Dorman 673-9591 Catalytic Converter with Integrated Exhaust Manifold

Reliable Catalytic Converter with Integrated Exhaust Manifold

The Dorman 673-9591 catalytic converter with integrated exhaust manifold is designed for Nissan Altima and Sentra models. This CARB-certified component ensures compliance with emissions standards while providing a durable and efficient exhaust solution.

• Constructed from stainless steel for corrosion resistance and durability
• Natural color finish with a 4-inch converter body length
• Flanged outlet type with one inlet and one outlet port
• Includes inlet gasket and outlet gasket for proper sealing
• Equipped with two sensor ports for accurate emissions monitoring
• CARB Executive Order Number D-798-5 for California compliance
• Overall length of 21 inches with oval-shaped inlet port
• Compatible with Nissan Altima and Sentra models

Product Details and Specifications

The Dorman 673-9591 catalytic converter integrates the exhaust manifold and converter body into a single unit, simplifying installation and improving exhaust flow. Its stainless steel construction offers resistance to rust and heat, extending the life of the part. The converter body measures 4 inches in length, and the overall assembly is 21 inches long. The flanged outlet design ensures a secure connection to the exhaust system. This part features one inlet and one outlet, with five inlet mounting holes and seven outlet mounting holes to provide a stable fit. Two sensor ports allow for proper oxygen sensor installation, essential for maintaining engine performance and emissions control. The oval-shaped inlet port is designed to match factory specifications for a precise fit.

Compatible Vehicles and Applications

• Designed specifically for Nissan Altima models requiring a catalytic converter with integrated exhaust manifold
• Compatible with Nissan Sentra models needing a CARB-certified catalytic converter
• Meets California Air Resources Board (CARB) standards for emissions compliance
• Ideal replacement for vehicles with damaged or failing catalytic converters or exhaust manifolds

Installation Notes and Tips

Installation requires removal of the existing catalytic converter and exhaust manifold assembly. The included inlet and outlet gaskets help ensure a proper seal to prevent exhaust leaks. Note that inlet mounting hardware is not included, so original bolts or new hardware may be necessary. The flanged outlet and multiple mounting holes facilitate alignment and secure attachment. Proper torque specifications should be followed to avoid damage or leaks. It is recommended to inspect oxygen sensors and replace if necessary during installation.

Quality Assurance and Certification

This Dorman catalytic converter with integrated exhaust manifold is CARB certified under Executive Order D-798-5, ensuring it meets strict emissions standards for California and other states that require CARB compliance. Manufactured with high-grade stainless steel, this part is engineered for durability and long-term performance. While no specific warranty information is provided, Dorman products typically adhere to industry quality standards for replacement automotive parts.