Dorman 674-078 Catalytic Converter

Overview of Dorman 674-078 Catalytic Converter for Ford Fusion and Lincoln MKZ

The Dorman 674-078 catalytic converter is designed specifically for select Ford Fusion and Lincoln MKZ models. Engineered with a stainless steel body and ceramic substrate, this catalytic converter helps reduce harmful emissions while maintaining exhaust flow efficiency.

• Specific fit for Ford Fusion and Lincoln MKZ vehicles
• Stainless steel cylindrical body with attached heat shield
• Flanged inlet and outlet connections for secure mounting
• Includes inlet and outlet gaskets and mounting hardware
• Equipped with two sensor ports for oxygen sensors
• Overall length of 27.75 inches with a 6-inch body length and width

Detailed Product Features and Specifications

This Dorman catalytic converter features a cylinder-shaped stainless steel body that provides durability and corrosion resistance. The inlet and outlet are both flanged, with an inlet inside diameter of 2.75 inches and an outlet inside diameter of 2.375 inches, ensuring a precise fit. The outlet outside diameter measures 3.125 inches. The converter includes a heat shield to protect surrounding components from excessive heat. It is designed with a ceramic substrate to effectively convert exhaust gases. Two sensor ports allow for proper oxygen sensor installation, critical for engine management and emissions control.

Compatible Vehicles and Applications

This catalytic converter is specifically compatible with Ford Fusion and Lincoln MKZ models, providing a direct replacement solution for these vehicles. It is intended for use in exhaust systems requiring a flanged inlet and outlet connection and is not CARB certified, so it may not be suitable for all emissions regulations.

• Replacement for damaged or clogged catalytic converters
• Restores proper exhaust flow and emissions control
• Helps resolve check engine light issues related to catalytic converter failure
• Reduces harmful exhaust emissions to meet factory standards
• Prevents exhaust leaks and improves engine performance

Installation Notes and Tips

Installation requires proper alignment of the flanged inlet and outlet connections. The included inlet and outlet gaskets and mounting hardware facilitate a secure and leak-free fit. Ensure oxygen sensors are correctly installed in the two sensor ports to maintain engine performance and emissions compliance. Professional installation is recommended to verify proper fitment and function.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. This catalytic converter is constructed with durable stainless steel and a ceramic substrate for long-lasting performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Verify warranty coverage with the supplier or manufacturer documentation.