Ok, I am redoing my ac on my 1996 Tahoe. I have ran into a situation I am missing a Part or Parts. The following pics show what it is, I need to know what it is, either I am going to the salvage yard or the dealership. What is this. Click image for larger version. 

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ID:	29310 the part i need goes toward the front of the dash blend motor and pushs toward the front of the dash not toward the engine compartment

Click image for larger version. 

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