Dorman 674-863 Catalytic Converter with Integrated Exhaust Manifold - Front

Overview of Dorman 674-863 Catalytic Converter with Exhaust Manifold

The Dorman 674-863 catalytic converter with integrated exhaust manifold is designed for select Lexus and Toyota models, including the Highlander, RX330, RX400h, and Sienna. This natural-colored, stainless steel converter offers a reliable replacement option for vehicles requiring a regular grade catalytic converter.

• Constructed from durable stainless steel for corrosion resistance
• Includes inlet gasket for proper sealing
• Features two outlet mounting holes for secure installation
• Comes with exhaust manifold, gaskets, and mounting hardware
• Compatible with Lexus Highlander, RX330, RX400h, and Toyota Sienna

Product Details and Specifications

The Dorman 674-863 catalytic converter integrates the exhaust manifold and converter body into a single unit, simplifying replacement and ensuring proper fitment. The converter body is made from stainless steel, providing durability and resistance to rust and corrosion over time. The inlet port is round-shaped, designed to match OEM specifications for a precise fit. This part is a regular grade type and is not California Air Resources Board (CARB) certified, so it is intended for use in states without CARB emissions requirements. The package includes the exhaust manifold, gaskets, and necessary mounting hardware to facilitate installation.

Compatible Vehicles and Applications

• Replacement catalytic converter for Lexus Highlander models
• Compatible with Lexus RX330 and RX400h vehicles
• Fits Toyota Sienna minivans requiring a catalytic converter with integrated manifold
• Ideal for addressing exhaust leaks and emissions issues related to the catalytic converter and manifold

Installation Notes and Tips

When installing the Dorman 674-863 catalytic converter with integrated exhaust manifold, ensure the inlet gasket is properly seated to prevent exhaust leaks. The two outlet mounting holes allow for secure attachment to the exhaust system. It is recommended to inspect surrounding exhaust components for wear or damage during installation. Professional installation is advised to maintain proper exhaust flow and emissions compliance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The stainless steel construction of this catalytic converter with integrated manifold provides long-lasting performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Verify warranty coverage with the supplier or manufacturer prior to installation.