Dorman 674-279 Catalytic Converter with Integrated Exhaust Manifold

Brand Dorman 674-279
Color Natural
Grade Type Regular
Converter Body Length 4
Outlet Type Flanged
Inlet Quantity 4
Outlet Quantity 1
California Air Resources Board (CARB) Certified No
Inlet Mounting Hole Quantity 5
Inlet Gasket Included No
Inlet Mounting Hardware Included No
Outlet Mounting Hole Quantity 7
Outlet Mounting Hardware Included Yes
Overall Length 15
Air Tube Count 1
Sensor Port Count 1
Converter Body Material Stainless steel
Exhaust Manifold Inlet Port Shape Square
Package Contents 1 exhaust manifold
Fits Mitsubishi · 9 vehicles

OE-style replacement. Precision-engineered to match original equipment for a reliable fit.

Stainless steel construction. Helps resist corrosion in demanding exhaust conditions.

Integrated manifold design. Combines the converter and exhaust manifold in one unit.

Cross-references 1555A718 for the same application. See all 1.

$888.52Free shipping
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Dorman 674-279 Catalytic Converter Manifold

Dorman 674-279 is a catalytic converter with integrated exhaust manifold for specific Mitsubishi applications. It is built as a direct OE-style replacement for the factory manifold converter on select 2014-2018 Mitsubishi Outlander, 2014-2015 Mitsubishi ASX, and 2014-2015 Mitsubishi Outlander Sport models.

Key Features

  • Integrated exhaust manifold and catalytic converter design
  • Precision-engineered to match original equipment dimensions and layout
  • Stainless steel converter body for exhaust durability
  • Flanged outlet for secure exhaust connection
  • One sensor port and one air tube connection
  • Natural finish with regular-grade construction
  • Outlet mounting hardware included
  • Cross-reference: 1555A718

Detailed Description

This Dorman manifold converter is designed for direct replacement on vehicles that use a combined exhaust manifold and catalytic converter assembly. The unit features a square inlet port shape, four inlet ports, one flanged outlet, and a 15-inch overall length, helping it align with the factory exhaust layout on the listed Mitsubishi models. The stainless steel converter body supports long-term exhaust service, while the integrated design simplifies replacement of the original manifold converter assembly. Dorman 674-279 is a practical OE-style solution for 2014-2018 Mitsubishi Outlander, 2014-2015 Mitsubishi ASX, and 2014-2015 Mitsubishi Outlander Sport applications.

Common Issues This Part Can Address

  • Cracked or leaking exhaust manifold converter assembly
  • Restricted exhaust flow from a damaged catalytic converter
  • Exhaust odor or emissions-related fault conditions tied to a failed manifold converter
  • Broken flange connection at the outlet side
  • Noise from exhaust leaks at the manifold assembly

Installation Notes and Tips

Verify the vehicle’s emissions configuration before ordering, since this part is not CARB certified. Confirm sensor port location, inlet and outlet flange alignment, and mounting-hole count against the original assembly before installation. Use the correct gaskets and fasteners for the vehicle-specific exhaust connection points, and inspect adjoining exhaust components for wear or corrosion during replacement.

Quality Assurance

Dorman manufactures this catalytic converter with integrated exhaust manifold as a precision-engineered replacement for specific OE applications. Part number 674-279 is built to match the original equipment layout for the listed Mitsubishi fitments and is backed by Dorman’s product engineering standards.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2018MitsubishiOutlander2.4LL4N/ACARB Compliant: No; CARB Compliant: No
2017MitsubishiOutlander2.4LL4N/ACARB Compliant: No; CARB Compliant: No
2016MitsubishiOutlander2.4LL4N/ACARB Compliant: No; CARB Compliant: No
2015MitsubishiASX2.0LL4N/ACARB Compliant: No; CARB Compliant: No
2015MitsubishiOutlander2.4LL4N/ACARB Compliant: No; CARB Compliant: No
2015MitsubishiOutlander Sport2.0LL4N/ACARB Compliant: No; CARB Compliant: No
2014MitsubishiASX2.0LL4N/ACARB Compliant: No; CARB Compliant: No
2014MitsubishiOutlander2.4LL4N/ACARB Compliant: No; CARB Compliant: No
2014MitsubishiOutlander Sport2.0LL4N/ACARB Compliant: No; CARB Compliant: No
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1555A718