Air Injection Check Valve - 1AEMX00156

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This Air Cleaner Check Valve is a new, aftermarket part. It mounts on the engine and is used to control the flow of vapors from the EVAPORATIVE system to the intake manifold. It is controlled by the vehicles main computer or ECM. When the ECM sends the activation signal, a plunger in the valve will move to seal the vent. The ability to seal the vent is necessary for the on board diagnosis of other evaporative loss system components. This solenoid valve is used only for diagnosis, and usually remains opened. When the vent is closed, under normal purge conditions, the evaporative loss system is depressurized and allows "EVAP Control System (Small Leak)" diagnosis. If this valve is defective, the Check Engine Light will illuminate to Set with Small Leak Diagnosis. Some of the trouble codes associated with this part being defective are: P1456, P1448, P0449, and P0455.


  • Air Cleaner Check Valve
  • Replaces dealer part number: 12619110
  • Mounts on engine
  • Direct replacement
  • Built to strict quality control standards
  • Fits models with L6 4.2L Engine only

Over time and daily use the electronic valve can wear out causing the check engine light to set. If the valve is the problem, replace it now with this great fitting alternative.

Item Condition: New

Attention California Customers:

WARNING: Cancer and Reproductive Harm -

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

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Year Make Model Description
2006-2007Buick Rainier Buick Rainier Air Injection Check Valve L6 4.2L
2006-2009Chevy Trailblazer Chevy Trailblazer Air Injection Check Valve L6 4.2L
2006Chevy Trailblazer EXT Chevy Trailblazer EXT Air Injection Check Valve L6 4.2L
2006-2009GMC Envoy GMC Envoy Air Injection Check Valve L6 4.2L
2006GMC Envoy XL GMC Envoy XL Air Injection Check Valve L6 4.2L
2006-2009Saab 9-7X Saab 9-7X Air Injection Check Valve L6 4.2L
Only 1 left in stock
Part #: 1AEMX00156

Order must be placed by 4pm ET
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