RL4000 (from serial number RL412-101 to RL412-99999)-->300 Engine and Generator Components

SH850-3 Excavator

3TNV84-KSA3

It comes as a single unit and is engineered to meet or exceed OEM specifications

4TNV106-S2FB

Water Pump 6131-65-1204 Fits for Komatsu S4D105-3H S4D105-3J Engine 20Y-27-13230 RL4000 (from serial number RL412-101Water Pump 6131 65 1204 Fits Komatsu S4D105 3H S4D105 3J Engine This new aftermarket water pump is designed to efficiently manage engine cooling for Komatsu S4D105 3H and S4D105 3J engines. It ensures reliable performance and comes as a single unit ready for installation. Part Details Condition: New, Aftermarket Quantity: 1 Part Numbers: 6131 65 1204, 6131 65 1203, 6131 65 1202, 6131 65 1201, 6131 65 1200 Compatible Part Numbers 6131 65 1204 6131 65