Dorman 679-522 Catalytic Converter - Rear

Overview of Dorman 679-522 Catalytic Converter for Nissan Maxima

The Dorman 679-522 catalytic converter is designed specifically for Nissan Maxima models, providing a reliable replacement part that meets standard exhaust requirements. Engineered with a stainless steel body and ceramic substrate, this converter ensures durability and effective emission control.

• Specific fit for Nissan Maxima exhaust systems
• Stainless steel cylindrical body with a 4-inch length and 6-inch width
• Flanged inlet and outlet connections for secure installation
• Includes heat shield for added protection
• Ceramic substrate material for efficient catalytic conversion
• Equipped with one sensor port and two air tubes
• Inlet and outlet gaskets included for proper sealing
• Standard replacement grade type

Detailed Product Features and Specifications

The Dorman 679-522 catalytic converter features a cylinder-shaped stainless steel body measuring 4 inches in length and 6 inches in width, designed to fit precisely on Nissan Maxima exhaust manifolds. The inlet and outlet both use flanged connections, with the inlet inside diameter at 2.69 inches and the outlet inside diameter at 2 inches, ensuring compatibility with the vehicle's exhaust piping. This converter includes a heat shield to protect surrounding components from excessive heat. The ceramic substrate inside the converter facilitates the chemical reactions necessary to reduce harmful emissions. Additionally, the unit has one sensor port and two air tubes to maintain proper exhaust monitoring and flow.

Applications and Common Issues Addressed

• Replacement for damaged or clogged catalytic converters on Nissan Maxima
• Helps resolve check engine light issues related to exhaust emissions
• Restores proper exhaust flow and reduces harmful emissions
• Addresses rattling noises caused by broken internal substrate
• Improves vehicle emissions compliance (note: not CARB certified)

Installation Notes and Tips

Installation of the Dorman 679-522 catalytic converter requires proper alignment of the flanged inlet and outlet connections. The included inlet and outlet gaskets should be used to ensure a secure, leak-free seal. Note that inlet mounting hardware is not included, so existing bolts or new hardware may be necessary. The heat shield should be positioned correctly to protect adjacent components from heat exposure. It is recommended to verify sensor port alignment for oxygen sensor installation during replacement.

Quality Assurance and Warranty

This catalytic converter is manufactured with standard replacement grade materials, including a durable stainless steel body and ceramic substrate. While it is not California Air Resources Board (CARB) certified, it meets regular emission control standards for Nissan Maxima vehicles. Dorman provides quality assurance through rigorous manufacturing processes, though specific warranty details should be confirmed at the point of purchase.