Buick Roadmaster Catalytic Converters
Catalytic converters for the Buick Roadmaster span model years 1950–1996, with options ranging from direct-fit OE replacements to universal units suited to a variety of configurations. Pick your Buick Roadmaster's year above to narrow the list to catalytic converters with confirmed fitment. Every part shown is checked against our vehicle data.
Magnaflow 418004 Universal Catalytic Converter 2.00 Inch Inlet/Outlet
Magnaflow 94005 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Magnaflow 408005 Universal Catalytic Converter 2.25 Inch Inlet Outlet
Magnaflow 60112 OEM Grade Universal Diesel Oxidation Catalyst 5.00in.
Magnaflow 408004 Universal Catalytic Converter 2.00 Inch Inlet/Outlet
Magnaflow 99174HM Universal Catalytic Converter HM Grade Federal EPA 2.00 Inch
Magnaflow 418005 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Magnaflow 448305 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Representative Photo, actual item may vary
AP Exhaust 649010 Federal/EPA DPF and DOC Assembly Direct Fit Diesel Particulate Filter
Catco 2756R Federal/EPA Universal OBDII Select+Plus Tech Series Catalytic Converter
Dorman 674-9041 Diesel Particulate Filter (DPF) Gasket Kit HD Solutions
AP Exhaust 608294 Universal OBDII Federal/EPA Catalytic Converter 2" Inlet/Outlet
AP Exhaust 608756 Universal OBD II Select+Plus Tech Series Federal/EPA Catalytic Converter
What's here for your Buick Roadmaster
- Direct-fit catalytic converters designed to match original mounting and connection points
- Universal catalytic converters offering flexible installation across a range of exhaust setups
- OE replacement units built to restore the original exhaust configuration
The widest selection of Buick Roadmaster catalytic converters here comes from AP Exhaust, Magnaflow, Walker Exhaust, and Bosal, covering a broad span of model years and fitment styles. Other categories Buick Roadmaster owners shop for: Buick Roadmaster Springs and Suspension Parts, Buick Roadmaster Shocks and Struts and Buick Roadmaster Exhaust Hardware, or browse all Buick Roadmaster parts and accessories.