HomeDorman 674-800 Exhaust Manifold
Part #: 674-800

Dorman 674-800 Exhaust Manifold

N/A
19 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$164.61Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, Pontiac, and Saturn, Captiva Sport, Cobalt, HHR, G5, Vue, and Ion
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Durable Cast Iron Exhaust Manifold for Chevrolet, Pontiac, and Saturn

The Dorman 674-800 exhaust manifold is engineered to provide reliable exhaust flow for select Chevrolet, Pontiac, and Saturn models. Crafted from cast iron with a natural finish, this exhaust manifold is designed to meet regular grade requirements and includes essential mounting hardware for a straightforward installation.

  • Constructed from durable cast iron material
  • Natural color finish with oval port shape for optimized exhaust flow
  • Includes exhaust manifold gasket, flange gasket, and mounting studs
  • Compatible with Chevrolet Captiva Sport, Cobalt, G5, HHR, Ion, and Saturn Vue
  • Regular grade type ensuring dependable performance

Product Details and Specifications

The Dorman 674-800 exhaust manifold features a cast iron construction that offers strength and heat resistance necessary for effective exhaust gas management. Its oval port shape is designed to match the exhaust ports of compatible engines, ensuring a proper seal and efficient exhaust flow. This part comes with all required mounting hardware, including one manifold gasket, one flange gasket, and three studs, facilitating a complete replacement without the need for additional parts. The natural finish maintains the integrity of the cast iron while providing corrosion resistance.

Compatible Vehicles and Applications

This exhaust manifold is specifically compatible with the following vehicles: Chevrolet Captiva Sport, Chevrolet Cobalt, Pontiac G5, Chevrolet HHR, Pontiac Ion, and Saturn Vue. The part number 674-800 ensures you receive the correct fitment for these models, supporting proper engine performance and emissions control.

  • Replaces worn or cracked exhaust manifolds
  • Addresses exhaust leaks causing noise or reduced engine efficiency
  • Helps resolve engine performance issues related to exhaust backpressure
  • Prevents exhaust fumes from entering the cabin
  • Restores proper exhaust flow for emission compliance

Installation Notes and Tips

Installation of the Dorman 674-800 exhaust manifold should be performed with care to ensure a proper seal and fit. Use the included gaskets and studs to secure the manifold to the engine block. It is recommended to clean the mounting surfaces thoroughly before installation to prevent leaks. Torque all fasteners to manufacturer specifications. Since the heat shield is not included, verify if your vehicle requires a separate heat shield and install accordingly.

Quality Assurance and Warranty

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for durability and fitment. The 674-800 part is backed by Dorman's quality assurance processes to ensure reliable performance. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part Number674-800
ColorNatural
Gasket Or Seal IncludedYes
Grade TypeRegular
Heat Shield IncludedNo
MaterialCast Iron
Mounting Hardware IncludedYes
Package ContentsExhaust Manifold; 1 Manifold Gasket; 1 Flange Gasket; 3 Studs; 3 Nuts
Port ShapeOval

This part fits 19 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008ChevroletCaptiva Sport2.4LL4N/Aw/EGR Port
2008ChevroletCobalt2.4LL4N/Aw/EGR Port
2008ChevroletCobalt2.0LL4N/A
2008ChevroletHHR2.4LL4N/Aw/EGR Port
2008PontiacG52.4LL4N/Aw/EGR Port
2008SaturnVue2.4LL4N/Aw/EGR Port
2007ChevroletCobalt2.0LL4N/A
2007ChevroletHHR2.4LL4N/A
2007PontiacG52.4LL4N/A
2007SaturnIon2.4LL4N/A
2007SaturnIon2.0LL4N/A
2007SaturnVue2.2LL4N/A
2007SaturnVue2.4LL4N/A
2006ChevroletCobalt2.0LL4N/A
2006ChevroletHHR2.4LL4N/A
2006SaturnIon2.4LL4N/A
2006SaturnIon2.0LL4N/A
2005SaturnIon2.0LL4N/A
2004SaturnIon2.0LL4N/A

* 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:

10156012581284

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