Dorman 679-518 Catalytic Converter - Front

Dorman 679-518 Catalytic Converter

Dorman 679-518 is a specific-fit catalytic converter built for direct replacement on select Nissan applications. It is engineered to match original equipment fit and function for the front exhaust position on the 2004 Nissan Quest, 2004-2005 Nissan Maxima, and 2005-2006 Nissan Altima.

Key Features

• Specific-fit replacement for select Nissan front exhaust applications
• Stainless steel body with a ceramic substrate
• Flanged inlet and flanged outlet for OE-style connection points
• Heat shield attached for added thermal protection
• Standard replacement grade for routine exhaust service
• Mounting hardware included for installation support
• Outlet gasket included

Detailed Description

This catalytic converter is built with a cylindrical stainless steel body, a ceramic substrate, and OE-style flanged inlet and outlet connections. The design follows the original equipment fit and function for the listed Nissan Altima, Maxima, and Quest front positions, helping restore proper exhaust flow and emissions system operation. Dorman 679-518 is a direct replacement choice for drivers searching for a catalytic converter for 2005-2006 Nissan Altima front, 2004-2005 Nissan Maxima front, or 2004 Nissan Quest front.

This part cross-references Continental 49296 for the same application.

What It Helps Address

• Failed or restricted front catalytic converter
• Exhaust flow loss caused by a damaged substrate
• Check engine light concerns related to converter performance
• Exhaust leaks at flanged connection points
• Corrosion-related replacement needs in the front exhaust section

Installation Notes and Tips

Verify the vehicle year, make, model, and front position before ordering. Confirm flange alignment, inlet and outlet dimensions, and sensor-port requirements against the original unit, since this converter is listed with zero sensor ports and no air tubes. Use the included gasket and mounting hardware during installation, and inspect adjoining exhaust components for wear before final assembly.

Quality Assurance

Dorman states this catalytic converter is precision-engineered to match original equipment fit and function on specific vehicle years, makes, and models. It is a standard replacement part built for direct-fit service on the listed Nissan applications.