I purchased this kit when ordering a replacement motor. I found it necessary to go on-line to figure out what gasket went where. A sheet of instructions would have been helpful. Also the large gasket provided for the split impeller casing was a round o-ring, while the original gasket was flat. Fortunately it fit in the casing face and sealed it, although there was some difficulty in getting it to stay in place while the pump was being reassembled. Finally, there was one small o-ring left over which I couldn't figure where to install it. This kit should be purchased when replacing the motor - you'll have a like-new pump.