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SPM-HEP-4455 is the engine coolant pump: cast iron body, bearing and shaft, mechanical seal and impeller, with a single groove pulley. It is used on Komatsu PC200-3 excavators. This aftermarket version is made to the same mounting and connections as the original, so it fits where the old one came off.
It replaces Komatsu 6136-62-1100 and Komatsu 6136-62-1102.
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 | Komatsu 6136-62-1100 |
| Pulley | Single groove |
| Cross references | Komatsu 6136-62-1102 |
| Fits | Komatsu S6D105-1 engines in PC200-3, PC200LC-3, PC220-3 and PC220LC-3 excavators |
| Condition | New, aftermarket |
| Stat. HS-Code | 841330 |
| Country of Manufacture | China |
Komatsu machines
Check the part number on your old unit before ordering.
| Komatsu Part No.(SPM Part No.) | Fits |
|---|---|
| 6136-62-1100(SPM-HEP-4455) | Komatsu S6D105-1 engines in PC200-3, PC200LC-3, PC220-3 and PC220LC-3 excavators |
| 6136-62-1102(SPM-HEP-4455) | Komatsu S6D105-1 engines in PC200-3, PC200LC-3, PC220-3 and PC220LC-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 Komatsu S6D105-1 engines in PC200-3, PC200LC-3, PC220-3 and PC220LC-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 (8 aftermarket sellers) | USD 100.19 to 194.97 | 29 Oct 2026 |
| KuduParts | USD 135.00 | 30 Oct 2026 |
| FridayParts | USD 158.98 | 29 Oct 2026 |
| Buy Machinery | USD 229.16 | 30 Oct 2026 |
| Fab Heavy Parts | USD 249.00 | 30 Oct 2026 |
| Spare Part Mart | USD 82.36 | Today |
Our price of USD 82.36 is 18% to 67% 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 Komatsu 6136-62-1100 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.
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.
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 Komatsu 6136-62-1100. 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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