Hanchi Auto Parts
MM409301 Water Pump Suitable for Mitsubishi K4N K4E-L High Quality
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Looking for MM409301? It is the Mitsubishi OE reference for a cooling water pump used on K4N and K4E-L engines. The replacement we supply keeps the same fit and pulley dimensions. Net weight 1.30 kg, packed 8 per carton.
Which engines use the MM409301 water pump?
The OE application list reads: K4N; K4E-L.
Any engine on this list takes our replacement as a straight swap.
What part numbers interchange with MM409301?
Depending on the catalog you use, the same pump shows up as:
- 30A45-00200
What are the specifications of MM409301?
| Parameter | Value |
| OE number | MM409301 |
| Fits brand | Mitsubishi |
| TO Shaft head height | 114.3 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | M6X1 |
| TO Flange height | 117.7 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 1 |
| 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 | D-ZG3-8-19 |
| Included Component 2 | SG3-8-44 |
| Included Component 3 | M147-WD-1 |
| Net weight | 1.30 kg |
| Packing | 8 pcs/ctn, 13.40 kg gross |
Packing and quality checks
Logistics data: 8 pcs/ctn, 13.40 kg gross, 40.8 x 36 x 38.5 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 MM409301 fit?
MM409301 fits K4N and K4E-L engines. It is a Mitsubishi application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace MM409301?
MM409301 interchanges with 30A45-00200. All of these refer to the same water pump assembly.
Is MM409301 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 MM409301 water pump weigh?
One pump weighs 1.30 kg net. A full carton of 8 pieces comes to 13.40 kg gross.
How do I confirm MM409301 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.


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