Doosan DX120 Adjust Cylinder Seal Kit

This track adjuster cylinder seal kit is designed for the Doosan DX120 hydraulic excavator. It contains all necessary seals to rebuild the track adjuster cylinder, including piston seals, rod seals, wiper seals, and backup rings. The kit is manufactured from premium materials including nitrile rubber (NBR), polytetrafluoroethylene (PTFE), and polyurethane (PU) to withstand high pressure hydraulic oil, extreme temperatures, and abrasive conditions. It restores hydraulic cylinder sealing integrity, prevents oil leakage, and maintains track tension performance. Direct replacement for OEM track adjuster seal kits. Compatible with Doosan DX120 and Daewoo DX120 excavators. Verify track adjuster assembly reference before installation.