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Dorman 674-259 Catalytic Converter with Integrated Exhaust Manifold - Rear
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.
| Brand | Dorman |
|---|---|
| Part Number | 674-259 |
| Color | Natural |
| Grade Type | Regular |
| California Air Resources Board (CARB) Certified | No |
| Inlet Gasket Included | Yes |
| Outlet Mounting Hole Quantity | 2 |
| Outlet Mounting Hardware Included | Yes |
| Converter Body Material | Cast / stainless |
| Inlet Port Shape | Round |
| Package Contents | Exhaust manifold; manifold and flange gaskets; 2 studs; 2 nuts; 1 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Kia | Sedona | 3.3L | V6 | Rear | CARB Compliant: No; CARB Compliant: No |
| 2017 | Hyundai | Azera | 3.3L | V6 | Rear | CARB Compliant: No |
| 2017 | Kia | Sedona | 3.3L | V6 | Rear | CARB Compliant: No; CARB Compliant: No |
| 2016 | Hyundai | Azera | 3.3L | V6 | Rear | CARB Compliant: No |
| 2016 | Kia | Cadenza | 3.3L | V6 | Rear | CARB Compliant: No |
| 2016 | Kia | Sedona | 3.3L | V6 | Rear | CARB Compliant: No; CARB Compliant: No |
| 2015 | Hyundai | Azera | 3.3L | V6 | Rear | CARB Compliant: No |
| 2015 | Kia | Cadenza | 3.3L | V6 | Rear | CARB Compliant: No |
| 2015 | Kia | Sedona | 3.3L | V6 | Rear | CARB Compliant: No; CARB Compliant: No |
| 2014 | Hyundai | Azera | 3.3L | V6 | Rear | CARB Compliant: No |
| 2014 | Kia | Cadenza | 3.3L | V6 | Rear | CARB Compliant: No |
| 2013 | Hyundai | Azera | 3.3L | V6 | Rear | CARB Compliant: No |
| 2012 | Hyundai | Azera | 3.3L | V6 | Rear | CARB 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.