Walker 16978 Catalytic Converter

Overview

Walker EPA 16978 is a specific-fit catalytic converter built for OBDII vehicles and engineered to meet EPA standards. It is a direct-fit exhaust replacement for select Ford Super Duty applications, with an oval body and pipe connection outlet for a precise installation profile.

Compatible With 2015-2019 Ford E-350 Super Duty and 2015-2019 Ford E-450 Super Duty, this catalytic converter is built around the ECO III catalyst type and premium-grade construction. The Walker EPA 16978 part number is also useful when cross-checking exhaust replacement needs for these Ford E-Series applications.

Key Features

• Specific-fit catalytic converter for select OBDII vehicles.
• EPA-compliant design for emissions system replacement.
• Oval body shape with a pipe connection outlet.
• Two inlet configuration with four sensor ports.
• ECO III catalyst type for premium replacement performance.
• Outlet hardware is included; inlet hardware is not.

Detailed Description

Walker EPA 16978 is a direct-fit catalytic converter designed for 2015-2019 Ford E-350 Super Duty and 2015-2019 Ford E-450 Super Duty applications. The oval converter body measures 12.000 inches long, 5.000 inches wide, and 4.000 inches high, and the dual-inlet layout with a 2-bolt loose flange and spherical flare supports a vehicle-specific exhaust connection. With four O2 sensor ports and an ECO III catalyst design, this unit is built to restore proper exhaust flow and emissions-system function in the Ford E-350 Super Duty and Ford E-450 Super Duty. The Walker EPA 16978 part number helps confirm the correct exhaust converter when matching the application.

This part cross-references AP Exhaust 645152 for the same application.

What It Is Used For

• Replacing a worn or failed catalytic converter.
• Addressing emissions-related exhaust system faults.
• Restoring proper exhaust routing and sensor-port configuration.
• Correcting fitment issues caused by an incorrect converter shape or connection style.
• Supporting EPA-compliant exhaust system service on select Ford Super Duty vans.

Installation Notes

Verify the vehicle application, sensor-port count, and inlet connection style before installation. This converter uses a specific-fit design, so matching the exhaust layout and O2 sensor locations is important for proper installation. Outlet hardware is listed as included; inlet hardware is not listed as included.

Quality Assurance

Walker Ultra Direct-Fit Catalytic Converters are positioned as premium replacement parts for import and domestic OBDII vehicles and are designed to comply with EPA standards.