker Ultra Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 16872

Walker Ultra Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 16872

Ultra EPA Catalytic Converter

Part Number: WLK-16872

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 9, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 641564

Made in the USA AP Exhaust Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 641564

AP Exhaust Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 641564

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 13.00 in. Overall Length, Front Left, Buick, 3.6L, Each

Part Number: APH-641564

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2014-2018 IMPALA, 2012-2016 LACROSSE, 2013-2016 XTS - 641476

Made in the USA AP Exhaust Direct-Fit Catalytic Converters for 2014-2018 IMPALA, 2012-2016 LACROSSE, 2013-2016 XTS - 641476

AP Exhaust Direct-Fit Catalytic Converters for 2014-2018 IMPALA, 2012-2016 LACROSSE, 2013-2016 XTS - 641476

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 16.00 in. Overall Length, Front Left, Buick, Cadillac, Chevrolet, Each

Part Number: APH-641476

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 1468

Made in the USA Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 1468

Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 1468

Catalytic Converter, EPA OBDII direct fit catalytic converter

Part Number: CTO-1468

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 2, 2026 if ordered today

Catco Federal/EPA Direct-Fit Catalytic Converters for 2014-2018 IMPALA, 2012-2016 LACROSSE, 2013-2016 XTS - 1376

Made in the USA Catco Federal/EPA Direct-Fit Catalytic Converters for 2014-2018 IMPALA, 2012-2016 LACROSSE, 2013-2016 XTS - 1376

Catco Federal/EPA Direct-Fit Catalytic Converters for 2014-2018 IMPALA, 2012-2016 LACROSSE, 2013-2016 XTS - 1376

Catalytic Converter 14-16 6 Cyl. 3.6L Engine, FWD, PZEV Emissions, Front Left

Part Number: CTO-1376

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 2, 2026 if ordered today

  • 1
  • Page 1 of 1