07000-B3032 Seal O Ring Internal Pump Fits Komatsu Internal Pump AssembliesOne New Aftermarket Replacement Seal O Ring for Komatsu Construction Equipment This O ring seal (part number 07000 B3032) is used throughout Komatsu hydraulic oil pump assemblies, HST pump circuits, hydraulic piping, and cut off valve systems across a wide range of Komatsu bulldozers, excavators, and wheel loaders. It provides a leak free seal in hydraulic and fluid circuits, helping maintain system pressure and protecting critical drivetrain and