Info needed

[A.W.O.L]

Could anyone tell me wat part this is.?
Is seem to hav some kind of electric spinning part inside...

[trini iceman]

Secondary AIR pump for emissions. Subaru gurus can confirm or berate me.

[A.W.O.L]

Oh ok...now I hav an area of search...

[trini iceman]

Search what exactly?

[A.W.O.L]

Its purpose in the engine etc...

[trini iceman]

Oh. It's for oxidizing the hydrocarbons and carbons that are released during early stages of warm-up. It helps pass emissions testing and helps out the cat to burn off the poisons.