This kit contains seals for all 8 seal locations (9 seals) that you need to re-seal the entire steering actuator. It has two(2) large outer seals that seal the outer floating housing to the inner housing. It has the end cap O-ring seal as well as the rod pressure seal and wiper seal. There are 2 small O-ring seals for the 2 bronze pressure line fittings as well as the two different versions of piston seals that were used in the various models of these actuators. The three cup style pressure seals are made from Viton which is the best longest life solution for ATF.