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OEM Subaru Air Intake Parts

The engine in your Subaru vehicle requires both fuel and oxygen to produce power. The factory air intake – also known as an air induction system – is the best way to feed the engine's combustion chamber that air it needs.

How an Air Intake Works

Air travels through an engine air filter, which removes any pollutants. An airflow sensor in the throttle body helps the engine control the amount of air used. An air metering system provides feedback to any engine control unit (ECU). Oxygen sensors measure exhaust air levels, helping to ensure that the engine is running on an optimized air-to-fuel mixture. Some systems add a cold air intake to draw in colder, denser air to increase power output.

How to Identify Air Intake Issues

Here are some indications of a failing air intake system:

  • The engine idles at a higher than usual level
  • Your engine performance suffers
  • The "Check Engine" light comes on

Whether you're repairing your air intake or looking to upgrade to gain a power output boost, take a look at the options offered in our online auto parts inventory. We've got the best parts for your vehicle, because we only stock the genuine Subaru components that are guaranteed to work. Order now to save time and money!

22641AA73A - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA73A
Legacy, Outback. Front. 3.6l. Left.
$221.09
MSRP $329.00
Save $107.91
32.8% Off
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16578AA020 - : Air Inlet Case Spacer for Subaru Image

Air Inlet Case Spacer

Subaru 16578AA020
3.0L. 2.5L without turbo, 2009-10. 2.5L sohc, 2000-02. 2.5L sohc, 1999. 2.5L 2002-04. 2.5L sohc 2003-04.
$2.50
MSRP $3.23
Save $0.73
22.6% Off
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22641AA71A - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA71A
Legacy, Outback. Front. 2.5l.
$228.03
MSRP $339.33
Save $111.30
32.8% Off
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22641AA68A - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA68A
Legacy, Outback. Front. 3.6l. Right.
$183.40
MSRP $272.91
Save $89.51
32.8% Off
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22641AA66A - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA66A
Legacy. Without turbo. Outback. Front. 2.5l.
$148.19
MSRP $220.52
Save $72.33
32.8% Off
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22641AA52A - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA52A
Sensor Air/Fuel Ratio. Sensor A/F Ratio. Fits Legacy Oxygen Sensor A failed Oxygen Sensor will often have no noticeable symptoms...
$137.83
MSRP $205.10
Save $67.27
32.8% Off
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22641AA42A - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA42A
Sensor Air/Fuel Ratio. Sensor A/F Ratio. Fits Legacy, Outback Oxygen Sensor A failed Oxygen Sensor will often have no noticeable...
$136.04
MSRP $202.43
Save $66.39
32.8% Off
View Details
22641AA640 - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA640
Sensor Air/Fuel Ratio. Sensor A/F Ratio. Fits BRZ Oxygen Sensor A failed Oxygen Sensor will often have no noticeable symptoms beyond a...
$198.52
MSRP $295.42
Save $96.90
32.8% Off
View Details
22641AA870 - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA870
Forester. 2.5l. Upstream. With hybrid.
$206.08
MSRP $306.67
Save $100.59
32.8% Off
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22641AA54A - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA54A
Legacy. Without turbo. Outback. Front. 2.5l.
$144.45
MSRP $214.95
Save $70.50
32.8% Off
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22641AA720 - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA720
2.5L. WRX STI. Front.
$216.10
MSRP $321.58
Save $105.48
32.8% Off
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22641AA790 - : Air/Fuel Sensor for Subaru Image

Air/Fuel Sensor

Subaru 22641AA790
WRX. Downstream.
$199.42
MSRP $296.75
Save $97.33
32.8% Off
View Details

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