Jabsco SK890 service kit for Jabsco 50890 series diaphragm pumps: 50890-1000 and 50890-1100.

The waste pump service kit contains the following:

1x Cover

1x Diaphragm

4x Hex Head Screws

1x Recessed Pan Head Screw

4x Washers

2x Joker Valves

2x Ports