Hanchi Auto Parts
129900-42050 Water Pump Suitable for Yanmar WITHOUT PIPE S4D94E High Quality
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If your parts book shows 129900-42050, you need a water pump for WITHOUT PIPE and S4D94E engines. Ours is a matching replacement — same mounting holes, same belt pulley height, pressure-tested before packing. Related OE numbers include 113-03-0282, 129659-42050, 129900-42001, 129900-42053, 129900-42054 and 5 more.
Which engines use the 129900-42050 water pump?
This pump was designed for WITHOUT PIPE; S4D94E.
Match your engine model to the list and the pump will fit without rework.
What are the specifications of 129900-42050?
| Parameter | Value |
| OE number | 129900-42050 |
| Fits brand | Yanmar |
| TO Shaft head height | 122.2 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 4-M8X1.25 |
| Flange thread | 4-M8X1.25 |
| TO Flange height | 106.5 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 0.7 |
| 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 | O55X3.1 |
| Net weight | 2.80 kg |
| Packing | 4 pcs/ctn, 13.20 kg gross |
What part numbers interchange with 129900-42050?
Dealers and fleet systems quote this pump under more than one OE number:
- 113-03-0282
- 129659-42050
- 129900-42001
- 129900-42053
- 129900-42054
- 129900-42055
- 129919-42010
- 1599804
- 6132-61-1616
- C022134
Packing and quality checks
Each pump is packed individually; a master carton holds 4 pieces at 13.20 kg gross.
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 129900-42050 fit?
129900-42050 fits WITHOUT PIPE and S4D94E engines. It is a Yanmar application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 129900-42050?
129900-42050 interchanges with 113-03-0282, 129659-42050, 129900-42001, 129900-42053, 129900-42054, 129900-42055 and 4 more. All of these refer to the same water pump assembly.
Is 129900-42050 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 129900-42050 water pump weigh?
One pump weighs 2.80 kg net. A full carton of 4 pieces comes to 13.20 kg gross.
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.
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