Hanchi Auto Parts
RE521502 Water Pump Suitable for John Deere High Quality
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The OE number RE521502 identifies a water pump fitted to the specified engine range. We stock a direct replacement built to the same shaft and pulley heights. One pump weighs 1.57 kg; a full carton holds 12.
Which engines use the RE521502 water pump?
You will find this pump on the listed engine applications.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What part numbers interchange with RE521502?
One pump, many part numbers. The full cross list:
- RE509598
What are the specifications of RE521502?
| Parameter | Value |
| OE number | RE521502 |
| Fits brand | John Deere |
| TO Impeller height Ⅱ | 60.8 |
| TO Shaft head height | 31.3 |
| Mounting hole position | Aligned to OE mounting points |
| TO Gear height | 18.5 |
| 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 |
| Number of Teeth | 16 |
| Included Component 1 | O78X3.5-3 |
| Included Component 2 | O80X3.5-3 |
| Included Component 3 | DP-JD104 |
| Net weight | 1.57 kg |
| Packing | 12 pcs/ctn, 21.00 kg gross |
Packing and quality checks
Packing runs 12 pumps per carton, 21.00 kg gross weight, carton size 43.5 x 26.8 x 30.3 cm.
We leak-test each unit at a negative pressure of 0.1 MPa, then spin it by hand to confirm free rotation.
Frequently asked questions
What vehicles or engines does RE521502 fit?
RE521502 fits the specified engine range. It is a John Deere application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace RE521502?
RE521502 interchanges with RE509598. All of these refer to the same water pump assembly.
Is RE521502 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 RE521502 water pump weigh?
One pump weighs 1.57 kg net. A full carton of 12 pieces comes to 21.00 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.
OEM Avalible
Our company understands the challenges of bringing some special parts from paper to reality. Therefore, we offer our services to customers that need help.