... Up Ring T3P T3G, Hydraulic Seal T3P T3G The Sizes of the Back Up Ring T3P T3G are avalaible: BACK UP RINGT3G3*6*1.3BACK UP ... RINGT3G4*7BACK UP RINGT3G5*8BACK UP RINGT3G6*9BACK UP RINGT3G7*10BACK UP RINGT3G8*11BACK UP ... , OHM/ODI/OUY,ROI, Back up ring for BRT/T3P/T3G/N4W, Wear ring for WR, Slide ring for KTZ, Main oil seal for ...