Size Chart
×
The aFe ProGuard 7 air filter 44-FF013-MB is a high-flow replacement filter built to outperform the factory paper element in both filtration efficiency and airflow. Engineered from seven-layer synthetic media, this filter delivers measurably higher flow rates than stock while maintaining the filtration needed to protect your engine. The 44-FF013-MB installs directly into your factory airbox in minutes using no tools and no modification, making it the fastest upgrade you can make to your intake system.
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2008-2009 | Ford | F-250 Super Duty | FX4 |
| 2008-2009 | Ford | F-350 Super Duty | FX4 |
| 2008-2010 | Ford | F-250 Super Duty | Harley-Davidson Edition |
| 2008-2010 | Ford | F-250 Super Duty | King Ranch |
| 2008-2010 | Ford | F-250 Super Duty | Lariat |
| 2008-2010 | Ford | F-250 Super Duty | XLT |
| 2008-2010 | Ford | F-350 Super Duty | Harley-Davidson Edition |
| 2008-2010 | Ford | F-350 Super Duty | King Ranch |
| 2008-2010 | Ford | F-350 Super Duty | XL |
| 2008-2010 | Ford | F-350 Super Duty | XLT |
| 2009-2010 | Ford | F-250 Super Duty | Cabela's |
| 2009-2010 | Ford | F-350 Super Duty | Cabela's |
| Detail | Value |
|---|---|
| Part Number | 44-FF013-MB |
| Brand | aFe Power |
| Filter Media | ProGuard 7 |
| Filter Type | High-Flow Replacement |
| Reusable | Yes |
| UPC | 802959441169 |
Under normal conditions, clean and re-oil your aFe ProGuard 7 filter every 30,000 to 50,000 miles. In dusty environments, inspect it more frequently. Always use aFe Power's dedicated cleaning and oiling kit for proper maintenance.
Will this filter increase horsepower over the OEM paper element?Yes. The 44-FF013-MB flows significantly more air than the factory disposable paper filter, allowing the engine to breathe more freely. In combination with a full intake system, gains are more pronounced, but a filter upgrade alone delivers measurable improvement in throttle response.
Can I over-oil this filter and damage my MAF sensor?Yes, it is possible to apply too much oil when reconditioning a wet-media filter. Always apply oil lightly and evenly, allow it to wick for 20 minutes, and blot any excess before installation. The ProGuard 7 .
Does this filter fit my factory airbox without modification?Yes. The 44-FF013-MB is precision-molded to the exact dimensions of the OEM filter element. It drops directly into your factory housing and seals against the factory airbox lid without any trimming or modification.
How does a reusable filter compare to replacing with a new OEM filter?Over a typical ownership period, a reusable aFe filter costs less to maintain than buying replacement OEM paper filters every 15,000 to 20,000 miles. It also consistently outflows the OEM element throughout its service life rather than degrading as the paper loads up with debris.
Will this filter void my factory warranty?Under the Magnuson-Moss Warranty Act, a dealer must demonstrate a direct causal link between your aftermarket filter and a specific failure to deny a warranty claim. A high-flow air filter cannot be used as a blanket reason to void your powertrain warranty.
Is this filter compatible with a cold air intake tube?This is a drop-in filter designed for use in a factory airbox. If you are building a full cold air intake, aFe Power offers intake systems designed around their filter canisters. Contact us to find the correct intake system for your build.
What is the warranty on this air filter?aFe Power provides a limited manufacturer warranty on materials and workmanship. As a reusable filter, warranty claims related to improper cleaning or oiling are excluded. Contact aFe Power or us for current warranty documentation.
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
Shop aFe Power performance parts at Black Ops Auto Works for vehicle-specific airflow, filtration, exhaust, cooling, suspension, and diesel performance upgrades. aFe Power, also known as Advanced FLOW Engineering, is trusted by performance enthusiasts for cold air intakes, air filters, cat-back exhaust systems, DPF-back exhaust systems, axle-back exhausts, throttle body spacers, intercoolers, charge pipes, differential covers, sway bars, wheel spacers, and diesel truck upgrades. Whether you drive a daily driver, diesel truck, off-road build, turbo car, muscle car, SUV, or track-focused performance vehicle, Black Ops Auto Works carries aFe Power parts designed to improve airflow, throttle response, exhaust flow, cooling efficiency, drivetrain durability, and overall performance. Shop aFe Power Parts by Category Browse aFe Power upgrades across popular performance categories, including: aFe cold air intakes aFe air filters aFe cat-back exhaust systems aFe axle-back exhaust systems aF...
View aFe Products
This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...
View Engine Products
A properly designed fuel delivery system is the backbone of any high-performance engine build, ensuring the injectors or carburetor receive a consistent supply of fuel at the correct pressure regardless of engine load, RPM, or fuel demand. From factory replacement pumps keeping daily drivers on the road to high-flow in-tank modules supporting 1000-horsepower builds, the right fuel delivery components prevent lean conditions, injector damage, and fuel starvation at the worst possible moment. Modern EFI systems are particularly sensitive to fuel pressure variation, with even small drops causing misfires and power loss under hard acceleration. Whether you are restoring a factory system or engineering a purpose-built race setup, matching pump flow rate and fuel pressure regulation to your injector and engine requirements is essential. Popular Upgrades Top-selling fuel delivery components include Aeromotive Phantom in-tank fuel pump kits that retrofit into factory tanks without custom fa...
View Fuel Delivery Products
Fuel filters perform a critical protective function by preventing particulate contamination from reaching injectors, carburetor jets, and fuel pump internals where even microscopic debris causes accelerated wear and reduced spray pattern quality. Modern common-rail diesel injectors operate at pressures exceeding 30,000 PSI and have clearances measured in microns, making filtration quality directly linked to injector service life. On gasoline EFI systems, a partially clogged filter causes lean conditions, rough idle, and poor throttle response that are often misdiagnosed as sensor failures or vacuum leaks. Replacing fuel filters at the manufacturer-recommended interval is one of the most cost-effective maintenance practices for any fuel-injected or carbureted vehicle. Popular Upgrades Top-selling fuel filters include ACDelco and Motorcraft OEM-spec replacement filters for GM and Ford gas and diesel platforms, FASS Titanium series fuel filters for Cummins and Duramax diesel upgrades, ...
View Fuel Filters Products