Hanchi Auto Parts
129659-42050 Water Pump Suitable for Yanmar 4TNV92 4D98 High Quality
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If your parts book shows 129659-42050, you need a water pump for 4TNV92, 4D98, YM98 WITH PIPE and other listed engines. Ours is a matching replacement — same mounting holes, same belt pulley height, pressure-tested before packing. Related OE numbers include 129900-42001, 129900-42050.
Which engines use the 129659-42050 water pump?
The OE application list reads: 4TNV92; 4D98; YM98 WITH PIPE; LinDe 4tnv94/128; 4TNV98; 4D94E with pipe.
If your engine tag matches any entry above, this pump is the right replacement.
What part numbers interchange with 129659-42050?
One pump, many part numbers. The full cross list:
- 129900-42001
- 129900-42050
What are the specifications of 129659-42050?
| Parameter | Value |
| OE number | 129659-42050 |
| Fits brand | Yanmar |
| TO Shaft head height | 122.2 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | M16X1.5 |
| Flange thread | 4-M8X1.25 |
| TO Flange height | 106.5 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 0.7 |
| 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 |
| Net weight | 2.80 kg |
| Packing | 4 pcs/ctn, 13.20 kg gross |
Packing and quality checks
Packing runs 4 pumps per carton, 13.20 kg gross weight, carton size 58 x 44 x 21 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 129659-42050 fit?
129659-42050 fits 4TNV92, 4D98, YM98 WITH PIPE and other listed engines. It is a Yanmar application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 129659-42050?
129659-42050 interchanges with 129900-42001, 129900-42050. All of these refer to the same water pump assembly.
Is 129659-42050 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 129659-42050 water pump weigh?
One pump weighs 2.80 kg net. A full carton of 4 pieces comes to 13.20 kg gross.
How do I confirm 129659-42050 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.
Stock moves fast on this number. Send your inquiry with quantity and destination port for a firm quote.
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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