Hanchi Auto Parts
119171-42003 Water Pump Suitable for Yanmar 4TNE100 High Quality
Couldn't load pickup availability
119171-42003 is how Yanmar lists this water pump. It serves 4TNE100 engines. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: 119171-42001.
Which engines use the 119171-42003 water pump?
The OE application list reads: 4TNE100.
If your engine tag matches any entry above, this pump is the right replacement.
What are the specifications of 119171-42003?
| Parameter | Value |
| OE number | 119171-42003 |
| Fits brand | Yanmar |
| TO Shaft head height | 136.3 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | M8X1.25 |
| TO Flange height | 130.5 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 4 |
| 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 |
| Included Component 2 | YA126-WD-1 |
| Net weight | 3.25 kg |
| Packing | 4 pcs/ctn, 15.00 kg gross |
What part numbers interchange with 119171-42003?
Dealers and fleet systems quote this pump under more than one OE number:
- 119171-42001
Packing and quality checks
Packing runs 4 pumps per carton, 15.00 kg gross weight, carton size 58 x 44 x 21 cm.
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 119171-42003 fit?
119171-42003 fits 4TNE100 engines. It is a Yanmar application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 119171-42003?
119171-42003 interchanges with 119171-42001. All of these refer to the same water pump assembly.
Is 119171-42003 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 119171-42003 water pump weigh?
One pump weighs 3.25 kg net. A full carton of 4 pieces comes to 15.00 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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