OEM CAT , VOLVO , KOMATSU , HITACHI , KOBELCO , KATO , SUMITOMO , HYUNDAI , DOOSAN , DAEWOO , IHI , HALLA , SAMSUNG, 1. Main components in the seal kits : rod seal IDI , dust seal DKB , buffer ring HBY , piston seal SPGO , SPGW , OUY , ROI , back up ring BRT , wear ring WR , slide ring KZT2. Various seal kits :boom seal kit , arm seal kit , bucket seal kit , adjuster seal kit , center joint seal ...