Walker 16797 Catalytic Converter with Integrated Exhaust Manifold - Front

Walker EPA Catalytic Converter Manifold

Walker EPA Part Number 16797 is a catalytic converter with integrated exhaust manifold for select Fiat 500 front applications. Built with a stainless steel body and ceramic substrate, it is designed for OBDII vehicles and EPA emissions requirements while maintaining the correct exhaust layout for the application.

The Walker EPA line focuses on emissions-compliant replacement parts for import and domestic vehicles. This manifold converter follows that approach with an integrated design, pre- and post-catalyst oxygen sensor locations, and the fitment details needed for 2012-2017 Fiat 500 front exhaust service.

Key Features

• Walker EPA Part Number 16797
• Catalytic converter with integrated exhaust manifold
• Stainless steel converter body and stainless steel material construction
• Ceramic substrate material
• 9-bolt welded flange inlet and 2-bolt welded flange outlet
• Pre- and post-catalyst oxygen sensor locations
• Mounting hardware included
• Fits 2017 Fiat 500, front
• Fits 2012-2016 Fiat 500, front

Detailed Description

Walker 16797 is built for front exhaust applications on the Fiat 500 and combines the catalytic converter and exhaust manifold into one assembly. The round stainless steel converter body measures 5.25 inches in body length with an overall length of 23.23 inches, and the inlet uses an oval port with a 9-bolt welded flange while the outlet uses a round port with a 2-bolt welded flange. This configuration supports direct replacement service where the original manifold converter design is required.

For buyers searching for a 2012-2017 Fiat 500 catalytic converter manifold, Walker 16797 provides the correct EPA-compliant replacement format for the listed front-position vehicles. This part cross-references 22-059 and 22-060 for the same application.

Common Problems This Part Addresses

• Failed catalytic converter efficiency codes
• Exhaust leaks at the manifold or flange connection
• Cracked or deteriorated integrated manifold converter assembly
• Check engine light concerns related to pre- or post-catalyst sensor readings
• Emissions test failure on the listed Fiat 500 applications

Installation Notes

Fits 2017 Fiat 500, front. Fits 2012-2016 Fiat 500, front. Exhaust gasket is recommended, and additional part 31310 is needed to complete installation on the listed 2012-2016 Fiat 500 EPA applications. Verify flange style, oxygen sensor locations, and emission requirements before installation. This part is not CARB certified and is not legal for sale or use in California and other CARB-compliant states for the 2012-2016 Fiat 500 applications noted in the fitment data.

Quality Assurance

Walker EPA converters are engineered to meet EPA emissions requirements for the listed OBDII applications. Part 16797 uses a stainless steel body with a ceramic substrate and is built for the specified Fiat 500 fitment and exhaust configuration.