Aftermarket boom lift hydraulic cylinder. For New Holland skid steer loader models L565 LX565 LX665 LS160 LS170 L160 L170. Part number 87038977 *replaces part # 87038977R 86633432 86521393 86528677 86570926 86590826 *Will also replace part # 89622429 9622429 that was used on L565 up to serial# 853695 , Lx565 up to serial# 884114 , Lx665 up to serial# 878689. Both cylinders must be changed along with replacing the long hydraulic tubes on the rod end. The right uses part # 8652397 and the left uses part # 86521398.