Hanchi Auto Parts
2W-1223 Water Pump Suitable for Caterpillar 3204 High Quality
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Looking for 2W-1223? It is the Caterpillar OE reference for a cooling water pump used on 3204 engines. The replacement we supply keeps the same fit and pulley dimensions. Net weight 4.52 kg, packed 4 per carton.
Which engines use the 2W-1223 water pump?
Fitment covers 3204.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What part numbers interchange with 2W-1223?
One pump, many part numbers. The full cross list:
- 1W-2929
- 1W5644
- 1W6446
- 4N0660
What are the specifications of 2W-1223?
| Parameter | Value |
| OE number | 2W-1223 |
| Fits brand | Caterpillar |
| TO Impeller height Ⅱ | 47.4 |
| TO Shaft head height | 87.1 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | M8X1.25 |
| TO Flange height | 64.5 |
| Flange jumping | 0.07 |
| 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 |
| Included Component 1 | CA122-WD-1 |
| Net weight of one | 4.52 |
| Net weight | 4.52 kg |
| Packing | 4 pcs/ctn, 20.10 kg gross |
Packing and quality checks
Packing runs 4 pumps per carton, 20.10 kg gross weight, carton size 38.5 x 32 x 16.5 cm.
Air-tightness is checked pump by pump under a negative pressure of 0.1 MPa before packing.
Frequently asked questions
What vehicles or engines does 2W-1223 fit?
2W-1223 fits 3204 engines. It is a Caterpillar application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 2W-1223?
2W-1223 interchanges with 1W-2929, 1W5644, 1W6446, 4N0660. All of these refer to the same water pump assembly.
Is 2W-1223 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 2W-1223 water pump weigh?
One pump weighs 4.52 kg net. A full carton of 4 pieces comes to 20.10 kg gross.
How do I confirm 2W-1223 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.
Stock moves fast on this number. Send your inquiry with quantity and destination port for a firm quote.
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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