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Cummins 5269784 is the engine coolant pump: an aluminium housing with a ribbed belt pulley, a plastic impeller and an O-ring seal on the mounting face. It is used on Cummins ISF2.8 and ISF3.8 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 | Cummins 5269784 |
| Engine | Cummins ISF2.8, ISF3.8 |
| Drive | Multi rib belt pulley |
| Fits | Cummins ISF2.8 and ISF3.8 engines (Foton and light truck applications) |
| Condition | New, aftermarket |
| Stat. HS-Code | 841330 |
| Country of Manufacture | China |
Cummins machines
Check the part number on your old unit before ordering.
| Cummins Part No.(SPM Part No.) | Fits |
|---|---|
| 5269784(SPM-HEP-4648) | Cummins ISF2.8 and ISF3.8 engines (Foton and light truck applications) |
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 Cummins ISF2.8 and ISF3.8 engines (Foton and light truck applications). 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 (5 aftermarket sellers) | USD 55.99 to 129.99 | 31 Oct 2026 |
| WDPart | USD 85.00 | 31 Oct 2026 |
| KuduParts | USD 86.00 | 31 Oct 2026 |
| Fab Heavy Parts | USD 92.95 | 31 Oct 2026 |
| MyMROmarts | USD 104.54 | 31 Oct 2026 |
| SINOCMP | USD 149.00 | 31 Oct 2026 |
| Spare Part Mart | USD 47.14 | Today |
Our price of USD 47.14 is 16% to 68% 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 Cummins ISF2.8, and 1 more listed under compatible equipment. Check the old water pump is marked 5269784 or one of the cross references, because makers change parts between serial ranges.
On the Cummins ISF2.8, 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 Cummins 5269784. 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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