Seems to work great so far. Original pump was so bad it was creeping down almost as fast as I could pump it up. Had been thinking about getting a bottle jack and modifying the controls to fit, but finally took the easy way and bought this.
Anyway, this new one is holding great, although I want to use it a while and through different temperatures before final judgement.
Instruction would have been helpful. It wasn't immediately apparent to me how the rods are removed. The ones that go through the lift frame and into the pump. But, thanks to another review finally realized I could thread in a long 5/16 bolt. They pulled out easily with that. Another review said you need to go buy steel rod to replace these. I don't see why. The original ones swap over to the new pump just fine.
Minus 1 star for the set screws. One threaded in fine, the other wouldn't thread in no matter how long I tried. Then I messed up and mistook the 6mm thread for 1/4-28. Tried to chase the threads with that size tap, wrecked the threads enough that the set screw wouldn't tighten. So, went and bought 8mm ser screws, drilled out to the right tap drill size, tapped. Those threads seem to be very robust. Tightened up set screws and they feel like they could go much tighter. (No need tho; only needs to keep the rods from working their way out).
I suspect that the pump was a rebuilt HF unit that had bad threads. My suggestion would be to drill these out and tap 8mm-1.25 threads and include 8mm set screws. Could save your customers some time.