Hanchi Auto Parts
2W9725 Water Pump Suitable for Caterpillar 3508 3512 High Quality
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2W9725 is how Caterpillar lists this water pump. It serves 3516 genset, G3512 gas engine, 3508 and other listed engines. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: 10R1669, 2128176, 2128177, 2w9726, 416-0609.
Which engines use the 2W9725 water pump?
Fitment covers 3516 genset; G3512 gas engine; 3508; 3512.
Any engine on this list takes our replacement as a straight swap.
What part numbers interchange with 2W9725?
One pump, many part numbers. The full cross list:
- 10R1669
- 2128176
- 2128177
- 2w9726
- 416-0609
What are the specifications of 2W9725?
| Parameter | Value |
| OE number | 2W9725 |
| 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 |
Packing and quality checks
For shipping estimates, count on 1 pumps per carton (22.00 kg, 43 x 40 x 33 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 2W9725 fit?
2W9725 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 2W9725?
2W9725 interchanges with 10R1669, 2128176, 2128177, 2w9726, 416-0609. All of these refer to the same water pump assembly.
Is 2W9725 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 2W9725 water pump weigh?
One pump weighs 20.10 kg net. A full carton of 1 pieces comes to 22.00 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.