The Dorman 674522 Exhaust Manifold is a high-quality, bolt-on replacement part designed for specific vehicle models such as Express, Silverado, and Sierra with a 6.0L engine. Made of durable cast iron material, this uncoated manifold includes a gasket for easy installation. It is a left-hand, front placement part with a silver color finish and features the manufacturer part number 674522. Additionally, this exhaust manifold complies with California Prop 65 Warning and bears the brand of Dorman. Perfect for gas-powered vehicles, this product is a reliable choice for maintaining the emission system of your vehicle. Exact item set is shown. New open box, may include partial packaging. Set weight 17 lbs. Includes the gasket and hardware shown - missing one nut. Cast iron manifold made in India. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties.