21P-63-K1711K New Komatsu Excavator Arm Cylinder Seal Kit PC150-6K PC160-6K + model-Workmaster 65 3350 Agricultural Tractor - 55

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21P-63-K1711K New Komatsu Excavator Arm Cylinder Seal Kit PC150-6K PC160-6K + model-Workmaster 65 3350 Agricultural Tractor - 55One New Aftermarket Replacement Komatsu Excavator Arm Cylinder Seal Kit that fits the following models: Arm: PC150 6K, PC150LC 6K, Cylinder: 21P 63 K1711, Between Serial Numbers K30001 K30666, PC180LC 6K, PC180NLC 6K, Cylinder: 21P 63 K1711, After Serial Number K30001 Arm (1 & 2pc Boom): PC160 6K, Cylinder: 21P 63 K1711, Between Serial Numbers K30001 K30197 PLEASE NOTE: YOUR SEAL KIT MAY LOOK SLIGHTLY DIFFERENT. Rod: 85 mm, Bore: 120 mm Replaces Part