
Dorman 672-844 Catalytic Converter with Integrated Exhaust Manifold - Left
Dorman 672-844 Catalytic Converter Manifold
Dorman 672-844 is a catalytic converter with integrated exhaust manifold for specific Nissan and INFINITI applications. It is built as a direct-fit, standard replacement with a stainless steel body, ceramic substrate, and CARB certification for listed vehicles.
Key Features
- Direct-fit catalytic converter with integrated exhaust manifold
- Specific fit for left-side applications on listed Nissan and INFINITI models
- Stainless steel construction with an uncoated metallic gray finish
- Ceramic substrate material for exhaust aftertreatment
- Flanged inlet and outlet design with included inlet gasket
- Heat shield attached for OE-style packaging
- CARB certified for the listed fitments
- Cross-reference: Four Seasons 84774
Detailed Description
This Dorman manifold converter is engineered to match original equipment dimensions and mounting points for the specified vehicles. It is a one-piece, standard replacement exhaust component with a round body, flanged inlet and outlet, and specific left-side fitment for 2007-2015 Nissan Armada, 2007-2015 Nissan TITAN, 2008-2012 Nissan Pathfinder, 2007-2010 INFINITI QX56, and 2012-2016 Nissan NV2500 and NV3500. The Dorman 672-844 is also listed as a replacement for part number 140021PB1A.
What It Helps Address
- Failed catalytic converter on the left side of the exhaust system
- Cracked or leaking exhaust manifold assembly
- Check engine light related to catalyst efficiency or exhaust flow issues
- Exhaust odor caused by a worn converter assembly
- Fitment problems from a damaged OE manifold converter
Installation Notes and Tips
Verify the vehicle year, make, model, and left-side application before installation. Confirm flange alignment, inlet gasket placement, and exhaust sealing surfaces are clean and undamaged. Because this unit is a specific-fit replacement, compare the original assembly to the Dorman 672-844 before bolting it in place.
Quality Assurance
Dorman manufactures this manifold converter as a direct replacement for the original equipment layout on the listed applications. CARB certification is noted for the covered vehicles, and the stainless steel construction supports long-term exhaust service in demanding underbody conditions.
Original: $1,146.16
-65%$1,146.16
$401.16Dorman 672-844 Catalytic Converter with Integrated Exhaust Manifold - Left
Dorman 672-844 Catalytic Converter Manifold
Dorman 672-844 is a catalytic converter with integrated exhaust manifold for specific Nissan and INFINITI applications. It is built as a direct-fit, standard replacement with a stainless steel body, ceramic substrate, and CARB certification for listed vehicles.
Key Features
- Direct-fit catalytic converter with integrated exhaust manifold
- Specific fit for left-side applications on listed Nissan and INFINITI models
- Stainless steel construction with an uncoated metallic gray finish
- Ceramic substrate material for exhaust aftertreatment
- Flanged inlet and outlet design with included inlet gasket
- Heat shield attached for OE-style packaging
- CARB certified for the listed fitments
- Cross-reference: Four Seasons 84774
Detailed Description
This Dorman manifold converter is engineered to match original equipment dimensions and mounting points for the specified vehicles. It is a one-piece, standard replacement exhaust component with a round body, flanged inlet and outlet, and specific left-side fitment for 2007-2015 Nissan Armada, 2007-2015 Nissan TITAN, 2008-2012 Nissan Pathfinder, 2007-2010 INFINITI QX56, and 2012-2016 Nissan NV2500 and NV3500. The Dorman 672-844 is also listed as a replacement for part number 140021PB1A.
What It Helps Address
- Failed catalytic converter on the left side of the exhaust system
- Cracked or leaking exhaust manifold assembly
- Check engine light related to catalyst efficiency or exhaust flow issues
- Exhaust odor caused by a worn converter assembly
- Fitment problems from a damaged OE manifold converter
Installation Notes and Tips
Verify the vehicle year, make, model, and left-side application before installation. Confirm flange alignment, inlet gasket placement, and exhaust sealing surfaces are clean and undamaged. Because this unit is a specific-fit replacement, compare the original assembly to the Dorman 672-844 before bolting it in place.
Quality Assurance
Dorman manufactures this manifold converter as a direct replacement for the original equipment layout on the listed applications. CARB certification is noted for the covered vehicles, and the stainless steel construction supports long-term exhaust service in demanding underbody conditions.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dorman 672-844 Catalytic Converter Manifold
Dorman 672-844 is a catalytic converter with integrated exhaust manifold for specific Nissan and INFINITI applications. It is built as a direct-fit, standard replacement with a stainless steel body, ceramic substrate, and CARB certification for listed vehicles.
Key Features
- Direct-fit catalytic converter with integrated exhaust manifold
- Specific fit for left-side applications on listed Nissan and INFINITI models
- Stainless steel construction with an uncoated metallic gray finish
- Ceramic substrate material for exhaust aftertreatment
- Flanged inlet and outlet design with included inlet gasket
- Heat shield attached for OE-style packaging
- CARB certified for the listed fitments
- Cross-reference: Four Seasons 84774
Detailed Description
This Dorman manifold converter is engineered to match original equipment dimensions and mounting points for the specified vehicles. It is a one-piece, standard replacement exhaust component with a round body, flanged inlet and outlet, and specific left-side fitment for 2007-2015 Nissan Armada, 2007-2015 Nissan TITAN, 2008-2012 Nissan Pathfinder, 2007-2010 INFINITI QX56, and 2012-2016 Nissan NV2500 and NV3500. The Dorman 672-844 is also listed as a replacement for part number 140021PB1A.
What It Helps Address
- Failed catalytic converter on the left side of the exhaust system
- Cracked or leaking exhaust manifold assembly
- Check engine light related to catalyst efficiency or exhaust flow issues
- Exhaust odor caused by a worn converter assembly
- Fitment problems from a damaged OE manifold converter
Installation Notes and Tips
Verify the vehicle year, make, model, and left-side application before installation. Confirm flange alignment, inlet gasket placement, and exhaust sealing surfaces are clean and undamaged. Because this unit is a specific-fit replacement, compare the original assembly to the Dorman 672-844 before bolting it in place.
Quality Assurance
Dorman manufactures this manifold converter as a direct replacement for the original equipment layout on the listed applications. CARB certification is noted for the covered vehicles, and the stainless steel construction supports long-term exhaust service in demanding underbody conditions.












