Hanchi Auto Parts
6275-61-1100 Water Pump Suitable for Cummins QSB3.3 4D95-6 High Quality
Couldn't load pickup availability
6275-61-1100 is a Cummins;Komatsu water pump OE number. Our replacement matches the same mounting and cooling specs, fits QSB3.3 and 4D95-6 engines, and ships with a 6.90 kg net weight (2 pcs per carton). Cross numbers: 4309267, 5271093, J250-0072C.
Which engines use the 6275-61-1100 water pump?
This pump was designed for QSB3.3; 4D95-6.
Any engine on this list takes our replacement as a straight swap.
What part numbers interchange with 6275-61-1100?
Depending on the catalog you use, the same pump shows up as:
- 4309267
- 5271093
- J250-0072C
What are the specifications of 6275-61-1100?
| Parameter | Value |
| OE number | 6275-61-1100 |
| Fits brand | Cummins;Komatsu |
| TO Belt pulley height | 124.5 |
| TO Shaft head height | 148.5 |
| Pulley Jumping | 0.07 |
| Mounting hole position | Aligned to OE mounting points |
| TO Impeller height Ⅰ | 18.2 |
| 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 |
| Included Component 1 | O48X3.5 |
| Included Component 2 | CM130-WD-1 |
| Net weight of one | 6.90 |
| Net weight | 6.90 kg |
| Packing | 2 pcs/ctn, 16.00 kg gross |
Packing and quality checks
Logistics data: 2 pcs/ctn, 16.00 kg gross, 43.5 x 30 x 21 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 6275-61-1100 fit?
6275-61-1100 fits QSB3.3 and 4D95-6 engines. It is a Cummins;Komatsu application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 6275-61-1100?
6275-61-1100 interchanges with 4309267, 5271093, J250-0072C. All of these refer to the same water pump assembly.
Is 6275-61-1100 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 6275-61-1100 water pump weigh?
One pump weighs 6.90 kg net. A full carton of 2 pieces comes to 16.00 kg gross.
How do I confirm 6275-61-1100 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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