Hanchi Auto Parts
3801578 Water Pump Suitable for Deutz BF4M1013 BF6M103 High Quality
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3801578 is how Deutz lists this water pump. It serves BF4M1013, BF6M103, Deutz 1013 parts and other listed engines. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: 02937440, 04206747, 04256853, 04258805, 04259547 and 3 more.
Which engines use the 3801578 water pump?
You will find this pump on BF4M1013; BF6M103; Deutz 1013 parts; bf6m1013; bf4m1013.
Match your engine model to the list and the pump will fit without rework.
What part numbers interchange with 3801578?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- 02937440
- 04206747
- 04256853
- 04258805
- 04259547
- 04259548
- 20726077
- 2103002
What are the specifications of 3801578?
| Parameter | Value |
| OE number | 3801578 |
| Fits brand | Deutz |
| TO Shaft head height | 142 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | M16X1.5 |
| Flange thread | 4-M8X1.25 |
| TO Flange height | 132.8 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 0.4 |
| 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 | JBM16 |
| Net weight | 5.60 kg |
| Packing | 2 pcs/ctn, 13.20 kg gross |
Packing and quality checks
For shipping estimates, count on 2 pumps per carton (13.20 kg, 43.5 x 30 x 21 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 3801578 fit?
3801578 fits BF4M1013, BF6M103, Deutz 1013 parts and other listed engines. It is a Deutz application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 3801578?
3801578 interchanges with 02937440, 04206747, 04256853, 04258805, 04259547, 04259548 and 2 more. All of these refer to the same water pump assembly.
Is 3801578 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 3801578 water pump weigh?
One pump weighs 5.60 kg net. A full carton of 2 pieces comes to 13.20 kg gross.
How do I confirm 3801578 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.
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
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