ECOGARD Engine Air Filter XA4878 for Ford F-150 & E-Series (1997–2019) — High-Capacity Multilayer Media

Replacing the engine air filter is one of the simplest maintenance steps that can protect the intake system and help keep engine performance consistent between services. The ECOGARD XA4878 is built with multilayer media to capture fine particles while allowing the airflow your engine needs. It fits a wide range of Ford trucks, vans and SUVs produced between 1997 and 2019 — including many F-150, E-Series and Super Duty models — and is intended to be swapped at roughly 12,000-mile intervals or per the vehicle manufacturer’s service schedule.

Which vehicles does this ECOGARD XA4878 filter fit?

XA4878 is compatible with numerous Ford models and engine sizes across multiple years. Always verify fitment with your vehicle’s year, make, model and engine size before purchasing.

• Fits Ford F-150, E-150/E-250/E-350/E-450, Excursion and Expedition models listed from 1997–2019.
• Covers engines including 4.2L, 4.6L, 5.4L, 6.2L and 6.8L where specified.
• Replaces common OEM and aftermarket part numbers such as Ford F50Y-9601A and FRAM CA8039.

How does the XA4878 help engine performance and fuel efficiency?

The filter uses high-capacity media to remove airborne contaminants before they reach the intake, helping preserve throttle response and consistent combustion conditions. Cleaner air delivery supports steady engine behavior and can help maintain factory fuel economy between service intervals.

• Advanced filtration media traps dust, pollen and road particles.
• Designed to allow controlled airflow so the engine breathes effectively.
• Helps maintain consistent power and response during the recommended service period.

What are the service and replacement recommendations?

ECOGARD recommends replacing the engine air filter every 12,000 miles or as advised by your vehicle manufacturer. Environmental conditions affect service needs: dusty or off-road use may require more frequent replacements, while mostly highway driving may extend the interval.

• Standard recommendation: replace every 12,000 miles or 12 months.
• Inspect the filter at routine oil changes or if you notice reduced acceleration or unusual engine noises.
• Swap filters more often in dusty, sandy, or heavy-pollution environments.

How easy is it to install the ECOGARD XA4878?

Installation is typically straightforward and requires few or no tools on most compatible Ford models. The filter drops into the factory airbox in minutes, making it a practical DIY service for most owners and technicians.

• Most installations take only a few minutes with minimal tools required.
• Direct-fit design matches the OEM housing shape and seal points.
• Includes replacement guidance when matching against your vehicle filter lookup.

Who is this product for? The ECOGARD XA4878 is aimed at owners and fleet managers of late-1990s through 2019 Ford trucks, vans and SUVs who want a direct-fit, high-capacity replacement air filter. It’s suited for drivers who perform routine vehicle maintenance themselves, technicians servicing work trucks and commercial fleets, and anyone looking to protect engine components from airborne contaminants while preserving reliable airflow. Always confirm fitment for your specific model and engine before ordering to ensure proper sealing and performance.