Excavator Spare Parts
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Fluid-control solenoid valve assembly identified by Cat number 174-4909. The manufacturer record specifies an integral two-pin connector, 7/8-14 thread and 19.1 mm hex and lists D6R, D7R, D8T and related track-type tractor applications. The photographed assembly carries 323-9531 on its coil; this is the separately serviceable coil component and must not be presented as a direct interchange for the complete 174-4909 valve. Confirm the assembly number, coil, thread, connector and hydraulic circuit before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Cat solenoid valve assembly | 174-4909 |
| Service Component Number - Coil Only | Separately serviceable coil, not the complete valve | 323-9531 |
| Formatted Alias | Same coil number without separator | 3239531 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
6 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Recorded compatible model references include Machine family: Cat D6R / D6T track-type tractors, Machine family: Cat D7R track-type tractors, Machine family: Cat D8R / D8T track-type tractors, Machine family: Cat D9 / D10 / D11 track-type tractors, Pipelayer family: Cat PL72 / PL83 / PL87, Fitment limitation: Confirm complete valve number, coil, connector, thread, hydraulic circuit and machine serial range. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 3239531.
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
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