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Mitsubishi ME990328 is the engine coolant pump: cast iron body, bearing and shaft, mechanical seal and impeller, with flange hub. It is used on Mitsubishi 4M50 engines. This aftermarket version is made to the same mounting and connections as the original, so it fits where the old one came off.
Sold as one unit. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | Water Pump |
| Replaces | Mitsubishi ME990328 |
| Fits | Mitsubishi 4M50 and 4M50T engines in the Sany SY215C, Kato HD820-5 and Sumitomo SH60-2 excavators |
| Condition | New, aftermarket |
| Stat. HS-Code | 841330 |
| Country of Manufacture | China |
Mitsubishi machines
Check the part number on your old unit before ordering.
| Mitsubishi Part No.(SPM Part No.) | Fits |
|---|---|
| ME990328(SPM-HEP-4467) | Mitsubishi 4M50 and 4M50T engines in the Sany SY215C, Kato HD820-5 and Sumitomo SH60-2 excavators |
What it does
It circulates coolant through the block, head and radiator. A worn seal or bearing lets coolant out and the engine overheat.
Where it is used
Made for the Mitsubishi 4M50, 4M50T engines in the Sany SY215C, Kato HD820-5 and Sumitomo SH60-2 excavators. The full list is in the tables above.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay (8 aftermarket sellers) | USD 229.50 to 371.01 | 29 Oct 2026 |
| YEMPARTS | USD 248.50 | 3 Nov 2026 |
| Amazon (Jianshi Ningzhi International) | USD 264.16 | 3 Nov 2026 |
| FridayParts | USD 369.59 | 29 Oct 2026 |
| Fab Heavy Parts | USD 509.60 | 29 Oct 2026 |
| Spare Part Mart | USD 183.60 | Today |
Our price of USD 183.60 is 20% to 64% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Yes, it was made for the Mitsubishi 4M50, and 3 more listed under compatible equipment. Check the old water pump is marked ME990328 or one of the cross references, because makers change parts between serial ranges.
On the Mitsubishi 4M50, often 5,000 to 10,000 hours with clean fluid, much less with dirt or air in the system. It is usually changed on condition, not by hours.
Leaks from the seal or weep hole, noise or whining, overheating, or falling pressure or flow under load.
Clean them right back to metal and fit the new gasket or O-ring dry, unless the engine manual calls for sealant.
Most failures come from contamination, cavitation from a restricted inlet, or running low on fluid. Check the inlet and the fluid before fitting the new water pump.
No. It is an aftermarket water pump made to replace the Mitsubishi ME990328. It is not made by the original manufacturer; the number only shows what it replaces.
Live rates for the quantity selected, delivered to your door. Confirmed at checkout.
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