You are purchasing a Basic Seal Kit 15254 for the E-47/E-57 Meyer Snow Plow Pump. It includes all you need to remove the top cap on the pump, and change the wiper, and O Ring seal under the cap, and the lift ram packing, lift ram base O ring, drain plug O Rings, Filter Plug O Rings, 3 white Nylite washers that go under the three nuts on top of the cap to seal the studs, and the tank O Rings. WE include a sheet with actual size O Rings on it so you know exactly where each O Ring goes (scroll through all images to see it). If you never had the tank off your unit, you will not believe the gunk you will find inside! Everything you need to get 99% of the gunk out of your E-47 or E-57 Meyer Plow Pump. Download the E-47 / E-57 Service Manual off the Meyer web site for FREE to assist you. We include 3 new nylock nuts for the top cap, and 3 new nylock nuts to hold the pump on too! Kit is MADE IN THE USA. Click on Related Items for an OEM Meyer Paint and Decal Kit, and OEM 15254SP Basic Seal Kit.