Hanchi Auto Parts
129900-42002 Water Pump Suitable for Yanmar 4TNV94 4TNV98 High Quality
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If your parts book shows 129900-42002, you need a water pump for 4TNV94, 4TNV98, YM94 and other listed engines. Ours is a matching replacement — same mounting holes, same belt pulley height, pressure-tested before packing. Related OE numbers include 129907-42000, 129907-42051.
Which engines use the 129900-42002 water pump?
Fitment covers 4TNV94; 4TNV98; YM94.
Any engine on this list takes our replacement as a straight swap.
What are the specifications of 129900-42002?
| Parameter | Value |
| OE number | 129900-42002 |
| Fits brand | Yanmar |
| TO Impeller height Ⅱ | 8.8 |
| TO Shaft head height | 115.25 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | 4-M8X1.25 |
| TO Flange height | 97.55 |
| Flange jumping | 0.07 |
| Installation of water pipes | Water pipe fitted complete, no deformation |
| 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 | YA102-WD-1 |
| Net weight | 1.50 kg |
| Packing | 8 pcs/ctn, 14.00 kg gross |
What part numbers interchange with 129900-42002?
Dealers and fleet systems quote this pump under more than one OE number:
- 129907-42000
- 129907-42051
Packing and quality checks
Each pump is packed individually; a master carton holds 8 pieces at 14.00 kg gross.
Every pump leaves the line after a leak test at a negative pressure of 0.1 MPa. No leaks, no exceptions.
Frequently asked questions
What vehicles or engines does 129900-42002 fit?
129900-42002 fits 4TNV94, 4TNV98, YM94 and other listed engines. It is a Yanmar application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 129900-42002?
129900-42002 interchanges with 129907-42000, 129907-42051. All of these refer to the same water pump assembly.
Is 129900-42002 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 129900-42002 water pump weigh?
One pump weighs 1.50 kg net. A full carton of 8 pieces comes to 14.00 kg gross.
How do I confirm 129900-42002 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.
Message us with the OE number off your old pump. We reply with fitment confirmation and a price the same day.
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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