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SPM-HEP-2410 is a transmission oil pump for the Caterpillar 416 to 438 backhoe loaders. 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 Caterpillar 6Y-3864 and Caterpillar 9W-5426.
Sold as one unit. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | Transmission Oil Pump |
| Replaces | Caterpillar 6Y-3864 |
| Cross References | Caterpillar 9W-5426 |
| Fits | Caterpillar 416, 416B, 426, 426B, 428, 428B, 436 and 438 backhoe loaders |
| Condition | New, aftermarket |
| Stat. HS-Code | 841360 |
Caterpillar machines
Check the part number on your old unit before ordering.
| Caterpillar Part No.(SPM Part No.) | Fits |
|---|---|
| 6Y-3864(SPM-HEP-2410) | Caterpillar 416, 416B, 426, 426B, 428, 428B, 436 and 438 backhoe loaders |
| 9W-5426(SPM-HEP-2410) | Caterpillar 416, 416B, 426, 426B, 428, 428B, 436 and 438 backhoe loaders |
| Brand | Part No. |
|---|---|
| Caterpillar | 6Y-3864 |
| Caterpillar | 9W-5426 |
All of these numbers are the same part.
Machine slow to drive or will not move
A worn transmission charge pump cannot hold clutch pressure: the machine creeps, slips or will not drive when warm.
Whining from the gearbox
A pump that whines or growls under load is worn or drawing air through a blocked suction strainer.
Gearbox rebuilds
Fit a new pump whenever the transmission is rebuilt so worn gears do not undo the repair.
Fitting tips
Clean the strainer, fit a new seal and O ring, refill with the specified oil and check the pressure before work.
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 144.98 to 159.28 | 4 Oct 2026 |
| Holdwell | USD 148.00 | 6 Oct 2026 |
| MyMroMarts | USD 280.99 | 6 Oct 2026 |
| Buy Machinery Parts | USD 286.80 | 6 Oct 2026 |
| Fab Heavy Parts | USD 295.79 | 6 Oct 2026 |
| Spare Part Mart | USD 115.98 | Today |
Our price of USD 115.98 is 20% to 61% 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.
No. It is an aftermarket part made to fit in place of Caterpillar 6Y-3864. It is not made by or affiliated with Caterpillar; the Caterpillar part number is used only to show what it replaces.
It fits Caterpillar 416, 416B, 426, 426B, 428, 428B, 436 and 438 backhoe loaders. Machines change parts between serial number ranges, so check the number on your old part or in your parts manual.
It is made to the same mounting and connections as the original part. Fit new gaskets and seals where they are used, and check for leaks and correct operation before putting the machine back to work.
Yes, we ship worldwide. Shipping is calculated at checkout, and every order is covered by our 30 day money back guarantee and price beat guarantee.
Prices depend on your postcode.
In USD for the quantity selected. The exact cost is confirmed at checkout.
