Hanchi Auto Parts
5000281838 Water Pump Suitable for Mercedes Benz MERCEDES.MAN 401.445.442 OM477A High Quality
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If your parts book shows 5000281838, you need a water pump for MERCEDES.MAN 401.445.442, OM477A, OM447L and other listed engines. Ours is a matching replacement — same mounting holes, same belt pulley height, pressure-tested before packing. Related OE numbers include 403 200 4401, 403 200 5101, 403 200 7101, 457 200 0101, 4572000101 and 1 more.
Which engines use the 5000281838 water pump?
Fitment covers MERCEDES.MAN 401.445.442; OM477A; OM447L; OM449A; OM449L; The height of the mounting hole：53MM.
Match your engine model to the list and the pump will fit without rework.
What part numbers interchange with 5000281838?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- 403 200 4401
- 403 200 5101
- 403 200 7101
- 457 200 0101
- 4572000101
- 4572000201
What are the specifications of 5000281838?
| Parameter | Value |
| OE number | 5000281838 |
| Fits brand | Mercedes Benz |
| TO Impeller height Ⅱ | 21.3 |
| TO Shaft head height | 100 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | 6-M8X1.25 |
| TO Flange height | 90.9 |
| Flange jumping | 0.07 |
| 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 | O67X4-1 |
| Included Component 2 | MS112-WD-1 |
| Net weight | 9.93 kg |
| Packing | 2 pcs/ctn, 21.80 kg gross |
Packing and quality checks
Packing runs 2 pumps per carton, 21.80 kg gross weight, carton size 59 x 38 x 21 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 5000281838 fit?
5000281838 fits MERCEDES.MAN 401.445.442, OM477A, OM447L and other listed engines. It is a Mercedes Benz application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 5000281838?
5000281838 interchanges with 403 200 4401, 403 200 5101, 403 200 7101, 457 200 0101, 4572000101, 4572000201. All of these refer to the same water pump assembly.
Is 5000281838 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 5000281838 water pump weigh?
One pump weighs 9.93 kg net. A full carton of 2 pieces comes to 21.80 kg gross.
How do I confirm 5000281838 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.
Not sure this is your pump? Send a photo of the old unit and the engine tag; we will match it.
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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