Availability
BUICK Catalytic Converters
Showing In Stock Items. Show All 55 Items.
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 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: MPE-93496
Estimated Ship Date: Today
Estimated Ship Date: Today
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 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Chevy, 2.0L, Each
Part Number: MPE-21-420
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Stainless Steel, Buick, 2.0L, Rear, Each
Part Number: MPE-51707
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Catalytic Converter, California Grade CARB Compliant Direct-Fit Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, Pontiac, Each
Part Number: MPE-3322447
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Pontiac, 3.8L, Each
Part Number: MPE-4481204
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Manifold Converter - CARB Compliant
Part Number: RNB-673-854
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Ultra EPA Catalytic Converter
Part Number: WLK-14764
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2010 LACROSSE - 551402
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2010 LACROSSE - 551402
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Front Right Position, Buick, 3.0L, Each
Part Number: MPE-551402
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2010 LACROSSE - 551401
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2010 LACROSSE - 551401
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Front Left Position, Buick, 3.0L, Each
Part Number: MPE-551401
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, 55.00 in. Overall Length, Buick, Chevrolet, GMC, 5.3L, Each
Part Number: APH-645784
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Catalytic Converter
Part Number: MPE-52301
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Catalytic Converter Conv DF 2010-2012 LaCrosse V6 3 3.6 OEM Underbody
Part Number: MPE-52417
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Catalytic Converter, Cal-Cat Universal, 3.000 in. Slip Fit Inlet, 3.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each
Part Number: WLK-82917
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each
Part Number: WLK-82904
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 13.875 in. Overall Length, Buick, Chevy, Each
Part Number: MPE-551092
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Converter-CalCat-Direct Fit
Part Number: WLK-83450
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 35.5 in. Overall Length, Buick, 2.4L, Each
Part Number: MPE-557914
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
EPA OBDII Direct Fit Converter
Part Number: CTO-9879
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Catalytic Converter, Stainless Steel, Chevy, GMC, 5.3L, Each
Part Number: MPE-49886
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Catalytic Converter, California Grade CARB Compliant Direct-Fit Catalytic Converter, Stainless Steel, Chevy, GMC, Each
Part Number: MPE-3322418
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Catalytic Converters, California Compliant, Direct-Fit
Part Number: MPE-3322431
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 16.000 in. Overall Length, Each
Part Number: MPE-5592306
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 10.75 in. Overall Length, Buick, 2.4L, Each
Part Number: MPE-551909
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
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