Dorman 674-073 Catalytic Converter with Integrated Exhaust Manifold - Front

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 674-073 catalytic converter with integrated exhaust manifold is designed specifically for BMW X3 models. This natural-colored, stainless steel converter offers a reliable replacement option for exhaust system repairs and maintenance.

• 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 gaskets and outlet gasket for proper sealing
• Equipped with two sensor ports for oxygen sensors
• Compatible with BMW X3 exhaust systems requiring a 32-inch overall length component

Detailed Product Description

The Dorman 674-073 catalytic converter with integrated exhaust manifold is engineered to meet the specifications of BMW X3 vehicles. Featuring a round inlet port with eight mounting holes and a flanged outlet with two mounting holes, this part ensures a secure fit within the exhaust system. The converter body is made from stainless steel, providing durability and resistance to heat and corrosion. With two sensor ports, it supports the necessary oxygen sensors for proper emissions control. The package includes one exhaust manifold, three inlet gaskets, one outlet gasket, and two studs to assist in installation. Note that this part is not California Air Resources Board (CARB) certified and is intended for use in regions without CARB requirements.

Common Applications and Issues Addressed

• Replacement of damaged or rusted catalytic converters on BMW X3 models
• Restoring proper exhaust flow and emissions control
• Resolving exhaust leaks caused by manifold or converter failure
• Addressing check engine light issues related to oxygen sensor readings
• Improving engine performance affected by exhaust restrictions

Installation Notes and Tips

Ensure the vehicle is cooled down before beginning installation. The Dorman 674-073 includes inlet gaskets and an outlet gasket for sealing, but mounting hardware for the inlet is not included. Verify all mounting holes align correctly with the vehicle’s exhaust ports. Proper torque specifications should be followed to avoid leaks or damage. Oxygen sensors should be carefully reinstalled into the provided sensor ports to maintain emissions compliance.

Quality Assurance and Warranty

Dorman catalytic converters are manufactured to meet or exceed OEM standards for fit and function. The stainless steel construction offers long-term durability under normal operating conditions. While this part is not CARB compliant, it is designed for reliable performance in applicable regions. Warranty details should be confirmed with the distributor or manufacturer at the time of purchase.