Hanchi Auto Parts
6131-62-1240 Water Pump Suitable for Komatsu 4D105-3 D50-17/18 High Quality
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6131-62-1240 is a Komatsu water pump OE number. Our replacement matches the same mounting and cooling specs, fits 4D105-3, D50-17/18, 510 and other listed engines, and ships with a 11.73 kg net weight (2 pcs per carton). Cross numbers: 6130-62-1200, 6140-60-1110.
Which engines use the 6131-62-1240 water pump?
This pump was designed for 4D105-3; D50-17/18; 510.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What are the specifications of 6131-62-1240?
| Parameter | Value |
| OE number | 6131-62-1240 |
| Fits brand | Komatsu |
| TO Belt pulley height | 99 |
| TO Shaft head height | 143.5 |
| Pulley Jumping | 0 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | ZG1-2 |
| Belt pulley thread | 6-M8X1.25 |
| TO Impeller height Ⅰ | 20.2 |
| 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 |
| Net weight of one | 11.73 |
| Net weight | 11.73 kg |
| Packing | 2 pcs/ctn, 25.50 kg gross |
What part numbers interchange with 6131-62-1240?
Depending on the catalog you use, the same pump shows up as:
- 6130-62-1200
- 6140-60-1110
Packing and quality checks
For shipping estimates, count on 2 pumps per carton (25.50 kg, 56 x 44 x 20 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 6131-62-1240 fit?
6131-62-1240 fits 4D105-3, D50-17/18, 510 and other listed engines. It is a Komatsu application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 6131-62-1240?
6131-62-1240 interchanges with 6130-62-1200, 6140-60-1110. All of these refer to the same water pump assembly.
Is 6131-62-1240 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 6131-62-1240 water pump weigh?
One pump weighs 11.73 kg net. A full carton of 2 pieces comes to 25.50 kg gross.
How do I confirm 6131-62-1240 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.
Bulk pricing starts at one carton. Ask for a quote with your target quantity.
Send the OE number, your quantity and your destination port — feel free to Contact Us. We reply with fitment confirmation and a quote.
OEM Avalible
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