Air suspension parts question

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I just removed my compressor last night and replaced with tee fitting. Inflated with bike pump, sagging again this morning. I guess I need new springs. I'm looking at parts from online sources and noticing two different compressors. My question, are they the same except for the additional bracket and dryer hose on the ext? I have an Envoy XL, but I an sure I can salvage the old bracket and dryer hose if it will save me $100.

Thanks for the help

 

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As I am looking at the parts, I am noticing that the regular models are side mounted while mine is bottom mounted, I guess it won't work.