FA-1778 Engine Air Filter | Ford F-250 F-350 F-450 F-550 Super Duty 6.0L Powerstroke Replacement Filter
High-quality FA-1778 engine air filter for Ford Super Duty 2003–2007 6.0L Powerstroke diesel engines. Replaces 3C3U-9601-BC, 4C3Z-9601-AA, CA9516. Ensures clean airflow, engine protection, and improved performance.
Description
FA-1778 Engine Air Filter for Ford Super Duty 6.0L Powerstroke (2003–2007)
The FA-1778 Engine Air Filter is a high-efficiency OEM-equivalent air filtration component designed specifically for Ford Super Duty trucks equipped with the 6.0L V8 Turbo Powerstroke diesel engine. It is compatible with Ford F-250, F-350, F-450, and F-550 models from 2003 to 2007, as well as Ford Excursion models from 2003 to 2005.
This air filter plays a vital role in protecting the engine by ensuring that only clean, filtered air enters the combustion chamber. It effectively traps dust, sand, soot, pollen, and other airborne contaminants that can cause premature engine wear and reduce overall performance. As explained in this overview of how engine air filters work, a properly functioning air filter also helps keep fuel combustion clean, supporting better overall gas mileage in addition to protecting internal engine components from debris.
By maintaining stable airflow and high filtration efficiency, the FA-1778 air filter helps improve combustion quality, enhance fuel efficiency, and extend engine service life. It is widely used in fleet maintenance, diesel repair workshops, and aftermarket replacement markets due to its reliable fitment and durable construction.
Product Features
- Direct replacement for FA-1778 / 3C3U-9601-BC / 4C3Z-9601-AA / CA9516
- Compatible with Ford 6.0L V8 Turbo Powerstroke diesel engines
- Fits Ford Super Duty trucks (2003–2007) and Excursion (2003–2005)
- High-efficiency pleated filter media
- Excellent dust and fine particle filtration
- Stable airflow for optimal engine combustion
- OEM-grade sealing design for precise fitment
- Heavy-duty construction for demanding diesel environments
- Helps improve fuel efficiency and throttle response
- Reduces engine wear and intake contamination
- Factory direct supply available
- OEM & ODM customization supported
Product Specifications
| Item | Specification |
|---|---|
| Product Name | Engine Air Filter |
| Model Number | FA-1778 |
| OEM Numbers | 3C3U-9601-BC / 4C3Z-9601-AA / CA9516 |
| Vehicle Application | Ford Super Duty / Ford Excursion |
| Model Years | 2003–2007 |
| Engine | 6.0L V8 Turbo Powerstroke Diesel |
| Filter Type | Panel Engine Air Filter |
| Filtration Media | High-Efficiency Cellulose / Synthetic Blend |
| Function | Engine Air Intake Filtration |
| Installation | Direct Replacement |
| Service | OEM / ODM Available |
| Origin | China |
Compatible Vehicles
Ford Super Duty Trucks
- Ford F-250 Super Duty (2003–2007)
- Ford F-350 Super Duty (2003–2007)
- Ford F-450 Super Duty (2003–2007)
- Ford F-550 Super Duty (2003–2007)
Ford SUV
- Ford Excursion (2003–2005) 6.0L Diesel
These vehicles are commonly used in:
- Heavy-duty freight transport
- Construction and infrastructure work
- Agricultural operations
- Fleet logistics and delivery services
- Government and utility fleets
⚠️ Always verify OEM part number before purchase.
Cross Reference Information
This air filter replaces:
- FA-1778
- 3C3U-9601-BC
- 4C3Z-9601-AA
- CA9516
- A2991C
- AF26152
- MA1155
- CA4999
- P603577
Product Benefits
Engine Protection
Effectively blocks dust and debris from entering the engine, reducing wear on pistons, cylinders, and valves.
Stable Airflow Performance
Ensures consistent airflow for efficient combustion and smooth engine operation under load.
Improved Fuel Efficiency
Clean air intake supports optimal air-fuel mixture, improving fuel economy and combustion efficiency.
Extended Engine Life
High dust-holding capacity helps extend service intervals and reduce long-term maintenance costs.
Product Parameters
| Parameter | Value |
|---|---|
| Filtration Efficiency | High |
| Airflow Resistance | Low |
| Dust Holding Capacity | High |
| Filter Type | Panel Air Filter |
| Seal Type | OEM Equivalent |
| Operating Environment | Diesel Engine Air Intake Systems |
Typical Applications
Suitable for:
- Diesel repair workshops
- Ford dealership service centers
- Fleet maintenance companies
- Heavy-duty truck operators
- Construction equipment fleets
- Aftermarket distributors
- Export wholesale markets
Quality Assurance
Each FA-1778 air filter is manufactured under strict quality control standards, including:
- Filtration efficiency testing
- Airflow resistance testing
- Structural durability inspection
- Seal integrity verification
- Dimensional accuracy checks
These ensure stable OEM-equivalent performance across production batches.
Why Choose Our Air Filters?
As a professional filter manufacturer, we supply high-quality air, oil, and fuel filtration products for global OEM and aftermarket customers.
Contact our sales team today for a bulk quote and free samples!
Our Advantages
- OEM-grade manufacturing standards
- Factory-direct pricing
- Stable production capacity
- Private label & custom packaging
- Fast global shipping
- Low MOQ support
- Strong export experience
Frequently Asked Questions
Is FA-1778 compatible with Ford 6.0L Powerstroke engines?
Yes, it is designed for Ford Super Duty trucks and Excursion models with 6.0L diesel engines.
Does it replace 3C3U-9601-BC?
Yes, it is a direct OEM replacement for 3C3U-9601-BC and related part numbers.
Is it suitable for fleet use?
Yes, it is widely used in commercial and fleet maintenance applications.
Do you offer OEM customization?
Yes, OEM branding and private label services are available.





