GMC K2500 Suburban Catalytic Converters
This page brings together catalytic converters for the GMC K2500 Suburban, covering model years 1979–1999. The range includes direct-fit and universal styles, as well as manifold and OE replacement pieces, so there are options across the full span of these trucks. Select your year above and we'll show only the catalytic converters that fit your GMC K2500 Suburban. Fitment is checked against our vehicle data for every part listed.
MagnaFlow 339109 California Universal Catalytic Converter 3in. CARB Compliant
Magnaflow 4451304 Universal Catalytic Converter 2.00 Inch Inlet/Outlet
MagnaFlow 93506 Standard Grade Universal Catalytic Converter 2.5in Inlet/Outlet Federal EPA Compliant
Magnaflow 95509 Universal Catalytic Converter 3.00 Inch Inlet/Outlet
Magnaflow 333009 Universal Catalytic Converter 3.00 Inch Inlet/Outlet
Magnaflow 54955 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Magnaflow 94047 Universal Catalytic Converter Inlet Outlet - 2-Inch 3-Inch
Magnaflow 99647HM HM Grade Universal Catalytic Converter 3 Inch Outlet Dual 2 Inch Inlet
Magnaflow 3391006 Universal Catalytic Converter 2.50 Inch Inlet/Outlet
What's here for your GMC K2500 Suburban
- Direct-fit catalytic converters sized and positioned to match factory exhaust routing
- Universal catalytic converters for custom or modified exhaust setups
- Manifold catalytic converters that mount close to the engine
- OE replacement catalytic converters designed to match original specifications
The widest selection here comes from AP Exhaust, Magnaflow, Walker Exhaust and Catco, each offering a range of converter styles and fitments across the 1979–1999 GMC K2500 Suburban model years. Other categories GMC K2500 Suburban owners shop for: GMC K2500 Suburban HVAC Hoses and Pipes, GMC K2500 Suburban Brake Hardware and GMC K2500 Suburban Shocks and Struts, or browse all GMC K2500 Suburban parts and accessories.