ZD 150*180*16/30 Rectangular Double Spring Combined Skeleton Oil Seal Multi-Brand Precision Wheel Reducer Seal For CG930 ZL30E LW300F LG930 SEM630 Replacement Describe: Engineered for parts distributors, multi-brand dealerships and mixed-fleet maintenance operations, this ZD series 150×180×16/30 double spring combined skeleton oil seal offers precision cross-brand compatibility across 12 mainstream 3-ton wheel loader models from CG, ZL, LW, CLG, LG, XG and SEM manufacturers.