Dorman 679-509 Catalytic Converter - Front Left

Overview of Dorman 679-509 Catalytic Converter for Nissan and Infiniti

The Dorman 679-509 catalytic converter is designed specifically for select Nissan and Infiniti models, including the Pathfinder and QX4. Engineered with a stainless steel body and ceramic substrate, this catalytic converter ensures reliable exhaust emission control tailored to your vehicle's specifications.

• Specific fit for Nissan Pathfinder and Infiniti QX4 models
• Durable stainless steel cylindrical body with a 4-inch length
• Flanged inlet and outlet connections for secure installation
• Includes inlet and outlet gaskets and mounting hardware
• Ceramic substrate for effective catalytic conversion
• Overall length of 8.6 inches with precise inlet and outlet diameters

Detailed Product Features and Specifications

This Dorman catalytic converter features a cylindrical stainless steel body measuring 4 inches in length and 3.89 inches in width, providing a robust and corrosion-resistant housing. The inlet and outlet are both flanged, with the inlet inside diameter at 3.47 inches and the outlet outside diameter at 3.4 inches, ensuring a precise fit to the exhaust system. The converter includes one inlet and one outlet, each with three mounting holes, and comes with inlet and outlet gaskets to facilitate a proper seal. The ceramic substrate inside the converter is designed to reduce harmful emissions effectively, although this part is not CARB certified. The converter does not include a heat shield and has no sensor ports, making it suitable for vehicles without oxygen sensor requirements at this location.

Compatible Vehicles and Common Applications

• Replacement catalytic converter for Nissan Pathfinder models
• Compatible with Infiniti QX4 exhaust systems
• Addresses issues related to exhaust emissions and catalytic efficiency
• Suitable for vehicles requiring a specific fit catalytic converter with flanged connections

Installation Notes and Tips

When installing the Dorman 679-509 catalytic converter, ensure the flanged inlet and outlet align correctly with the vehicle’s exhaust manifold and downstream piping. The included gaskets and mounting hardware should be used to achieve a secure and leak-free connection. Verify that the mounting holes correspond to the vehicle’s exhaust flange pattern. Since this converter does not have a heat shield or sensor ports, confirm compatibility with your vehicle’s sensor setup before installation.

Quality Assurance and Warranty Information

Dorman manufactures this catalytic converter with quality stainless steel materials and a ceramic substrate to meet regular grade standards. While this part is not CARB certified, it is engineered to meet OEM fitment requirements for the Nissan Pathfinder and Infiniti QX4. Warranty details should be confirmed with the distributor or manufacturer, as coverage may vary.