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Subaru Forester Air Injection System Parts

This page covers air injection system parts for the Subaru Forester, spanning model years 1998–2020. The range includes catalytic converter air tubes and secondary air injection check valves — the two core components that make up this system. Select your year above and we'll show only the air injection system parts that fit your Subaru Forester. Fitment is checked against our vehicle data for every part listed.

1 - 5 of 5 results

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Picture of Dorman Secondary Air Injection Check Valve

Dorman Secondary Air Injection Check Valve

38 reviews
Vehicle Specific
from $78
In Stock (10+)
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Picture of Standard Motor Products Secondary Air Injection Pump

Standard Motor Products Secondary Air Injection Pump

31 reviews
Vehicle Specific
from $153
In Stock (10+)
Picture for manufacturer Standard Motor Products
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Picture of Standard Motor Products Air Injection Diverter Valve

Standard Motor Products Air Injection Diverter Valve

5 reviews
Vehicle Specific
from $74
In Stock (10+)
Picture for manufacturer Standard Motor Products
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Picture of Keystone Bumper Cover Retainer

Keystone Bumper Cover Retainer

21 reviews
Vehicle Specific
from $5
In Stock (10+)
Picture for manufacturer Keystone
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Picture of Dorman 911-169 Air Injection Reaction Check Valve

Dorman 911-169 Air Injection Reaction Check Valve

55 reviews
Part: 911169
Vehicle Specific
$219.67
In Stock (10+)
Picture for manufacturer Dorman

What's here for your Subaru Forester

  • Catalytic Converter Air Tubes
  • Secondary Air Injection Check Valves

The widest selection here comes from Keystone, Dorman, and Standard Motor Products. Other categories Subaru Forester owners shop for: Subaru Forester Springs and Suspension Parts, Subaru Forester Shocks and Struts and Subaru Forester Brake Service Kits, or browse all Subaru Forester parts and accessories.