AA Ignition FA-1927AA
AA Ignition Replacement Air Filter Instruction Manual
Model: FA-1927AA
Product Overview
This AA Ignition Replacement Air Filter is designed for specific Ford vehicles equipped with a 6.7L Diesel Engine. It serves as a direct replacement for the factory air filter, ensuring optimal engine performance and protection from harmful pollutants.

Image: The AA Ignition Replacement Air Filter, showing its pleated filter media and black polyurethane seal.
Key Features:
- Filters harmful pollutants, dirt, and dust from entering the engine.
- Extends internal combustion efficiency and overall engine performance.
- Direct replacement for OEM part numbers FA-1927, HC34-9601-AF, HC3Z9601A, and PA8219.
- Features a high-quality polyurethane seal for durability and a tight fit.

Image: Graphic illustrating the key features of the air filter, including pollutant filtration, performance extension, and direct replacement capability.
Compatibility
This air filter is compatible with the following Ford Super Duty vehicles with a 6.7L Diesel Engine:
- 2017-2019 Ford F-250 Super Duty 6.7L
- 2017-2019 Ford F-350 Super Duty 6.7L
- 2017-2019 Ford F-450 Super Duty 6.7L
- 2017-2019 Ford F-550 Super Duty 6.7L
Replaces OEM Part Numbers:
- FA-1927
- FA1927
- HC34-9601-AF
- HC349601AF
- HC3Z9601A
- HC3Z-9601-A
- PA8219

Image: A graphic listing the compatible Ford F-Series Super Duty models and years for this air filter.
Installation Instructions
The air filter is typically located in the engine bay air box, often positioned front and center on the intake. Refer to your vehicle's specific service manual for detailed instructions and safety precautions before proceeding.
- Locate the Air Box: Identify the air filter housing in your vehicle's engine bay. It is usually a large black plastic box connected to the engine's intake system.
- Open the Air Box: Unclip or unscrew the fasteners securing the air filter housing cover. Some models may require a screwdriver or a socket wrench.
- Remove the Old Filter: Carefully lift out the old air filter. Note its orientation to ensure the new filter is installed correctly.
- Clean the Air Box: Inspect the air box for any debris, leaves, or dust. Clean the inside of the housing with a damp cloth if necessary.
- Install the New Filter: Place the new AA Ignition air filter into the housing, ensuring it sits flush and the polyurethane seal creates a tight fit. The filter should fit snugly without forcing it.
- Secure the Air Box: Reattach the air filter housing cover and secure all clips or screws. Ensure the cover is properly sealed to prevent unfiltered air from entering the engine.

Image: Diagram showing the air filter's placement within the engine bay and highlighting the polyurethane seal for a tight fit.

Image: A close-up view of the air filter installed in an engine bay, demonstrating its proper fit.
Maintenance
Regular maintenance of your air filter is crucial for maintaining engine health and fuel efficiency. The frequency of replacement depends on driving habits and environmental conditions.
- Inspection: Periodically inspect the air filter for signs of dirt, debris, or damage. A heavily soiled filter will appear dark and clogged.
- Replacement Schedule: It is generally recommended to replace the engine air filter every 15,000 to 30,000 miles, or once a year, whichever comes first. However, if you frequently drive in dusty conditions, more frequent replacement may be necessary.
- Symptoms of a Clogged Filter: If you experience symptoms such as a "Check Engine Light" illumination, engine misfiring, increased fuel consumption or poor acceleration, your air filter may need immediate replacement.

Image: A mechanic inspecting an engine, emphasizing the importance of regular vehicle maintenance.
Troubleshooting
If you encounter issues after replacing your air filter, consider the following:
| Symptom | Possible Cause | Solution |
|---|---|---|
| Check Engine Light | Air box not properly sealed; Mass Air Flow (MAF) sensor issue. | Ensure air box cover is securely fastened. Check MAF sensor connection. |
| Poor Engine Performance / Misfiring | Incorrect filter installation; damaged filter. | Re-check filter seating and air box seal. Inspect filter for damage. |
| Unusual Engine Noises | Loose air box components. | Verify all clips and screws are tightened. |
Specifications
| Attribute | Detail |
|---|---|
| Brand | AA Ignition |
| Model Number | FA-1927AA |
| OEM Part Numbers Replaced | FA-1927, FA1927, HC34-9601-AF, HC349601AF, HC3Z9601A, HC3Z-9601-A, PA8219 |
| Shape | Rectangular or Square |
| Automotive Fit Type | Vehicle Specific Fit |
| Item Weight | 1.7 pounds |
| Package Dimensions | 10.6 x 10.5 x 7.85 inches |
| Country of Origin | USA |
| UPC | 810072260840 |
Warranty Information
This AA Ignition air filter comes with a 2-year or 24,000-mile warranty, whichever comes first. This warranty covers defects in materials and workmanship under normal use. If the part fails within the warranty period, please contact the seller for a replacement.
For full details regarding warranty claims and terms, please refer to the manufacturer's official website or contact their customer support.
Customer Support
For any questions, concerns, or assistance with your AA Ignition Replacement Air Filter, please contact your retailer or the manufacturer directly.
AA Ignition Store: Visit the AA Ignition Store on Amazon