This came from an upgraded Lectric Leopard with only 1300 miles that was parted out before its time. I'm in the Philly Metro area.
This unit came with the car. So time in storage is more of a concern than time in use, and it worked consistently and perfectly while I used it. Worst case it might need a new diaphragm at some point, but there have been no signs of weakness at all.
Includes a diode across the motor to ease the life of the relay that switches it. Sold as-is cheap.
Price: $80 Shipping weight: 8 lbs. (estimate)
Payment by Paypal or cash in person. Shipping is extra.