1:Komatsu 2:oem:131-21-43220 3.Size:366*260*4.1 ot120 4,MOQ500,$10-20 1)We passed ISO 9001.2)It is apply to Komatsu,Caterpillar,Case,JCB.MF,Ford.3)Wet coef.(statical)0.11-0.154)Wet coef.(Dyn)0.04-0.085)Wear Rate:≤1.0 X 10-8 cm3/J Komatsu 131-21-43220 friction plate