Hanchi Auto Parts
123900-42100 Water Pump Suitable for Yanmar 2TNE68 4D106 High Quality
Couldn't load pickup availability
123900-42100 is how Yanmar lists this water pump. It serves 2TNE68 and 4D106 engines. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: 123900-42102.
Which engines use the 123900-42100 water pump?
This pump was designed for 2TNE68; 4D106.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What are the specifications of 123900-42100?
| Parameter | Value |
| OE number | 123900-42100 |
| Fits brand | Yanmar |
| TO Shaft head height | 140 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 4-M8X1.25 |
| Flange thread | 4-M10X1.5 |
| TO Flange height | 130 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 1 |
| 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 | O45X4.6 |
| Net weight | 4.25 kg |
| Packing | 1 pcs/ctn, 6.50 kg gross |
What part numbers interchange with 123900-42100?
Depending on the catalog you use, the same pump shows up as:
- 123900-42102
Packing and quality checks
Logistics data: 1 pcs/ctn, 6.50 kg gross, 35 x 30 x 26 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 123900-42100 fit?
123900-42100 fits 2TNE68 and 4D106 engines. It is a Yanmar application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 123900-42100?
123900-42100 interchanges with 123900-42102. All of these refer to the same water pump assembly.
Is 123900-42100 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 123900-42100 water pump weigh?
One pump weighs 4.25 kg net. A full carton of 1 pieces comes to 6.50 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.