Dorman 674-521 Exhaust Manifold

Brand Dorman 674-521
Material Stainless steel
Color Natural
Port Shape Round
Mounting Hardware Included Yes
Grade Type Regular
Gasket Or Seal Included Yes
Heat Shield Included No
Package Contents Exhaust manifold; 1 manifold gasket and 1 flange; 2 nuts
Fits Hyundai and Kia · 9 vehicles

Direct-fit replacement. Precision-engineered to match the original manifold's fit and function.

Stainless steel construction. Durable material helps resist heat and corrosion in the exhaust system.

Complete repair kit. Includes necessary gaskets and downpipe hardware for installation.

Cross-references 285002G300 for the same application. See all 1.

$268.85Free shipping
In stock · usually ships same day before 1pm CST
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Order total $268.85
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Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 674-521 Exhaust Manifold for Hyundai Tucson and Kia Sportage

Dorman 674-521 is a stainless steel exhaust manifold built to match the original fit and function on select Hyundai and Kia applications. It includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair on compatible vehicles.

Key Features

  • Stainless steel construction for durable exhaust service
  • Natural finish with a round port shape
  • Direct-fit replacement for specified Hyundai Tucson and Kia Sportage models
  • Includes gasket and flange components for the repair
  • Mounting hardware included for installation
  • OE-style replacement part number 674-521

Detailed Description

This exhaust manifold is engineered for 2010-2013 Hyundai Tucson models without California emissions and 2011-2012 Kia Sportage models without California emissions. Dorman 674-521 is built to restore the exhaust path at the cylinder head with a fit and function matched to the original manifold on the listed vehicles. The stainless steel design supports long-term exhaust service, while the included gasket and flange help complete the repair with the correct sealing components. If you are replacing a cracked or leaking manifold on a Hyundai Tucson or Kia Sportage, part number 674-521 provides a direct replacement option for the specified applications.

This part cross-references Hyundai/Kia OE number 285002G300 for the same application.

Common Repair Symptoms

  • Exhaust leak noise near the engine
  • Visible cracking or warping in the manifold
  • Burning smell from escaping exhaust gases
  • Check engine light related to exhaust flow or leak conditions
  • Reduced exhaust sealing at the cylinder head

Installation Notes and Tips

Verify engine and emissions configuration before ordering, since this manifold is listed for vehicles without California emissions. Inspect the cylinder head flange, fasteners, and downpipe connection surfaces before installation. Replace damaged sealing surfaces and follow factory torque specifications during assembly to help ensure a proper seal. Confirm fitment by matching the vehicle year, make, model, and emissions setup to the listing for Dorman 674-521.

Quality Assurance

Dorman manufactures this manifold as a regular-grade replacement part engineered to match original fit and function on the listed vehicles. The included gasket and flange support a complete repair using the specified application components.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2013HyundaiTucson2.4LL4wo/California Emissions
2013HyundaiTucson2.0LL4wo/California Emissions
2012HyundaiTucson2.4LL4wo/California Emissions
2012HyundaiTucson2.0LL4wo/California Emissions
2012KiaSportage2.4LL4wo/California Emissions
2011HyundaiTucson2.4LL4wo/California Emissions
2011HyundaiTucson2.0LL4wo/California Emissions
2011KiaSportage2.4LL4wo/California Emissions
2010HyundaiTucson2.4LL4wo/California Emissions
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
285002G300