THIS IS AN OEM ROTARY PUMP PART # FA5121. THIS IS A NEW ROTARY LIFT OEM AIR OVER HYDRAULIC ROLLING JACK PUMP FOR MANY 6-7K LBS ROLLING / BRIDGE JACKS AND A RETRO FIT KIT TO HELP CHANGE FROM A CYLINDER / BULLET STYLE PUMP TO THE NEW SQUARE PUMP CURRENTLY AVAILBLE THROUGH ROTARY.
eBay