Doc's Engine Air and Cabin Filter Kit for Ford Expedition 2018-2024, F-600 Super Duty 2020-2022, F-450 Super Duty 2020-2024, Lincoln Navigator 2019-2021

Doc's Engine Air and Cabin Filter Kit for Ford Expedition 2018-2024, F-600 Super Duty 2020-2022, F-450 Super Duty 2020-2024, Lincoln Navigator 2019-2021

• Confirmed Vehicle Fit: For Ford Expedition 2018-2024, F-600 Super Duty 2020-2022, F-450 Super Duty 2020-2024, F-550 Super Duty 2020-2024, F-53 Motorhome Chassis 2020-2022; and more, see fitment notes; confirm your make, model, and year before ordering.
• Complete Filter Service in One Kit: Includes the engine air filter and the cabin air filter for your vehicle, matched to the same application, so you cover intake and cabin maintenance in a single purchase instead of sourcing two part numbers.
• Restores Engine and Cabin Airflow: The engine air filter clears intake airflow for steady throttle response and fuel economy; the cabin filter restores heater and A/C airflow, replacing two filters that choke performance as they load with dust and debris.
• Direct OEM Replacement: Both filters match the original dimensions and media and drop into the factory airbox and cabin housing with no modification; kit includes engine air filter DA10579 and cabin air filter DC3806, with the full cross-reference in prod
• Buy Once, Fit Guaranteed: Verified fitment for both filters confirms your exact match, so you skip hunting two part numbers and avoid returns; replace at your scheduled filter service, or sooner in dusty conditions.