Hanchi Auto Parts
123900-42102 Water Pump Suitable for Yanmar 2TNE68 4D106 High Quality
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Looking for 123900-42102? It is the Yanmar OE reference for a cooling water pump used on 2TNE68 and 4D106 engines. The replacement we supply keeps the same fit and pulley dimensions. Net weight 4.25 kg, packed 1 per carton.
Which engines use the 123900-42102 water pump?
You will find this pump on 2TNE68; 4D106.
Any engine on this list takes our replacement as a straight swap.
What part numbers interchange with 123900-42102?
One pump, many part numbers. The full cross list:
- 123900-42100
What are the specifications of 123900-42102?
| Parameter | Value |
| OE number | 123900-42102 |
| 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 |
Packing and quality checks
For shipping estimates, count on 1 pumps per carton (6.50 kg, 35 x 30 x 26 cm).
We leak-test each unit at a negative pressure of 0.1 MPa, then spin it by hand to confirm free rotation.
Frequently asked questions
What vehicles or engines does 123900-42102 fit?
123900-42102 fits 2TNE68 and 4D106 engines. It is a Yanmar application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 123900-42102?
123900-42102 interchanges with 123900-42100. All of these refer to the same water pump assembly.
Is 123900-42102 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 123900-42102 water pump weigh?
One pump weighs 4.25 kg net. A full carton of 1 pieces comes to 6.50 kg gross.
How do I confirm 123900-42102 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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