Walker 14769 Catalytic Converter - Front

Direct-Fit EPA Catalytic Converter

Walker EPA 14769 is a specific-fit catalytic converter for select OBDII vehicles, built to meet EPA standards while delivering premium performance. It is engineered for the front position on the Nissan Altima and uses a direct-fit layout for straightforward replacement.

• Specific-fit design for cleaner replacement and proper alignment.
• Stainless steel body with a steel tube for corrosion resistance and durability.
• Ceramic substrate and ECO III catalyst type for emissions control.
• Round body shape with welded 4-bolt inlet and 2-bolt outlet flanges.
• Heat shield attached to help manage exhaust heat.
• Includes inlet and outlet gaskets and mounting hardware.
• Two oxygen sensor ports with pre- and post-converter sensor locations.

Fitment and Application

Fits 2019-2021 Nissan Altima, front. This Walker 14769 catalytic converter is a direct-fit replacement for the front exhaust position on the Nissan Altima within the listed EPA application.

Walker EPA 14769 is part of the Ultra Direct-Fit Catalytic Converter line, which focuses on application-specific exhaust replacement for import and domestic OBDII vehicles. The design combines a stainless steel body, welded flange connections, and integrated heat shielding to match the needs of a precise exhaust repair.

This part cross-references Monroe Shocks & Struts (e.g., 208A29HE0C, 290058) for the same application.

Common Issues It Can Address

• Failed emissions testing from a worn or inefficient catalyst.
• Check engine light concerns related to catalyst efficiency.
• Exhaust leaks at the converter flange connections.
• Heat damage or deterioration around the converter body.
• Sensor-related exhaust service needs at pre- and post-converter locations.

Installation Notes

Verify the vehicle’s EPA application, flange style, and oxygen sensor port layout before installation. Confirm the front position, gasket interfaces, and sensor locations match the existing exhaust configuration on the Nissan Altima.

Quality Assurance

Walker designs this converter to comply with EPA standards for OBDII applications. The Ultra Direct-Fit line is built for application-specific exhaust replacement with premium-grade materials and direct-fit construction.