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Ford Focus Air Filter Box

3 items

Upgrade your vehicle's air filter box with A-Premium's high-quality options. Choose reliability and durability for a smoother ride.

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Air Cleaner Intake Filter Box for Ford Focus 2008-2011 2.0L Standard EmissionsAir Cleaner Intake Filter Box for Ford Focus 2008-2011 2.0L Standard Emissions
A-Premium®Part # APAFB026
Air Cleaner Intake Filter Box for Ford Focus 2008-2011 2.0L Standard Emissions
4.812 Reviews
$143.99
Low stock: Only 3 left
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3-year warranty
90 days free return
Fits 2008 - 2010 Ford Focus, 2008 - 2011 Ford Focus
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Item LocatedUnited States
Quantity1
ColorBlack
item #1003GG7R
Note
The air strainer is not included in the part and this part fulfills the standard emissions.
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Engine Air Cleaner Filter Box with Air Filter for Ford Focus 2008-2011 L4 2.0L
A-Premium®Part # APAFB057
Engine Air Cleaner Filter Box with Air Filter for Ford Focus 2008-2011 L4 2.0L
4.812 Reviews
$159.99
Low stock: Only 3 left
Edit ZIP code
90 days free return
Fits 2008 - 2011 Ford Focus
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Item LocatedUnited States
Quantity2
Installation PositionFront Side
Part interchange
9S439C662AB, 9S4Z9600C, 319-00641, 9S439C662AC, 9S4Z9600A, CA10488, AF1890, A3150C, 
...View more
item #1001CGTX
Note
Engine Air Filter Box -- without Air Strainer, Standard Emissions.
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Engine Air Cleaner Filter Box Housing for Ford Focus 2005-2007 L4 2.0L L4 2.3L
A-Premium®Part # APAFB105
Engine Air Cleaner Filter Box Housing for Ford Focus 2005-2007 L4 2.0L L4 2.3L
4.812 Reviews
$134.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2007 Ford Focus, 2005 - 2007 Ford Focus
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Item LocatedUnited States
ColorBlack
ConditionNew
item #1013DNP9
Note
Ford Focus L4 2.0L fit the model without PZEV Evaporative Emissions.
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What is an air filter box in a car?

The air filter box, also referred to as the air cleaner housing or air filter housing, is an essential component found in a car's intake system. Its main purpose is to house the air filter and ensure that the engine receives clean air for combustion.

Typically constructed from sturdy plastic or metal, the air filter box is positioned between the engine's intake manifold and the air intake duct. Its role is to create a sealed and protected environment for the air filter. The air filter itself is a critical element that captures dust, debris, and other harmful particles from the incoming air, safeguarding the engine's internal components.

Air filter box replacement

Over time, the air filter box itself can become damaged, cracked, or worn out, compromising its effectiveness. Air filter box replacement is an important maintenance task for ensuring the optimal performance and longevity of a car's engine.

When replacing the air filter box, it is essential to choose a high-quality replacement part that matches the specifications of your vehicle. This ensures proper fitment and functionality. While the process of replacing the air filter box may vary depending on the specific vehicle, it generally involves disconnecting the air intake duct, removing the old air filter box, and installing the new one. It is important to take care of the new air filter box during the replacement process to avoid damaging any surrounding components and to ensure proper sealing and attachment.

Are oiled air filters better than dry filters for performance?

The debate between oiled air filters and dry filters is a topic of discussion among car enthusiasts and experts. Both types of filters have their advantages and considerations. Oiled filters are often favored for performance-oriented applications where maximum airflow and filtration are desired, but they require careful maintenance. Dry filters offer convenience and ease of use but may have slightly lower airflow potential. It's crucial to consider the specific requirements of your vehicle, the environment in which you drive, and your willingness to perform regular maintenance when making a decision. Therefore, the choice between oiled and dry filters depends on your priorities and preferences.

Related Blogs

When and How to Change Your Air Filter Box

While most drivers dutifully replace their engine's air filters on schedule, the unsung hero of the air intake system is often overlooked - the air filter box. It plays a vital role in protecting your engine from harmful contaminants.

Jul 21, 2026