Dorman 673-630 Catalytic Converter with Integrated Exhaust Manifold - Rear

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 673-630 catalytic converter with integrated exhaust manifold is designed for select Hyundai and Kia models, including the Optima, Sonata, and Tiburon. This component meets California Air Resources Board (CARB) standards, ensuring compliance with emissions regulations.

• CARB certified with Executive Order Number D-665-23
• Constructed from durable cast iron converter body
• Includes inlet gasket for proper sealing
• Features two outlet mounting holes for secure installation
• Natural color finish for corrosion resistance
• Compatible with Hyundai Optima, Sonata, and Kia Tiburon

Product Details and Specifications

The Dorman 673-630 catalytic converter integrates the exhaust manifold and converter into a single assembly, simplifying replacement and reducing potential leak points. Its cast iron body provides strength and heat resistance, suitable for regular grade applications. The inlet port is round-shaped to match factory exhaust ports, and the included inlet gasket ensures a tight seal during installation. The unit features two outlet mounting holes, allowing for secure attachment to the exhaust system. This part is CARB certified, meeting strict emissions standards required in California and other states that follow CARB regulations.

Compatible Vehicles and Applications

This catalytic converter with integrated exhaust manifold is compatible with the following vehicles:

• Hyundai Optima
• Hyundai Sonata
• Kia Tiburon

It is designed to replace the original equipment part and restore proper exhaust flow and emissions control for these models.

Common Issues Addressed by This Part

• Excessive exhaust emissions failing emissions testing
• Exhaust leaks causing noise and reduced engine performance
• Check engine light triggered by catalytic converter failure
• Damaged or cracked exhaust manifold affecting exhaust flow
• Reduced fuel efficiency due to faulty catalytic converter

Installation Notes and Tips

When installing the Dorman 673-630 catalytic converter, ensure the inlet gasket is properly seated to prevent exhaust leaks. The two outlet mounting holes should align with the vehicle’s exhaust system for secure attachment. It is recommended to inspect surrounding exhaust components for wear or damage during replacement. Professional installation is advised to maintain emissions compliance and proper exhaust system function.

Quality Assurance and Certification

This catalytic converter is CARB certified under Executive Order Number D-665-23, confirming it meets emissions standards for California and other states that require CARB compliance. The cast iron construction provides durability and resistance to heat and corrosion. Dorman backs this part with quality manufacturing standards to ensure reliable performance in Hyundai Optima, Sonata, and Kia Tiburon vehicles.