Hanchi Auto Parts
4096427 Water Pump Suitable for Komatsu 12V140 QST30 High Quality
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4096427 is how Komatsu;Cummins lists this water pump. It serves 12V140 and QST30 engines. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: 3800322, 4090031PX, 6219-61-1150.
Which engines use the 4096427 water pump?
Fitment covers 12V140; QST30.
Any engine on this list takes our replacement as a straight swap.
What are the specifications of 4096427?
| Parameter | Value |
| OE number | 4096427 |
| Fits brand | Komatsu;Cummins |
| TO Shaft head height | 76.5 |
| Mounting hole position | Aligned to OE mounting points |
| TO Gear height | 74.5 |
| TO Impeller height Ⅰ | 11.2 |
| 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 |
| Number of Teeth | 25 |
| Included Component 1 | O98X3.5 |
| Net weight of one | 31.40 |
| Units per Carton | 1 |
| Net weight | 31.40 kg |
| Packing | 1 pcs/ctn, 34.00 kg gross |
What part numbers interchange with 4096427?
Dealers and fleet systems quote this pump under more than one OE number:
- 3800322
- 4090031PX
- 6219-61-1150
Packing and quality checks
Each pump is packed individually; a master carton holds 1 pieces at 34.00 kg gross.
We leak-test each unit at a negative pressure of 0.1 MPa, then spin it by hand to confirm free rotation.
Frequently asked questions
What vehicles or engines does 4096427 fit?
4096427 fits 12V140 and QST30 engines. It is a Komatsu;Cummins application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 4096427?
4096427 interchanges with 3800322, 4090031PX, 6219-61-1150. All of these refer to the same water pump assembly.
Is 4096427 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 4096427 water pump weigh?
One pump weighs 31.40 kg net. A full carton of 1 pieces comes to 34.00 kg gross.
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.
OEM Avalible
Our company understands the challenges of bringing some special parts from paper to reality. Therefore, we offer our services to customers that need help.