You are purchasing a Master Seal Kit 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. 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! Pump Shaft Seal included. We include an "actual size" sheet so you can match up the O Rings and know whre they go on the unit. Kit is MADE IN THE USA. Kit also contains individual O Ring Kits for Meyer E-47, E-57, and E-60 pump solenoid Valves. Includes O Rings kits for the A, B, C, and Crossover Relief Valve. There is NO Kit available that includes EVERY O Ring. The Master Seal Kits Meyer sells do not include Pump Shaft Seals for the E-47 or E-57. The Pump Shaft Seal is sold separately.