Harbor Freight Tools Air Compressor 42321 Product Support


Feb 6th, 2010 at 1:28pm

central pneumatic air compressor 42321

for Harbor Freight Tools Air Compressor 42321

need rubber diaphram that goes under on/off switch. Who sells this part and what is the part number?


  • ManualsOnline
    The ManualsOnline team has found the manual for this product! We hope it helps solve your problem.

  • jchistia
    This is a common problem. Any sources?

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  • nathanhelser
    did you find the diaphragm? I need one too.
    azcarfixer@yahoo. com

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  • zg220
    I am also in need of one..?? where can i purchase one?

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