http://www.sportslinkup.com/shop/0-A...aerator-1.html
This site is showing old but new $49.99; not sure if they have it in stock. But it may be worth a try.
Good Luck!
You may have to go with a new pump and plumb-it. TSC (tractor supply store) has a lot of plastic parts for ag sprayers that will probably fit screw on and barbs plush hose clamps.
ATTWOOD AERATOR 500 PUMP 4108...NEW OLD STOCK Ref: ATTWOOD AERATOR 500 PUMP 4108...NEW OLD STOCK
$49.99
ATTWOOD AERATOR 500 PUMP 4108...NEW OLD STOCK Ref: ATTWOOD AERATOR 500 PUMP 4108...NEW OLD STOCK
$49.99



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