Sorry I'm a newb to Audi's and am just learning. Please forgive me.

Today I was cleaning my MAFs and noticed that what appears to be a one way valve is damaged. Please help me ID the part so I can get a new one asap.

::disclaimer:: this is not a pic of my car. I took an image that i found online and edited it to show what part I was talking about.
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its a check valve. its somewhat generic and the same one is used in a few different locations. its like $3 at a dealer, just tell them that there is a check valve near your airbox on a hose connected to the secondary air pump and the guy should know what your talking about.

 

Thank you.