Dorman 674-5602 Exhaust Manifold - Right

Brand Dorman 674-5602
Position Right
Material Cast iron
Color Natural
Port Shape Round
Mounting Hardware Included Yes
Grade Type Regular
Gasket Or Seal Included Yes
Heat Shield Included Yes
Package Contents Exhaust manifold; 1 manifold gasket; 3 studs; 3 nuts
Fits 44 vehicles

OE direct replacement. Precision-engineered to match the fit and function of the original manifold.

Cast iron construction. Durable material helps withstand exhaust heat and stress.

Complete repair kit. Includes gaskets, heat shield, and mounting hardware.

Cross-references 101470, 12570670 and 8125706700 for the same application. See all 3.

$210.94Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $210.94
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 674-5602 Exhaust Manifold

The Dorman 674-5602 exhaust manifold is a cast iron replacement built to match the fit and function of the original manifold on specified vehicles. It includes the gasket, heat shield, and downpipe hardware needed for a complete exhaust manifold repair.

Key Features

  • Cast iron construction for durable exhaust service
  • Natural finish with round port shape
  • Includes manifold gasket and heat shield
  • Mounting hardware included for the repair
  • Package contents: exhaust manifold, 1 manifold gasket, 3 studs, 3 nuts

Detailed Description

Built for direct replacement service, the Dorman 674-5602 exhaust manifold is precision-engineered to match the original manifold’s fit and function on specified applications. This part number is a practical choice for exhaust manifold replacement when the original casting is cracked, warped, or leaking. The Dorman 674-5602 also cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. For buyers searching exhaust manifold replacement for Honda Civic or similar OE-style exhaust repair parts, this manifold provides the core components needed to restore proper exhaust sealing and flow.

Common Repair Uses

  • Exhaust leak at the manifold-to-cylinder head sealing surface
  • Cracked or heat-damaged manifold casting
  • Broken or missing manifold studs and nuts
  • Failed gasket causing ticking noise or exhaust odor
  • Heat shield damage around the manifold area

Installation Notes and Tips

Verify vehicle application before ordering, since fitment is not listed for every model. Inspect the cylinder head flange, downpipe connection, and adjacent exhaust components before installation. Clean all mating surfaces thoroughly and replace any damaged fasteners or sealing surfaces to help ensure a proper exhaust seal. Search terms such as Dorman 674-5602 exhaust manifold replacement and Honda Civic exhaust manifold repair are commonly used for this type of service part.

Quality Assurance

This manifold is manufactured to match original fit and function on specified vehicles and is supplied with the listed gaskets, heat shield, and mounting hardware for a complete repair package.

This part fits 44 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2007ChevroletW3500 Tiltmaster6.0LV8GASRightwo/Ceramic Coating
2007ChevroletW4500 Tiltmaster6.0LV8GASRightwo/Ceramic Coating
2007GMCW3500 Forward6.0LV8GASRightwo/Ceramic Coating
2007GMCW4500 Forward6.0LV8GASRightwo/Ceramic Coating
2007IsuzuNPR6.0LV8GASRightwo/Ceramic Coating
2007IsuzuNPR-HD6.0LV8GASRightwo/Ceramic Coating
2007WorkhorseW16GASRightwo/Ceramic Coating; V8 364CID 6.0L (5967cc)
2007WorkhorseW18GASRightwo/Ceramic Coating; V8 364CID 6.0L (5967cc)
2007WorkhorseW42GASRightwo/Ceramic Coating; V8 364CID 6.0L (5967cc)
2007WorkhorseW626.0LV8GASRightwo/Ceramic Coating
2007Workhorse Custom ChassisW426.0LV8GASRightwo/Ceramic Coating
2006ChevroletW3500 Tiltmaster6.0LV8GASRightwo/Ceramic Coating
2006ChevroletW4500 Tiltmaster6.0LV8GASRightwo/Ceramic Coating
2006GMCW3500 Forward6.0LV8GASRightwo/Ceramic Coating
2006GMCW4500 Forward6.0LV8GASRightwo/Ceramic Coating
2006IsuzuNPR6.0LV8GASRightwo/Ceramic Coating
2006IsuzuNPR-HD6.0LV8GASRightwo/Ceramic Coating
2006WorkhorseW16GASRightwo/Ceramic Coating; V8 364CID 6.0L (5967cc)
2006WorkhorseW18GASRightwo/Ceramic Coating; V8 364CID 6.0L (5967cc)
2006WorkhorseW42GASRightwo/Ceramic Coating; V8 364CID 6.0L (5967cc)
2006Workhorse Custom ChassisW426.0LV8GASRightwo/Ceramic Coating
2005ChevroletW3500 Tiltmaster6.0LV8GASRightwo/Ceramic Coating
2005ChevroletW4500 Tiltmaster6.0LV8GASRightwo/Ceramic Coating
2005GMCW3500 Forward6.0LV8GASRightwo/Ceramic Coating
2005GMCW4500 Forward6.0LV8GASRightwo/Ceramic Coating
2005IsuzuNPR6.0LV8GASRightwo/Ceramic Coating
2005IsuzuNPR-HD6.0LV8GASRightwo/Ceramic Coating
2005WorkhorseFasTrack FT14616.0LV8GASRightwo/Ceramic Coating
2005WorkhorseFasTrack FT18016.0LV8GASRightwo/Ceramic Coating
2005Workhorse Custom ChassisP426.0LV8GASRightwo/Ceramic Coating
2004ChevroletW3500 Tiltmaster6.0LV8GASRightwo/Ceramic Coating
2004ChevroletW4500 Tiltmaster6.0LV8GASRightwo/Ceramic Coating
2004GMCW3500 Forward6.0LV8GASRightwo/Ceramic Coating
2004GMCW4500 Forward6.0LV8GASRightwo/Ceramic Coating
2004IsuzuNPR6.0LV8GASRightwo/Ceramic Coating
2004IsuzuNPR-HD6.0LV8GASRightwo/Ceramic Coating
2004WorkhorseFasTrack FT14616.0LV8GASRightwo/Ceramic Coating
2004WorkhorseFasTrack FT18016.0LV8GASRightwo/Ceramic Coating
2004Workhorse Custom ChassisP426.0LV8GASRightwo/Ceramic Coating
2003ChevroletW3500 Tiltmaster6.0LV8GASRightwo/Ceramic Coating
2003ChevroletW4500 Tiltmaster6.0LV8GASRightwo/Ceramic Coating
2003GMCW4500 Forward6.0LV8GASRightwo/Ceramic Coating
2003IsuzuNPR6.0LV8GASRightwo/Ceramic Coating
2003IsuzuNPR-HD6.0LV8GASRightwo/Ceramic Coating
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
101470125706708125706700