Replacement parts for Alton Compressors

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by MIchael R. Kujawski
(Watertown, WI)

I have an Alton 3.2 gallon, 2.5 HP air compressor, about 10 years old. Thank you for the information about changing the oil.

Alton air compressor
Alton air compressor

However, in the process, I broke off the Oil Fill Plug.

The hardware store I bought this at has closed, so I am clueless as to where to look for a replacement. The Alton Industries website is confusing and the Home Depot site may carry it, but their schematic is rather crude and I’m not sure if it is the same thing.


Oil plug
by: Doug in

It might be a press-in affair, but you say “broke”.

Can you put up a pic, or three or …

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I bought an Alton 3.5 gal/2.5 HP at a yard sale with no manual. What oil does this air compressor use? It runs o.k. but just quit building air pressure, I think it’s low on oil . With no manual, I don’t know recommended oil to use or amount it takes to fill compressor to full. Would like to find owners manual also.


I am looking these parts