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Isuzu 8-98038845-0 is the engine coolant pump: a black cast iron body with a mounting flange, an aluminium pulley hub with six bolt holes and a cast impeller. It is used on Isuzu 4HK1 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 | Isuzu 8-98038845-0 |
| Engine | Isuzu 4HK1 |
| Pulley hub | 6 hole |
| Fits | Isuzu 4HK1 engines in Sumitomo SH200-5 and SH210-5 and Hitachi ZX200-3 excavators |
| Condition | New, aftermarket |
| Stat. HS-Code | 841330 |
| Country of Manufacture | China |
Isuzu machines
Check the part number on your old unit before ordering.
| Isuzu Part No.(SPM Part No.) | Fits |
|---|---|
| 8-98038845-0(SPM-HEP-4567) | Isuzu 4HK1 engines in Sumitomo SH200-5 and SH210-5 and Hitachi ZX200-3 excavators |
| 8980388450(SPM-HEP-4567) | Isuzu 4HK1 engines in Sumitomo SH200-5 and SH210-5 and Hitachi ZX200-3 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 Isuzu 4HK1 engines in Sumitomo SH200-5, SH210-5 and Hitachi ZX200-3 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 (2 aftermarket sellers) | USD 121.60 | 30 Oct 2026 |
| FridayParts | USD 152.84 | 30 Oct 2026 |
| Fab Heavy Parts | USD 178.07 | 3 Nov 2026 |
| Kudu | USD 197.11 | 3 Nov 2026 |
| YEM Parts | USD 217.27 | 3 Nov 2026 |
| SINOCMP | USD 239.00 | 30 Oct 2026 |
| Spare Part Mart | USD 100.20 | Today |
Our price of USD 100.20 is 18% to 58% 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 is a direct replacement for the Isuzu 8-98038845-0 with the same fitting.
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.
If the coolant is old or dirty, yes. Worn coolant is the usual cause of seal failure, and a new pump in old coolant fails the same way.
Clean them right back to metal and fit the new gasket or O-ring dry, unless the engine manual calls for sealant.
No. It is an aftermarket water pump made to replace the Isuzu 8-98038845-0. 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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