Hanchi Auto Parts
129004-42001 Water Pump Suitable for Yanmar 4TNV84T Takeuchi TB135 High Quality
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129004-42001 belongs to the Yanmar;John Deere cooling system parts family. The pump sits on 4TNV84T, Takeuchi TB135, TB145 and other listed engines. Our aftermarket equivalent follows the OE dimensions and passes air-tightness testing under a negative pressure of 0.1 MPa. It also replaces 129263-42000, 129508-42001, AM882090.
Which engines use the 129004-42001 water pump?
This pump was designed for 4TNV84T; Takeuchi TB135; TB145; TL120.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What part numbers interchange with 129004-42001?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- 129263-42000
- 129508-42001
- AM882090
What are the specifications of 129004-42001?
| Parameter | Value |
| OE number | 129004-42001 |
| Fits brand | Yanmar;John Deere |
| TO Shaft head height | 131.3 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 3-M8X1.25 |
| Flange thread | 4-M6X1 |
| TO Flange height | 126.3 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 0.5 |
| 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 | 2.10 kg |
| Packing | 4 pcs/ctn, 11.00 kg gross |
Packing and quality checks
For shipping estimates, count on 4 pumps per carton (11.00 kg, 58 x 44 x 21 cm).
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 129004-42001 fit?
129004-42001 fits 4TNV84T, Takeuchi TB135, TB145 and other listed engines. It is a Yanmar;John Deere application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 129004-42001?
129004-42001 interchanges with 129263-42000, 129508-42001, AM882090. All of these refer to the same water pump assembly.
Is 129004-42001 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 129004-42001 water pump weigh?
One pump weighs 2.10 kg net. A full carton of 4 pieces comes to 11.00 kg gross.
How do I confirm 129004-42001 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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