- Replacement for multiple part numbers: FA1778, 3C3U-9601-BC, 3C3Z-9601-BA, 4C3Z-9601-AA, A2991C, AF26152, CA9516, MA 1155, FA-1746, 42731, CA4999, P603577. - Designed for compatibility with Ford 6.0L V8 Super Duty models: F250, F350, F450, F550 (2003-2007) and Excursion (2003-2005). - Package includes: 1 x FA1778 Air Filter. Key Benefits: - Optimizes engine performance: A clean air filter ensures maximum airflow to the engine, promoting efficient combustion and enhancing power output. - Improves fuel efficiency: By preventing dirt and contaminants from entering the engine, this air filter helps maintain optimal fuel usage, potentially saving you money on fuel costs. - Protects engine components: High-quality filtration protects your engine from harmful particles, prolonging its life and reducing maintenance needs. Practical Applications: - Ideal for daily drivers: Whether you're commuting or hauling heavy loads, this air filter is essential for maintaining peak engine performance. - Essential for towing: If you frequently tow heavy trailers or equipment, this filter ensures your engine receives the clean air it needs to perform under stress. - Suitable for off-road enthusiasts: For those venturing into rugged terrain, this air filter provides reliable protection against dust and debris. Quality Attributes: - Constructed with durable materials to withstand tough driving conditions. - Engineered for precise fitment, ensuring straightforward installation and reliability. Make the smart choice for your Ford 6.0L engine with the FA1778 Air Filter. Experience enhanced performance and protection with a quality replacement part.