Dorman 674-128 Catalytic Converter with Integrated Exhaust Manifold

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 674-128 catalytic converter with integrated exhaust manifold is designed for select Hyundai and Kia models. This natural-colored, stainless steel converter offers a reliable replacement option for vehicles requiring a direct-fit exhaust component.

• Constructed from durable stainless steel for corrosion resistance
• Includes inlet gasket for proper sealing
• Features two outlet mounting holes for secure installation
• Round inlet port shape for compatibility with factory exhaust systems
• Package includes exhaust manifold, gaskets, and mounting hardware

Product Details and Specifications

The Dorman 674-128 catalytic converter combines the exhaust manifold and catalytic converter into a single unit, simplifying replacement on compatible vehicles. Its stainless steel converter body ensures long-lasting performance under high-temperature conditions. The natural finish maintains corrosion resistance without additional coatings. This part is designed with a round inlet port and two outlet mounting holes, matching the original equipment specifications for a proper fit. The included inlet gasket helps ensure a tight seal to prevent exhaust leaks. This converter is not California Air Resources Board (CARB) certified, so it is intended for use in states without CARB requirements.

Compatible Vehicles and Applications

This catalytic converter with integrated exhaust manifold is compatible with the following makes and models:

• Hyundai Forte, Forte5, Forte Koup
• Hyundai Sonata
• Kia Magentis, Optima, Rondo

Use this part number 674-128 when searching for a replacement catalytic converter for these specific Hyundai and Kia vehicles to ensure proper fitment and function.

Common Issues Addressed by This Part

• Excessive exhaust emissions due to a failing catalytic converter
• Exhaust leaks caused by damaged or cracked exhaust manifold
• Check engine light triggered by catalytic converter inefficiency
• Reduced engine performance related to exhaust flow restrictions
• Failed emissions tests requiring catalytic converter replacement

Installation Notes and Tips

When installing the Dorman 674-128 catalytic converter with integrated exhaust manifold, ensure all gaskets are properly seated to prevent exhaust leaks. The included inlet gasket should be used to maintain a secure seal. Verify that the two outlet mounting holes align correctly with the vehicle’s exhaust system. It is recommended to inspect surrounding exhaust components for wear or damage during installation. Professional installation is advised to ensure compliance with local emissions regulations and proper torque specifications.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 674-128 catalytic converter with integrated exhaust manifold is constructed from stainless steel to resist corrosion and withstand high operating temperatures. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult the product packaging or Dorman’s official resources for exact warranty terms.