CARMOCAR FA1778 Direct-Fit Air Filter for Ford 6.0L Power Stroke Super Duty F-250/F-350/F-450/F-550 — High-flow Particle Protectio

CARMOCAR FA1778 is a direct-fit engine air filter designed to replace OEM part numbers for Ford 6.0L Power Stroke V8 Super Duty and Excursion models, providing consistent airflow and particle capture.

This replacement air filter is built for 2003–2007 Ford 6.0L Power Stroke Turbo Diesel engines used in F-250, F-350, F-450, F-550 Super Duty trucks and 2003–2005 Excursion SUVs. It combines a folded cellulose-blend filter media with a molded plastic frame to give reliable contaminant removal and maintain steady intake flow under heavy loads and dusty conditions. The CARMOCAR FA1778 is sold as a serviceable aftermarket option that matches common OEM reference numbers so you can swap it into the stock airbox with minimal fuss.

Will this filter fit my 6.0L Ford Super Duty?

This model is made to match the key dimensions and installation points used by the factory filters on 6.0L Power Stroke V8 engines from 2003 through 2007, plus Excursion 2003–2005. Always compare the physical shape and OEM cross-reference before purchase.

• Fits: 2003–2007 Ford F-250, F-350, F-450, F-550 Super Duty
• Also fits: 2003–2005 Ford Excursion
• OEM cross-references included: FA1778, 3C3U-9601-BC, 3C3Z-9601-BA, and others
• Check: confirm airbox shape and part number match before install

How does this air filter affect engine breathing and protection?

The CARMOCAR filter uses folded paper media treated to trap fine particles while preserving airflow. That balance helps keep contaminants out of the intake tract and supports steady combustion air delivery under load.

• Media: folded cellulose blend for efficient particle capture
• Particle capture: designed to remove the majority of common contaminants
• Flow: media and frame geometry maintain stable intake air volume
• Durability: rigid plastic frame resists deformation during service

What are the main build features and replacements it covers?

The filter combines reliable paper filter pleats and a sturdy injection-molded plastic frame to hold its shape and seat securely in the factory airbox. It replaces a long list of OEM and aftermarket reference numbers, simplifying buying and fitment for older Super Duty trucks.

• Construction: folded cellulose mix filter element with rigid plastic frame
• Replaces: FA1778 and cross-reference numbers such as A2991C, AF26152, CA9516
• Service life: designed for long-lasting use in typical driving conditions
• Installation: direct-fit, drop-in replacement for stock airbox

How do I maintain or replace this air filter?

Inspect the air filter at regular service intervals or more often if you drive in dusty environments. Swap the element when airflow restriction or visible contamination is evident; a clean intake filter supports engine efficiency and component longevity.

• Inspection: check at every oil change or after heavy off-road use
• Replacement sign: heavy soiling, torn media, or reduced airflow
• Installation tip: ensure the filter seats fully and the airbox seal closes snugly
• Customer support: CARMOCAR offers a one-year service period for product issues

Who is this for: The CARMOCAR FA1778 replacement is aimed at owners and technicians of 2003–2007 Ford 6.0L Power Stroke Super Duty trucks and 2003–2005 Excursions who want a dependable aftermarket air filter that matches common OEM cross-references. It’s appropriate for daily drivers, work trucks, and light off-road use where straightforward, cost-effective engine protection is required. Always verify part fitment against your vehicle’s current filter and part number before purchasing.