Dorman 679-517 Catalytic Converter - Rear

Overview of Dorman 679-517 Catalytic Converter

The Dorman 679-517 catalytic converter is designed specifically for Nissan Altima, Maxima, and Quest models. Engineered with a stainless steel body and ceramic substrate, this catalytic converter ensures reliable exhaust emission control and durability.

• Specific fit for Nissan Altima, Maxima, and Quest
• Stainless steel cylindrical body for corrosion resistance
• Flanged inlet and outlet connections for secure installation
• Ceramic substrate for effective catalytic conversion
• Includes inlet and outlet gaskets and mounting hardware
• Standard replacement grade type
• Body dimensions: 4 inches length, 3.88 inches width, 9.25 inches overall length

Detailed Product Description

The Dorman 679-517 catalytic converter features a cylinder-shaped stainless steel body that provides durability and resistance to corrosion under high-temperature exhaust conditions. It has a flanged inlet and outlet, each with multiple mounting holes (inlet with 6 holes, outlet with 3 holes), ensuring a secure and precise fit. The inlet inside diameter measures 3.48 inches, while the outlet outside diameter is 3.7 inches, matching the exhaust system specifications of Nissan Altima, Maxima, and Quest vehicles. The ceramic substrate inside the converter facilitates the chemical reactions necessary to reduce harmful emissions effectively. This part is a standard replacement grade, designed to meet the original equipment specifications without CARB certification.

Compatible Vehicles and Applications

This catalytic converter is compatible with the following Nissan models:

• Nissan Altima
• Nissan Maxima
• Nissan Quest

It is intended for use in exhaust systems requiring a specific fit catalytic converter with flanged inlet and outlet connections. The Dorman 679-517 is suitable for replacing worn or damaged catalytic converters that cause exhaust leaks, poor emissions performance, or check engine light issues.

Common Issues Addressed by This Catalytic Converter

• Excessive exhaust emissions and failed emissions tests
• Reduced engine performance due to clogged or damaged converter
• Check engine light triggered by catalytic converter efficiency codes
• Exhaust leaks causing noise and potential safety hazards
• Corrosion or physical damage to the original catalytic converter

Installation Notes and Tips

Installation requires proper alignment of the flanged inlet and outlet connections with the vehicle’s exhaust system. The included inlet and outlet gaskets and mounting hardware should be used to ensure a secure, leak-free fit. It is recommended to inspect the exhaust manifold and downstream components for damage or corrosion before installation. Professional installation is advised to ensure compliance with vehicle emission standards and proper torque specifications.

Quality Assurance and Warranty

The Dorman 679-517 catalytic converter is manufactured to meet standard replacement grade requirements, ensuring compatibility and performance consistent with original equipment. While this part is not CARB certified, it is constructed with durable stainless steel and a ceramic substrate for long-lasting service. Warranty coverage details should be confirmed with the product provider or manufacturer.