Availability
Showing In Stock Items. Show All 37 Items.
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: Oct 15, 2025 if ordered today
Estimated Ship Date: Oct 15, 2025 if ordered today
Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Each
Part Number: CTO-5070
Not Yet Reviewed
Estimated Ship Date: Oct 10, 2025 if ordered today
Estimated Ship Date: Oct 10, 2025 if ordered today
Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, Ceramic Honeycomb Substrate, 55.25 in. Length, Buick, Chevy, Each
Part Number: APH-643138
Not Yet Reviewed
Estimated Ship Date: Oct 14, 2025 if ordered today
Estimated Ship Date: Oct 14, 2025 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 10.50 in. Overall Length, Front Right, Buick, 3.6L, Each
Part Number: APH-644143
Not Yet Reviewed
Estimated Ship Date: Oct 14, 2025 if ordered today
Estimated Ship Date: Oct 14, 2025 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 36.00 in. Length, Buick, Chevrolet, Pontiac, 5.3L, Each
Part Number: APH-642101
Not Yet Reviewed
Estimated Ship Date: Oct 14, 2025 if ordered today
Estimated Ship Date: Oct 14, 2025 if ordered today
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: Oct 16, 2025 if ordered today
Estimated Ship Date: Oct 16, 2025 if ordered today
Preconverter
Part Number: RNB-679-543
Not Yet Reviewed
Estimated Ship Date: Oct 16, 2025 if ordered today
Estimated Ship Date: Oct 16, 2025 if ordered today
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: Oct 15, 2025 if ordered today
Estimated Ship Date: Oct 15, 2025 if ordered today
Catalytic Converter with Integrated Exhaust Manifold, Manifold Preconverter
Part Number: RNB-674-484
Not Yet Reviewed
Estimated Ship Date: Oct 16, 2025 if ordered today
Estimated Ship Date: Oct 16, 2025 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Stainless Steel Case, 33.00 in. Overall Length, Buick, 3.6L, Each
Part Number: APH-644064
Not Yet Reviewed
Estimated Ship Date: Oct 14, 2025 if ordered today
Estimated Ship Date: Oct 14, 2025 if ordered today
Catalytic Converter 10-11 6 Cyl. Buick LaCrosse, 3.6L Engine, Front Right
Part Number: CTO-5349
Not Yet Reviewed
Estimated Ship Date: Oct 10, 2025 if ordered today
Estimated Ship Date: Oct 10, 2025 if ordered today
Preconverter
Part Number: RNB-679-542
Not Yet Reviewed
Estimated Ship Date: Oct 15, 2025 if ordered today
Estimated Ship Date: Oct 15, 2025 if ordered today
Catalytic Converter, Walker CalCat Direct Fit Converter
Part Number: WLK-84355
Not Yet Reviewed
Estimated Ship Date: Oct 17, 2025 if ordered today
Estimated Ship Date: Oct 17, 2025 if ordered today
Ultra EPA Catalytic Converter
Part Number: WLK-14797
Not Yet Reviewed
Estimated Ship Date: Oct 17, 2025 if ordered today
Estimated Ship Date: Oct 17, 2025 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 12.75 in. Overall Length, Front Right, Buick, Each
Part Number: APH-641445
Not Yet Reviewed
Estimated Ship Date: Oct 14, 2025 if ordered today
Estimated Ship Date: Oct 14, 2025 if ordered today
EPA OBDII Direct Fit Converter
Part Number: CTO-1345
Not Yet Reviewed
Estimated Ship Date: Oct 10, 2025 if ordered today
Estimated Ship Date: Oct 10, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, Stainless Steel, Buick, 3.0L, Passenger Side Front, Each
Part Number: MPE-52001
Not Yet Reviewed
Estimated Ship Date: Oct 15, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Oct 15, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter Conv DF 2010-2012 LaCrosse V6 3 3.6 OEM Underbody
Part Number: MPE-52417
Not Yet Reviewed
Estimated Ship Date: Oct 15, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Oct 15, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Rear Position, 38.125 in. Overall Length, Buick, 2.4L, Each
Part Number: MPE-21-177
Not Yet Reviewed
Estimated Ship Date: Oct 15, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Oct 15, 2025 if ordered today
Catalytic Converter 14-16 6 Cyl. 3.6L Engine, FWD, PZEV Emissions, Front Left
Part Number: CTO-1376
Not Yet Reviewed
Estimated Ship Date: Oct 10, 2025 if ordered today
Estimated Ship Date: Oct 10, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, Stainless Steel Case, Buick, Each
Part Number: MPE-52896
Not Yet Reviewed
Estimated Ship Date: Oct 15, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Oct 15, 2025 if ordered today
Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, 57.00 in. Overall Length, Rear, Buick, Cadillac, 3.6L, Each
Part Number: APH-644103
Not Yet Reviewed
Estimated Ship Date: Oct 14, 2025 if ordered today
Estimated Ship Date: Oct 14, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter Conv DF 13-14 LaCrosse 3.6 CC
Part Number: MPE-52594
Not Yet Reviewed
Estimated Ship Date: Oct 16, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Oct 16, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Front Position, 10.625 in. Overall Length, Buick, 2.4L, Each
Part Number: MPE-52909
Not Yet Reviewed
Estimated Ship Date: Oct 16, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Oct 16, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 11.125 in. Length, Each
Part Number: MPE-5411305
Not Yet Reviewed
Estimated Ship Date: Oct 16, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Oct 16, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.