Eastern Convertors 41221 Catalytic Converter with Integrated Exhaust Manifold - Front

Direct-Fit Manifold Converter for Toyota

Eastern Convertors 41221 is a Federal / EPA direct-fit catalytic converter with integrated exhaust manifold for front-position applications. It is built with an ECO III catalyst and includes the inlet and outlet gaskets needed for the listed applications, making it a practical replacement for emissions-related exhaust service on select Toyota models.

Key Features

• Federal / EPA direct-fit manifold converter
• Integrated exhaust manifold design for front installation
• ECO III catalyst type
• Inlet gasket included; 2 inlet gaskets listed
• Outlet gasket included; outlet hardware included
• 5-bolt welded flange inlet and 2-bolt welded flange outlet
• 1 O2 sensor port
• Part number: 41221

Fitment Details

• Fits 2020-2022 Toyota Corolla, front; Federal and California Emissions; Direct Fit Converter w/ Manifold
• Fits 2016-2022 Toyota Prius, front; Federal and California Emissions; Direct Fit Converter w/ Manifold
• Fits 2019-2022 Toyota Prius AWD-e, front; Federal and California Emissions; Direct Fit Converter w/ Manifold
• Fits 2017-2022 Toyota Prius Prime, front; Federal and California Emissions; Direct Fit Converter w/ Manifold

What This Part Helps Address

• Failed catalytic converter efficiency codes
• Exhaust leaks at the manifold or flange connection
• Damaged or rusted integrated manifold converter assembly
• Emissions test failures related to converter performance
• Check engine light concerns tied to O2 sensor or catalyst faults

Installation Notes

Verify the vehicle’s emissions configuration and front exhaust layout before ordering. This converter uses a 5-bolt welded flange inlet, a 2-bolt welded flange outlet, and one O2 sensor port, so matching the original exhaust connection points is important for proper installation. Part number 41221 is listed for front-position Toyota Corolla, Prius, Prius AWD-e, and Prius Prime applications.

Quality Assurance

Eastern Convertors 41221 is a Federal / EPA direct-fit manifold converter built for the listed Toyota applications. The ECO III catalyst specification and included gaskets support a direct replacement approach for front exhaust service on Toyota Corolla and Prius-family models.