Dorman 674-027 Catalytic Converter with Integrated Exhaust Manifold

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 674-027 catalytic converter with integrated exhaust manifold is designed specifically for Mazda 6 models. This natural-colored, stainless steel component combines the exhaust manifold and catalytic converter into a single unit, providing a streamlined solution for exhaust emissions control.

• Constructed from durable stainless steel for corrosion resistance
• Regular grade type 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 oxygen sensors
• Overall length of 22 inches for precise fitment
• Compatible with Mazda 6 exhaust systems requiring a catalytic converter with integrated manifold

Detailed Product Description

The Dorman 674-027 catalytic converter with integrated exhaust manifold is engineered to meet the exhaust requirements of Mazda 6 vehicles. Featuring a round inlet port with seven mounting holes and a flanged outlet with two mounting holes, this part ensures secure attachment to the exhaust system. The stainless steel converter body offers durability and resistance to high temperatures and corrosion. With two sensor ports, it supports the necessary oxygen sensors for proper engine management and emissions control. The included inlet gasket and outlet gasket help maintain a tight seal, preventing exhaust leaks. This component is not CARB certified and is intended for use in regions without California Air Resources Board compliance requirements.

Common Applications and Issues Addressed

• Replacement for damaged or rusted catalytic converters on Mazda 6 models
• Restores proper exhaust flow and emissions control
• Eliminates exhaust leaks caused by manifold or converter failure
• Supports engine performance by maintaining correct oxygen sensor readings
• Helps resolve check engine light issues related to catalytic converter faults

Installation Notes and Tips

When installing the Dorman 674-027 catalytic converter with integrated exhaust manifold, ensure all mounting surfaces are clean and free of debris. Use the included inlet and outlet gaskets to achieve a proper seal. Note that inlet mounting hardware is not included, so existing bolts or new hardware may be required. Proper torque specifications should be followed to avoid exhaust leaks or damage to the mounting holes. The two sensor ports require correct sensor installation to maintain engine performance and emissions compliance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. This catalytic converter with integrated exhaust manifold is constructed from stainless steel to provide long-lasting durability. While this part is not CARB certified, it is designed for reliable performance in compatible Mazda 6 vehicles. Warranty coverage details should be confirmed with the parts provider or manufacturer.