Hanchi Auto Parts
0R4120 Water Pump Suitable for Caterpillar CAT3406B 3406C High Quality
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0R4120 is how Caterpillar lists this water pump. It serves CAT3406B, 3406C, Dished gear and other listed engines. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: 10R0483, 10R0484, 1615719, 613890.
Which engines use the 0R4120 water pump?
This pump was designed for CAT3406B; 3406C; Dished gear.
Match your engine model to the list and the pump will fit without rework.
What are the specifications of 0R4120?
| Parameter | Value |
| OE number | 0R4120 |
| Fits brand | Caterpillar |
| TO Impeller height Ⅱ | 6.5 |
| TO Shaft head height | 54 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 6-3/8-16UNC |
| TO Gear height | 33.5 |
| 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 | 74 |
| Included Component 1 | O103X5.3 |
| Included Component 2 | O135.6X5.3 |
| Net weight | 16.30 kg |
| Packing | 1 pcs/ctn, 17.30 kg gross |
What part numbers interchange with 0R4120?
Dealers and fleet systems quote this pump under more than one OE number:
- 10R0483
- 10R0484
- 1615719
- 613890
Packing and quality checks
Logistics data: 1 pcs/ctn, 17.30 kg gross, 34 x 31.5 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 0R4120 fit?
0R4120 fits CAT3406B, 3406C, Dished gear and other listed engines. It is a Caterpillar application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 0R4120?
0R4120 interchanges with 10R0483, 10R0484, 1615719, 613890. All of these refer to the same water pump assembly.
Is 0R4120 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 0R4120 water pump weigh?
One pump weighs 16.30 kg net. A full carton of 1 pieces comes to 17.30 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.