Hanchi Auto Parts
1738991 Water Pump Suitable for Daf XFSeries12.9D05 High Quality
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The OE number 1738991 identifies a water pump fitted to XFSeries12.9D05 engines. We stock a direct replacement built to the same shaft and pulley heights. One pump weighs 3.10 kg; a full carton holds 4.
Which engines use the 1738991 water pump?
You will find this pump on XFSeries12.9D05.
Any engine on this list takes our replacement as a straight swap.
What are the specifications of 1738991?
| Parameter | Value |
| OE number | 1738991 |
| Fits brand | Daf |
| TO Belt pulley height | 32.2 |
| Pulley Jumping | 0.07 |
| Mounting hole position | Aligned to OE mounting points |
| TO Impeller height Ⅰ | 61.2 |
| 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 of one | 3.10 |
| Units per Carton | 4 |
| Gross Weight | 15.00 |
| Measurement | 41 x 36 x 19.5 cm |
| Net weight | 3.10 kg |
| Packing | 4 pcs/ctn, 15.00 kg gross |
What part numbers interchange with 1738991?
Depending on the catalog you use, the same pump shows up as:
- 1639196S1
- 1644762
- 1653975S1
- 1664762R
- 1742259S1
- 1747963S1
- 1778280R
- 1828142S1
- 1828162R
Packing and quality checks
Packing runs 4 pumps per carton, 15.00 kg gross weight, carton size 41 x 36 x 19.5 cm.
Air-tightness is checked pump by pump under a negative pressure of 0.1 MPa before packing.
Frequently asked questions
What vehicles or engines does 1738991 fit?
1738991 fits XFSeries12.9D05 engines. It is a Daf application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 1738991?
1738991 interchanges with 1639196S1, 1644762, 1653975S1, 1664762R, 1742259S1, 1747963S1 and 3 more. All of these refer to the same water pump assembly.
Is 1738991 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 1738991 water pump weigh?
One pump weighs 3.10 kg net. A full carton of 4 pieces comes to 15.00 kg gross.
How do I confirm 1738991 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.
Send us the OE number and your engine model — we confirm fitment before you order.
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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