Walker 16648 Catalytic Converter - Rear

Walker EPA Direct-Fit Catalytic Converter

Walker EPA 16648 is a direct-fit catalytic converter built for specific vehicle applications and engineered to meet EPA standards. It is designed for OBDII-era import and domestic vehicles, with a stainless steel body and ceramic substrate for dependable exhaust treatment on the listed applications.

For fitment-focused searches, this part is a direct-fit catalytic converter for 2009-2013 Kia Forte, 2010-2013 Kia Forte Koup, 2009-2010 Hyundai Sonata, 2009-2010 Kia Optima, and 2009-2010 Kia Rondo with the specified emission systems. The Walker EPA line focuses on EPA-compliant replacement coverage for federal-emissions vehicles.

Key Features

• Direct-fit design for specific applications
• EPA-compliant replacement converter for OBDII vehicles
• Stainless steel body with ceramic substrate
• Round body shape with underbody converter position
• 2-bolt welded flange inlet and outlet connections
• Midbed oxygen sensor location
• Specific fitment for listed Kia and Hyundai models
• Walker part number 16648

Product Details

Walker 16648 is a regular-grade catalytic converter with a round stainless steel body measuring 4 inches high, 14 inches long, and 4 inches wide, with an overall length of 17.25 inches. It uses a 2.500-inch inlet outside diameter and a 2.25-inch outlet outside diameter, both with 2-bolt welded flange connections. This configuration supports direct replacement on the listed rear or underbody applications, depending on vehicle setup.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Failed catalytic converter efficiency codes
• Exhaust restriction from a damaged converter core
• Emissions test failures on listed federal-emissions vehicles
• Exhaust leaks at the converter connection points
• Replacement needs after converter substrate deterioration

Installation Notes

Compatible With 2010-2013 Kia Forte, rear, with Federal Emission System. Compatible With 2010-2013 Kia Forte, N/A, with Federal Emission System. Compatible With 2010-2013 Kia Forte Koup, N/A, with Federal Emission System. Compatible With 2009-2010 Hyundai Sonata, N/A, with Federal Emission System. Compatible With 2009-2010 Kia Optima, N/A, Fits Fed. & Calif. Emission Models. Compatible With 2009-2010 Kia Rondo, N/A, Fits Fed. & Calif. Emission Models.

An exhaust gasket is recommended, and additional parts are listed as needed to complete installation: 31640 and 31537. Verify emission-system requirements before ordering, since this converter is not legal for sale or use in California and other CARB-compliant states. It is legal in New York and Maine on EPA Federal Emission Equipped Vehicles only.

Quality Assurance

Walker EPA Ultra Direct-Fit Catalytic Converters are built to comply with EPA standards while providing a direct-fit replacement format for the listed applications. The Walker EPA product line is positioned for federal-emissions coverage on import and domestic OBDII vehicles.