Hanchi Auto Parts
2W8004 Water Pump Suitable for Caterpillar 3306 3304 High Quality
Couldn't load pickup availability
The OE number 2W8004 identifies a water pump fitted to 3306, 3304, SR4 and other listed engines. We stock a direct replacement built to the same shaft and pulley heights. One pump weighs 14.00 kg; a full carton holds 1.
Which engines use the 2W8004 water pump?
This pump was designed for 3306; 3304; SR4.
Match your engine model to the list and the pump will fit without rework.
What are the specifications of 2W8004?
| Parameter | Value |
| OE number | 2W8004 |
| Fits brand | Caterpillar |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 2-3/8-16UNC |
| TO Gear height | 33.5 |
| TO Impeller height Ⅰ | 0.8 |
| 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 |
| Number of Teeth | 40 |
| Included Component 1 | O135X3.5 |
| Included Component 2 | Z-G3-4 |
| Included Component 3 | CA103-WD-1 |
| Net weight | 14.00 kg |
| Packing | 1 pcs/ctn, 15.60 kg gross |
Packing and quality checks
Packing runs 1 pumps per carton, 15.60 kg gross weight, carton size 36 x 32 x 22 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 2W8004 fit?
2W8004 fits 3306, 3304, SR4 and other listed engines. It is a Caterpillar application water pump, and our aftermarket unit replaces it directly.
Is 2W8004 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 2W8004 water pump weigh?
One pump weighs 14.00 kg net. A full carton of 1 pieces comes to 15.60 kg gross.
How do I confirm 2W8004 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
Our company understands the challenges of bringing some special parts from paper to reality. Therefore, we offer our services to customers that need help.