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Caterpillar 585-9230 is the hydraulic pump proportional solenoid valve (flange mounted cartridge with integral connector). It is used on Caterpillar next generation 312 to 340 excavators. This aftermarket valve has the same ports, mounting and coil connector 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 | Solenoid Valve |
| Replaces | Caterpillar 585-9230 |
| Type | Proportional solenoid valve, flange mounted, integral connector |
| Fits | Caterpillar 312 GX; Caterpillar 313 GC; Caterpillar 315; Caterpillar 317; Caterpillar 320; Caterpillar 320 GC; Caterpillar 323; Caterpillar 323 GC; Caterpillar 326; Caterpillar 330; Caterpillar 330 GC; Caterpillar 336; Caterpillar 336 GC; Caterpillar 340 |
| Condition | New, aftermarket |
| Stat. HS-Code | 848180 |
Caterpillar machines
Check the part number on your old unit before ordering.
| Caterpillar Part No.(SPM Part No.) | Fits |
|---|---|
| 585-9230(SPM-HEP-2999) | Caterpillar 312 GX, Caterpillar 313 GC, Caterpillar 315, Caterpillar 317, Caterpillar 320, Caterpillar 320 GC, Caterpillar 323, Caterpillar 323 GC, Caterpillar 326, Caterpillar 330, Caterpillar 330 GC, Caterpillar 336, Caterpillar 336 GC, Caterpillar 340 |
Slow or weak hydraulics
When the machine loses power at the pump, digs slowly or stalls the engine under load, the pump control solenoid is a common cause once the pilot pressure and filters check out.
Pump fault codes
A solenoid or pump control fault on the monitor points to the valve, its plug or the wiring. Measure the coil resistance and check the connector for water before replacing the valve.
Sticking spool
Dirty oil wears the spool and makes it stick, so the pump does not follow the controls. Fit a new valve and change the hydraulic filters.
Fitting tips
Relieve the hydraulic pressure before removing the old valve, fit the new O rings lightly oiled, tighten to the machine maker's torque and check for leaks and correct operation before work.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay (12 aftermarket sellers) | USD 34.99 to 63.21 | 6 Oct 2026 |
| MyMROmarts | USD 97.99 | 6 Oct 2026 |
| SINOCMP | USD 99.00 | 6 Oct 2026 |
| Fab Heavy Parts | USD 446.88 | 6 Oct 2026 |
| Spare Part Mart | USD 27.99 | Today |
Our price of USD 27.99 is 20% to 94% 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 585-9230. It is not made by or affiliated with Caterpillar; the Caterpillar part number is used only to show what it replaces.
It fits Caterpillar 312 GX; Caterpillar 313 GC; Caterpillar 315; Caterpillar 317; Caterpillar 320; Caterpillar 320 GC; Caterpillar 323; Caterpillar 323 GC; Caterpillar 326; Caterpillar 330; Caterpillar 330 GC; Caterpillar 336; Caterpillar 336 GC; Caterpillar 340. Machines change parts between serial number ranges, so check the number on your old part or in your parts manual.
It has the same ports, mounting and coil connector as the original. Check the coil voltage matches your old valve, mark the ports before removing it, seal the threads and check for leaks under load.
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.
