Hanchi Auto Parts
ME994451 Water Pump Suitable for Mitsubishi 4M51 4M50 High Quality
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Looking for ME994451? It is the Mitsubishi OE reference for a cooling water pump used on 4M51, 4M50, Pulley and other listed engines. The replacement we supply keeps the same fit and pulley dimensions. Net weight 1.50 kg, packed 8 per carton.
Which engines use the ME994451 water pump?
You will find this pump on 4M51; 4M50; Pulley; 97mm; TRUCK.
Match your engine model to the list and the pump will fit without rework.
What are the specifications of ME994451?
| Parameter | Value |
| OE number | ME994451 |
| Fits brand | Mitsubishi |
| TO Belt pulley height | 51 |
| TO Impeller height Ⅱ | 10.4 |
| TO Shaft head height | 70.6 |
| Pulley Jumping | 0 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | M10X1.25 |
| 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 | M115-WD-1 |
| Net weight of one | 1.50 |
| Net weight | 1.50 kg |
| Packing | 8 pcs/ctn, 14.00 kg gross |
What part numbers interchange with ME994451?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- A3126
- ME993932
- ME993965
- ME994506
- ME994522
Packing and quality checks
For shipping estimates, count on 8 pumps per carton (14.00 kg, 40.8 x 36 x 38.5 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 ME994451 fit?
ME994451 fits 4M51, 4M50, Pulley and other listed engines. It is a Mitsubishi application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace ME994451?
ME994451 interchanges with A3126, ME993932, ME993965, ME994506, ME994522. All of these refer to the same water pump assembly.
Is ME994451 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 ME994451 water pump weigh?
One pump weighs 1.50 kg net. A full carton of 8 pieces comes to 14.00 kg gross.
How do I confirm ME994451 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.


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