This replacement kit included everything that comes with the Pentair 357149 Wet End Pot kit and more. Please see the photos for all the parts included in this kit. You are welcome to use the extra parts or keep them for future replacement for example such as the diffuser or impeller. This kit is a complete 2.0 HP IntelliFlo Wet End kit which includes everything in the photo. It is an excellent replacement for the hard to find Pentair 357149. All parts of this item is compatiable with 1/2HP 3/4HP 1HP 1.5HP 2HP AND 3HP WHISPERFLO AND INTELLIFLO, THE ONLY PART WHICH NEEDS TO GET CHANGED IS THE IMPELLER.