Hanchi Auto Parts
2w9726 Water Pump Suitable for Caterpillar 3508 3512 High Quality
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2w9726 belongs to the Caterpillar cooling system parts family. The pump sits on 3516 genset, G3512 gas engine, 3508 and other listed engines. Our aftermarket equivalent follows the OE dimensions and passes air-tightness testing under a negative pressure of 0.1 MPa. It also replaces 10R1669, 2128176, 2128177, 2W9725, 416-0609.
Which engines use the 2w9726 water pump?
This pump was designed for 3516 genset; G3512 gas engine; 3508; 3512.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What are the specifications of 2w9726?
| Parameter | Value |
| OE number | 2w9726 |
| Fits brand | Caterpillar |
| TO Shaft head height | 142.1 |
| Mounting hole position | Aligned to OE mounting points |
| TO Impeller height Ⅰ | 31.8 |
| 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 | 20.10 |
| Units per Carton | 1 |
| Gross Weight | 22.00 |
| Measurement | 43 x 40 x 33 cm |
| Net weight | 20.10 kg |
| Packing | 1 pcs/ctn, 22.00 kg gross |
What part numbers interchange with 2w9726?
Depending on the catalog you use, the same pump shows up as:
- 10R1669
- 2128176
- 2128177
- 2W9725
- 416-0609
Packing and quality checks
Each pump is packed individually; a master carton holds 1 pieces at 22.00 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 2w9726 fit?
2w9726 fits 3516 genset, G3512 gas engine, 3508 and other listed engines. It is a Caterpillar application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 2w9726?
2w9726 interchanges with 10R1669, 2128176, 2128177, 2W9725, 416-0609. All of these refer to the same water pump assembly.
Is 2w9726 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 2w9726 water pump weigh?
One pump weighs 20.10 kg net. A full carton of 1 pieces comes to 22.00 kg gross.
Message us with the OE number off your old pump. We reply with fitment confirmation and a price the same day.
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.
