Hanchi Auto Parts
6151-62-1103 Water Pump Suitable for Komatsu S6D125/PC450-8 S6D125E High Quality
Couldn't load pickup availability
The OE number 6151-62-1103 identifies a water pump fitted to S6D125/PC450-8, S6D125E, PC400-6 and other listed engines. We stock a direct replacement built to the same shaft and pulley heights. One pump weighs 9.80 kg; a full carton holds 2.
Which engines use the 6151-62-1103 water pump?
The OE application list reads: S6D125/PC450-8; S6D125E; PC400-6; PC450.
Match your engine model to the list and the pump will fit without rework.
What part numbers interchange with 6151-62-1103?
One pump, many part numbers. The full cross list:
- 6151-62-1101
- 6151-62-1102
- 6154-61-1102
What are the specifications of 6151-62-1103?
| Parameter | Value |
| OE number | 6151-62-1103 |
| Fits brand | Komatsu |
| TO Shaft head height | 160.6 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 9-M10X1.5 |
| TO Gear height | 157.4 |
| TO Impeller height Ⅰ | 1 |
| Air tightness testing | No leakage detected under negative pressure of 0.1 MPa |
| Appearance Ⅰ | Neutral finish, no third-party logos |
| Appearance Ⅱ | Clean surface: no dirt, rust or paint peeling |
| Assembly rotation | Turns freely by hand, no sticking or noise |
| Number of Teeth | 22 |
| Included Component 1 | O120X3.1-3 |
| Included Component 2 | KO101-WD-1 |
| Net weight | 9.80 kg |
| Packing | 2 pcs/ctn, 21.40 kg gross |
Packing and quality checks
Logistics data: 2 pcs/ctn, 21.40 kg gross, 51.5 x 29 x 26 cm.
Before boxing, each pump passes a negative-pressure leak check and a hand-rotation check for smooth, noise-free bearing movement.
Frequently asked questions
What vehicles or engines does 6151-62-1103 fit?
6151-62-1103 fits S6D125/PC450-8, S6D125E, PC400-6 and other listed engines. It is a Komatsu application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 6151-62-1103?
6151-62-1103 interchanges with 6151-62-1101, 6151-62-1102, 6154-61-1102. All of these refer to the same water pump assembly.
Is 6151-62-1103 available from stock?
Yes, this number is in regular production. Lead time for carton quantities is usually a few days; ask us for current stock before ordering.
How much does the 6151-62-1103 water pump weigh?
One pump weighs 9.80 kg net. A full carton of 2 pieces comes to 21.40 kg gross.
How do I confirm 6151-62-1103 is the pump I need?
Check the OE number stamped on your old pump or in the parts book, then compare engine model and pulley height with the spec table on this page. If anything is unclear, send us a photo of the old unit.
Not sure this is your pump? Send a photo of the old unit and the engine tag; we will match it.
Send the OE number, your quantity and your destination port — feel free to Contact Us. We reply with fitment confirmation and a quote.


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