Hanchi Auto Parts
2128177 Water Pump Suitable for Caterpillar 3508 3512 High Quality
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Looking for 2128177? It is the Caterpillar OE reference for a cooling water pump used on 3516 genset, G3512 gas engine, 3508 and other listed engines. The replacement we supply keeps the same fit and pulley dimensions. Net weight 20.10 kg, packed 1 per carton.
Which engines use the 2128177 water pump?
The OE application list reads: 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 part numbers interchange with 2128177?
One pump, many part numbers. The full cross list:
- 10R1669
- 2128176
- 2W9725
- 2w9726
- 416-0609
What are the specifications of 2128177?
| Parameter | Value |
| OE number | 2128177 |
| 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).
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 2128177 fit?
2128177 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 2128177?
2128177 interchanges with 10R1669, 2128176, 2W9725, 2w9726, 416-0609. All of these refer to the same water pump assembly.
Is 2128177 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 2128177 water pump weigh?
One pump weighs 20.10 kg net. A full carton of 1 pieces comes to 22.00 kg gross.
How do I confirm 2128177 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.
Bulk pricing starts at one carton. Ask for a quote with your target quantity.
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
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