Dorman 674-312 Catalytic Converter with Integrated Exhaust Manifold - Front

Dorman 674-312 Catalytic Converter Manifold

Dorman 674-312 is a catalytic converter with integrated exhaust manifold for specific Jeep Cherokee and Chrysler 200 applications. It is precision-engineered to match original equipment fit and function, with a stainless steel converter body and a flanged outlet for direct replacement service.

Key Features

• Integrated exhaust manifold and catalytic converter design
• Stainless steel converter body for exhaust system durability
• 1 inlet and 1 outlet configuration
• 2 sensor ports for oxygen sensor placement
• Inlet gasket included; outlet gasket and outlet mounting hardware included
• Natural finish with regular grade construction
• Fits front position applications on select Jeep Cherokee and Chrysler 200 models

Detailed Description

This manifold converter is built for direct replacement on vehicles that use an exhaust manifold and catalytic converter combined into one assembly. Dorman 674-312 is engineered to align with OE dimensions and mounting points, helping restore proper exhaust routing and emissions system operation on 2014-2018 Jeep Cherokee, 2019-2022 Jeep Cherokee, and 2015-2017 Chrysler 200 front applications. This part cross-references Cardone Reman 22-160 for the same application.

For buyers searching for a catalytic converter manifold for Jeep Cherokee front applications or a replacement exhaust manifold converter for Chrysler 200 front fitment, this part number 674-312 provides a direct-fit service solution. The flanged outlet, irregular inlet port shape, and 4-hole inlet mounting pattern support OE-style installation on the listed vehicles.

What It Helps Address

• Cracked or leaking exhaust manifold assembly
• Restricted catalytic converter flow
• Exhaust leaks at the manifold or flange connection
• Failed emissions-related exhaust components
• Check engine light concerns tied to manifold converter performance

Installation Notes and Tips

Verify front-position fitment before installation and confirm sensor port alignment, inlet port shape, and mounting-hole count against the original assembly. Replace worn gaskets during service and inspect adjoining exhaust components for damage or corrosion that could affect sealing. This part includes an inlet gasket, outlet gasket, studs, and nuts as listed in the package contents.

Quality Assurance

Dorman manufactures this manifold converter as a direct replacement part for specific OE applications, with fitment and construction matched to the original equipment layout. Part number 674-312 is intended for non-CARB-certified applications and is listed for select Jeep Cherokee and Chrysler 200 front exhaust positions.