Key Features: Engineered for Extreme Conditions: Protects your engine from dust, water, and debris to ensure reliable performance on every adventure. Durable, UV-Stable Construction: Manufactured in the USA from cross-linked polyethylene for exceptional strength and long-lasting durability. Optimized for All Engines: Applications are available for both 6.6L gasoline and 6.6L Duramax diesel engines. Seamless Fit & Finish: Enhances your truck’s appearance while providing unmatched functionality. Made in the USA: Precision-engineered to meet AEV’s high standards of quality and performance.