HK104R piston seal, in HPU with POM ring, for 158 mm bore.
HK104R profile piston seal, in HPU with POM ring, size 158x138x11 mm. It fits on the piston of the hydraulic cylinder and separates the two chambers, so that oil does not pass from one side to the other and the cylinder holds its force and position.
From the size, the bore is 158 mm, the groove diameter on the piston 138 mm and the groove width 11 mm.
Before ordering, measure the bore, the groove diameter on the piston and the groove width, and compare them with the sizes given.
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