Dorman OE Solutions Exhaust Manifold Kit with Gaskets and Hardware for 2003‑96 Chevrolet, GMC, Isuzu; 2005‑00 Workhorse – 674-446

Exhaust manifold kit for 2003-96 Chevrolet, GMC, Isuzu and 2005-00 Workhorse that replaces warped or cracked OEM manifolds.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• High-grade ductile iron construction
• Includes required gaskets and hardware
• Quality engineering designed and tested in the United States

Benefits

• Greater durability against heat and stress
• Reduces risk of future cracks or warping
• Easy to install with included hardware
• Maintains engine performance and emissions compliance

Application

This part is for owners of 2003-96 Chevrolet, GMC, Isuzu models and 2005-00 Workhorse vehicles needing a reliable exhaust manifold replacement.

Fitment Notes

• Chevrolet 2003‑96
• GMC 2003‑96
• Isuzu 2003‑96
• Workhorse 2005‑00

Why Choose Dorman - OE Solutions?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they’re made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What’s in the Box

• 1 KT

Item Dimensions

• 23.9in x 9.7in x 6.7in, 17.5lbs