Hanchi Auto Parts
3800737 Water Pump Suitable for Cummins QSM ISM M11 High Quality
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Looking for 3800737? It is the Cummins OE reference for a cooling water pump used on QSM ISM M11 engines. The replacement we supply keeps the same fit and pulley dimensions. Net weight 11.20 kg, packed 1 per carton.
Which engines use the 3800737 water pump?
This pump was designed for QSM ISM M11.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What part numbers interchange with 3800737?
Depending on the catalog you use, the same pump shows up as:
- 2882144
- 3803260
- 3803403
- 3882670
- 4955705
- 4965430
- 4972852
- 4972853
What are the specifications of 3800737?
| Parameter | Value |
| OE number | 3800737 |
| Fits brand | Cummins |
| TO Shaft head height | 66.1 |
| Mounting hole position | Aligned to OE mounting points |
| TO Gear height | 159.5 |
| TO Impeller height Ⅰ | 12.2 |
| 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 | 11.20 |
| Units per Carton | 1 |
| Gross Weight | 13.00 |
| Measurement | 37 x 32 x 27 cm |
| Net weight | 11.20 kg |
| Packing | 1 pcs/ctn, 13.00 kg gross |
Packing and quality checks
Packing runs 1 pumps per carton, 13.00 kg gross weight, carton size 37 x 32 x 27 cm.
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 3800737 fit?
3800737 fits QSM ISM M11 engines. It is a Cummins application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 3800737?
3800737 interchanges with 2882144, 3803260, 3803403, 3882670, 4955705, 4965430 and 2 more. All of these refer to the same water pump assembly.
Is 3800737 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 3800737 water pump weigh?
One pump weighs 11.20 kg net. A full carton of 1 pieces comes to 13.00 kg gross.
Send us the OE number and your engine model — we confirm fitment before you order.
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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