Hanchi Auto Parts
6151-61-1121 Water Pump Suitable for Komatsu S6D125 PC200-5 High Quality
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Looking for 6151-61-1121? It is the Komatsu OE reference for a cooling water pump used on S6D125, PC200-5, PC300-3 and other listed engines. The replacement we supply keeps the same fit and pulley dimensions. Net weight 9.50 kg, packed 2 per carton.
Which engines use the 6151-61-1121 water pump?
The OE application list reads: S6D125; PC200-5; PC300-3; PC400-5.
If your engine tag matches any entry above, this pump is the right replacement.
What are the specifications of 6151-61-1121?
| Parameter | Value |
| OE number | 6151-61-1121 |
| Fits brand | Komatsu |
| TO Shaft head height | 160.6 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 7-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 | 9.50 kg |
| Packing | 2 pcs/ctn, 20.60 kg gross |
What part numbers interchange with 6151-61-1121?
One pump, many part numbers. The full cross list:
- 6150-61-1101
- 6151-61-1101
- 6151-62-1104
- 6154-61-1102
Packing and quality checks
For shipping estimates, count on 2 pumps per carton (20.60 kg, 51.5 x 29 x 26 cm).
Air-tightness is checked pump by pump under a negative pressure of 0.1 MPa before packing.
Frequently asked questions
What vehicles or engines does 6151-61-1121 fit?
6151-61-1121 fits S6D125, PC200-5, PC300-3 and other listed engines. It is a Komatsu application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 6151-61-1121?
6151-61-1121 interchanges with 6150-61-1101, 6151-61-1101, 6151-62-1104, 6154-61-1102. All of these refer to the same water pump assembly.
Is 6151-61-1121 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 6151-61-1121 water pump weigh?
One pump weighs 9.50 kg net. A full carton of 2 pieces comes to 20.60 kg gross.
Stock moves fast on this number. Send your inquiry with quantity and destination port for a firm quote.
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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