HomeExhaust > Exhaust ManifoldsDorman 674-550 Exhaust Manifold - Left
Part #: 674-550

Dorman 674-550 Exhaust Manifold - Left

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37 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, Pontiac, and GMC, S10, Camaro, Firebird, S15, S10 Blazer, and S15 Jimmy
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Overview of Dorman 674-550 Exhaust Manifold

The Dorman 674-550 exhaust manifold is designed for reliable performance and durability in select Chevrolet, GMC, and Pontiac vehicles. Constructed from cast iron with a natural finish, this exhaust manifold provides a solid and long-lasting solution for your vehicle's exhaust system needs.

  • Material: Durable cast iron construction
  • Color: Natural finish for corrosion resistance
  • Port Shape: Round ports for efficient exhaust flow
  • Mounting Hardware Included: Yes, for straightforward installation
  • Gasket or Seal Included: Yes, ensures proper sealing
  • Package Contents: Exhaust manifold, 1 manifold gasket and flange, 2 bolts, 2 studs

Detailed Product Description

The Dorman 674-550 exhaust manifold is engineered to meet the specifications of Chevrolet Camaro, GMC S10, Pontiac Firebird, and other compatible models such as the S10 Blazer, S15, and S15 Jimmy. Its cast iron construction offers strength and heat resistance, essential for managing exhaust gases effectively. The round port shape is designed to optimize exhaust flow, reducing backpressure and supporting engine efficiency. This manifold comes with all necessary mounting hardware and a gasket, simplifying the replacement process and ensuring a secure fit.

Compatible Vehicles and Applications

This exhaust manifold is compatible with the following makes and models:

  • Chevrolet Camaro
  • GMC S10 and S10 Blazer
  • Pontiac Firebird
  • GMC S15 and S15 Jimmy

Common Issues Addressed by This Exhaust Manifold

  • Exhaust leaks caused by cracked or warped manifolds
  • Reduced engine performance due to exhaust backpressure
  • Excessive noise from damaged or failing manifolds
  • Failed emissions tests related to exhaust system leaks
  • Corrosion and wear from prolonged exposure to heat and elements

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation
  • Use the included gasket and mounting hardware for proper sealing and fit
  • Torque bolts and studs to manufacturer specifications to avoid leaks
  • Inspect surrounding exhaust components for wear or damage during replacement
  • Check for exhaust leaks after installation to confirm proper sealing

Quality Assurance and Warranty

Dorman manufactures this exhaust manifold to meet or exceed OEM standards for fit, form, and function. The part number 674-550 is backed by Dorman's quality control processes to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship.

BrandDorman
Part Number674-550
ColorNatural
Gasket Or Seal IncludedYes
Grade TypeRegular
Heat Shield IncludedNo
MaterialCast Iron
Mounting Hardware IncludedYes
Package ContentsExhaust Manifold; 1 Manifold Gasket and 1 Flange; 2 Bolts; 2 Studs; 4 Nuts; 2 Springs
Port ShapeRound

This part fits 37 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
1993ChevroletS10RWD2.8LV6Left
1992ChevroletCamaro3.1LV6Left
1992ChevroletS102.8LV6Left
1992PontiacFirebird3.1LV6Left
1991ChevroletCamaro3.1LV6Left
1991ChevroletS10RWD2.8LV6Left
1991PontiacFirebird3.1LV6Left
1990ChevroletCamaro3.1LV6Left
1990ChevroletS102.8LV6Left
1990GMCS152.8LV6Left
1990PontiacFirebird3.1LV6Left
1989ChevroletCamaro2.8LV6Left
1989ChevroletS102.8LV6Left
1989ChevroletS10 Blazer2.8LV6Left
1989GMCS152.8LV6Left
1989GMCS15 Jimmy2.8LV6Left
1989PontiacFirebird2.8LV6Left
1988ChevroletCamaro2.8LV6Left
1988ChevroletS102.8LV6Left
1988ChevroletS10 Blazer2.8LV6Left
1988GMCS152.8LV6Left
1988GMCS15 Jimmy2.8LV6Left
1988PontiacFirebird2.8LV6Left
1987ChevroletCamaro2.8LV6Left
1987ChevroletS102.8LV6Left
1987ChevroletS10 Blazer2.8LV6Left
1987GMCS152.8LV6Left
1987GMCS15 Jimmy2.8LV6Left
1987PontiacFirebird2.8LV6Left
1986ChevroletCamaro2.8LV6Left
1986ChevroletS102.8LV6Left
1986ChevroletS10 Blazer2.8LV6Left
1986GMCS152.8LV6Left
1986GMCS15 Jimmy2.8LV6Left
1986PontiacFirebird2.8LV6Left
1985ChevroletCamaro2.8LV6Left
1985PontiacFirebird2.8LV6Left

* 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:

10044869101148

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