The Piston Seal Kit consists of an O-ring seal and a backup ring. The O-ring seals to avoid leaks or seepage of fluids in areas where two parts come into contact. The backup ring is to provide additional support to the O-ring Seal, helping to prevent it from extruding or being damaged under high pressure or temperature conditions.Attributes:• Has low friction properties, reducing wear and tear on mating surfaces• Creates a tight seal between the partsApplications:The Piston Seal Kit is a service and replaceable part to ensure proper sealing and maintain the integrity of the axle piston ensuring optimal performance.