Dorman - OE Solutions Exhaust Manifold Kit with Required Gaskets And Hardware for 2016 Chevrolet 2016 GMC 2011 Workhorse 2005 Workhorse Custom Part Number 674-731

Exhaust manifold kit for 2016 Chevrolet, 2016 GMC, 2011 Workhorse, and 2005 Workhorse custom chassis by Dorman - OE Solutions replaces the original manifold with all required gaskets and hardware.

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

Key Features

• Precision-engineered to match OEM fit and function
• Durable manufacturing ensures long life
• Includes all necessary gaskets and downpipe hardware
• Complete repair kit eliminates missing parts

Benefits

• Ensures a full, reliable replacement of the original manifold
• Saves time by providing all required components in one package
• Reduces risk of leaks or fitment issues with OEM-quality gaskets
• Supports consistent exhaust flow for optimal engine performance

Application

This part is ideal for vehicle owners needing a complete manifold replacement on the specified models.

Fitment Notes

• 2016 Chevrolet 2016 GMC 2011 Workhorse 2005 Workhorse Custom Chassis

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

• Includes 1 kit

Item Dimensions

• 19.5in x 8.6in x 5.6in, 11.8lbs