Dorman 674-099 Catalytic Converter with Integrated Exhaust Manifold

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 674-099 catalytic converter with integrated exhaust manifold is designed for select Lexus and Toyota models, including the Camry, Avalon, Highlander, and RAV4. This component combines the exhaust manifold and catalytic converter into a single unit, providing a streamlined solution for emissions control and exhaust flow.

• Constructed with a stainless steel converter body for durability
• Ceramic substrate material for effective catalytic conversion
• Flanged inlet and outlet types with round port shapes
• Includes one sensor port for oxygen sensor installation
• Compatible with multiple Lexus and Toyota models such as ES250, NX350h, and Sienna
• Converter body length of 6 inches and overall length of 18.5 inches
• Tube wall thickness of 0.125 inches for structural integrity
• Includes inlet and outlet gaskets and mounting hardware

Detailed Product Description

The Dorman 674-099 catalytic converter with integrated exhaust manifold is engineered to meet the exhaust and emissions requirements of various Lexus and Toyota vehicles. Its stainless steel construction ensures resistance to corrosion and heat, while the ceramic substrate efficiently reduces harmful emissions. The flanged inlet and outlet connections with round port shapes facilitate a secure fit and proper exhaust flow. This unit features four inlet ports and two outlet ports, with five inlet mounting holes and seven outlet mounting holes to ensure precise installation. The inclusion of one sensor port allows for proper oxygen sensor placement, essential for engine management and emissions monitoring.

Common Applications and Problem Resolution

• Replaces faulty or clogged catalytic converters causing poor emissions performance
• Addresses exhaust leaks due to damaged exhaust manifolds
• Resolves check engine light issues related to oxygen sensor or converter failure
• Improves exhaust flow and reduces engine backpressure
• Restores compliance with emissions standards for non-CARB compliant vehicles

Installation Notes and Tips

When installing the Dorman 674-099 catalytic converter with integrated exhaust manifold, ensure all mounting surfaces are clean and free of debris. Use the included inlet and outlet gaskets to prevent exhaust leaks. Proper torque specifications should be followed for all mounting bolts to avoid warping or damage. The sensor port is designed for a single oxygen sensor; verify sensor compatibility before installation. This part is not CARB compliant and is intended for use in vehicles where CARB certification is not required.

Quality Assurance and Warranty

Dorman manufactures this catalytic converter with integrated exhaust manifold to meet OEM standards for fit and function. The stainless steel construction and ceramic substrate provide durability and reliable emissions control. While this product is not CARB compliant and not New York certified, it is designed to maintain proper exhaust system operation. Warranty details should be confirmed with the point of purchase or manufacturer documentation.