HomeExhaust > Catalytic ConverterDorman 674-631 Catalytic Converter with Integrated Exhaust Manifold
Part #: 674-631

Dorman 674-631 Catalytic Converter with Integrated Exhaust Manifold

⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$608.88Free Shipping
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Hyundai and Kia, Sportage and Tucson
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 674-631 catalytic converter with integrated exhaust manifold is designed for Hyundai Sportage and Kia Tucson models. This natural-colored, stainless steel converter offers a reliable replacement option for vehicles requiring a regular grade catalytic converter without CARB certification.

  • Constructed from durable stainless steel for corrosion resistance
  • Includes inlet gasket for a secure seal
  • Features two outlet mounting holes for proper fitment
  • Comes with outlet mounting hardware for installation
  • Round inlet port shape for compatibility with specified vehicles

Product Details and Specifications

The Dorman 674-631 catalytic converter with integrated exhaust manifold is engineered to meet the exhaust and emission needs of Hyundai Sportage and Kia Tucson vehicles. Its stainless steel converter body ensures long-lasting durability against heat and corrosion. The natural finish maintains the integrity of the material without additional coatings. This part includes an inlet gasket to ensure a tight seal between the manifold and the exhaust system. The outlet features two mounting holes and comes with the necessary hardware to secure the connection. The round inlet port shape is designed to match the factory exhaust ports on the specified models, ensuring proper fit and function.

Compatible Vehicles and Applications

  • Hyundai Sportage models requiring a regular grade catalytic converter
  • Kia Tucson models compatible with integrated exhaust manifold converters
  • Replacement for worn or damaged catalytic converters with integrated manifolds
  • Solutions for exhaust leaks or emission control issues related to the catalytic converter
  • Addressing check engine light codes related to catalytic converter performance

Installation Notes and Tips

When installing the Dorman 674-631 catalytic converter with integrated exhaust manifold, ensure the inlet gasket is properly seated to prevent exhaust leaks. Verify that the two outlet mounting holes align correctly with the vehicle’s exhaust system. Use the included outlet mounting hardware to secure the converter firmly. It is recommended to inspect surrounding exhaust components for wear or damage during installation. Professional installation is advised to maintain emission compliance and optimal vehicle performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-631 catalytic converter with integrated exhaust manifold is constructed from high-quality stainless steel to provide durability and resistance to corrosion. While this part is not CARB certified, it is designed to meet regular grade requirements for the specified Hyundai and Kia models. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandDorman
Part Number674-631
ColorNatural
Grade TypeRegular
California Air Resources Board (CARB) CertifiedNo
Inlet Gasket IncludedYes
Outlet Mounting Hole Quantity2
Outlet Mounting Hardware IncludedYes
Converter Body MaterialStainless steel
Inlet Port ShapeRound
Package ContentsExhaust manifold; manifold and flange gaskets; 2 studs; 2 nuts; h

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016KiaSportage2.4LL4N/ACARB Compliant: No; w/California Emissions; CARB Compliant: No
2015HyundaiTucson2.4LL4N/ACARB Compliant: No; w/California Emissions; CARB Compliant: No
2015KiaSportage2.4LL4N/ACARB Compliant: No; w/California Emissions; CARB Compliant: No
2014HyundaiTucson2.4LL4N/ACARB Compliant: No; w/California Emissions; CARB Compliant: No
2014KiaSportage2.4LL4N/ACARB Compliant: No; w/California Emissions; CARB Compliant: No
2013HyundaiTucson2.4LL4N/ACARB Compliant: No
2013KiaSportage2.4LL4N/ACARB Compliant: No; w/California Emissions; CARB Compliant: No
2012HyundaiTucson2.0LL4N/ACARB Compliant: No
2012KiaSportage2.4LL4N/ACARB Compliant: No
2011HyundaiTucson2.0LL4N/ACARB Compliant: No
2011KiaSportage2.4LL4N/ACARB Compliant: No
2010HyundaiTucson2.4LL4N/ACARB Compliant: No

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

285102G54052590

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.