HomeExhaust > Catalytic ConverterDorman 674-259 Catalytic Converter with Integrated Exhaust Manifold - Rear
Part #: 674-259

Dorman 674-259 Catalytic Converter with Integrated Exhaust Manifold - Rear

Rear
13 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Hyundai and Kia, Azera, Cadenza, and Sedona
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OE-Style Exhaust Manifold Converter

Dorman 674-259 is a catalytic converter with integrated exhaust manifold built for specific rear-position applications on Hyundai and Kia vehicles. It is precision-engineered to match original equipment dimensions and mounting points for a direct replacement on the listed fitments.

Compatible With 2012-2017 Hyundai Azera, rear; 2014-2016 Kia Cadenza, rear; and 2015-2018 Kia Sedona, rear. This Dorman 674-259 manifold converter is a practical choice when the original exhaust manifold and converter assembly needs replacement.

Key Features

  • Catalytic converter with integrated exhaust manifold for a combined OE-style layout
  • Cast and stainless steel body construction for exhaust system durability
  • Natural finish
  • Round inlet port shape
  • Inlet gasket included
  • Outlet mounting hardware included
  • Regular grade type
  • CARB certified: No

Detailed Description

The Dorman 674-259 is designed as a manifold converter replacement for rear exhaust applications on the specified Hyundai Azera, Kia Cadenza, and Kia Sedona models. Its integrated design helps restore the factory-style exhaust manifold and catalytic converter assembly in one unit, with OE-matching engineering focused on fit and mounting alignment. This part cross-references Monroe Shocks & Struts (e.g., 52781, 285103CHX0) for the same application.

For shoppers searching for a rear catalytic converter with exhaust manifold for 2012-2017 Hyundai Azera, 2014-2016 Kia Cadenza, or 2015-2018 Kia Sedona, part number 674-259 provides a direct-fit replacement option built around the original vehicle configuration.

Common Replacement Reasons

  • Failed catalytic converter efficiency or emissions-related trouble codes
  • Cracked or leaking exhaust manifold assembly
  • Exhaust noise from manifold or flange sealing surfaces
  • Damaged mounting points or worn gasket interfaces
  • Corrosion in the manifold converter housing

Installation Notes

Verify rear-position fitment before installation and compare the inlet port shape, outlet mounting points, and gasket surfaces to the original assembly. The package includes the exhaust manifold, manifold and flange gaskets, studs, nuts, a heat shield bolt, and a washer. Use proper exhaust sealing practices and confirm all connections are aligned before final tightening.

Quality Assurance

Dorman manufactures this manifold converter as a direct replacement part for the listed OE-style applications, with construction and fitment engineered to match the original assembly on the specified Hyundai and Kia vehicles.

BrandDorman
Part Number674-259
ColorNatural
Grade TypeRegular
California Air Resources Board (CARB) CertifiedNo
Inlet Gasket IncludedYes
Outlet Mounting Hole Quantity2
Outlet Mounting Hardware IncludedYes
Converter Body MaterialCast / stainless
Inlet Port ShapeRound
Package ContentsExhaust manifold; manifold and flange gaskets; 2 studs; 2 nuts; 1

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018KiaSedona3.3LV6RearCARB Compliant: No; CARB Compliant: No
2017HyundaiAzera3.3LV6RearCARB Compliant: No
2017KiaSedona3.3LV6RearCARB Compliant: No; CARB Compliant: No
2016HyundaiAzera3.3LV6RearCARB Compliant: No
2016KiaCadenza3.3LV6RearCARB Compliant: No
2016KiaSedona3.3LV6RearCARB Compliant: No; CARB Compliant: No
2015HyundaiAzera3.3LV6RearCARB Compliant: No
2015KiaCadenza3.3LV6RearCARB Compliant: No
2015KiaSedona3.3LV6RearCARB Compliant: No; CARB Compliant: No
2014HyundaiAzera3.3LV6RearCARB Compliant: No
2014KiaCadenza3.3LV6RearCARB Compliant: No
2013HyundaiAzera3.3LV6RearCARB Compliant: No
2012HyundaiAzera3.3LV6RearCARB 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:

285103CHX052781

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