Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Cat Part Number | Official pump-head solenoid-valve identity | 543-5391 |
| Same-number Formatting Variant | Search alias only | 5435391 |
Excavator Hydraulic Spare Parts
543-5391 1.6A Hydraulic Pump Solenoid Valve for Cat 330 336 349 Excavators
Product video
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OEM / reference543-5391
SpecificationHydraulic Pump-Head Solenoid Valve
Catalog ID53749604
Hydraulic pump-head solenoid valve identified by official Cat part number 543-5391. Cat specifies a 1.6 A valve, maximum 13.7 MPa working pressure, -20°C to 90°C oil temperature range, 4.74 in length and 2.28 in width. Compatible equipment includes 330, 336, 349 and additional excavator families. Four selected exact owned photographs show the same cartridge, coil, connector and mounting face.
- Product Type
- Hydraulic Pump-Head Solenoid Valve
- Current
- 1.6 A
- Maximum Working Pressure
- 13.7 MPa
- Oil Temperature Range
- -20°C to 90°C
- Length
- 4.74 in
- Width
- 2.28 in
- Material
- Carbon steel
- Condition
- New replacement component
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
Formatting alias
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Hydraulic Pump-Head Solenoid Valve
- Category
- Excavator Hydraulic Spare Parts
- Catalog ID
- 53749604
- Photo views
- 4
Before ordering
Confirm these details
- 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.
Machine fitment
Compatible model references
3 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
Common questions about 543-5391
Which machines use 543-5391?
Recorded compatible model references include Representative Cat Excavators: 317 / 318 GC / 319 / 321 / 326 / 330 / 330 GC / 333 / 335 / 336 / 336 GC / 340 / 345 GC / 349 / 349 GC / 350 / 352 / 355 / 374 / 395, Other official Cat applications: Selected material handlers, wheeled excavators, forestry equipment, wheel loaders and mobile hydraulic power units listed by Cat, Fitment limitation: Confirm 543-5391, current rating, connector, cartridge geometry and machine serial before shipment. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 543-5391?
Formatting aliases for the same number: 5435391.
How do I confirm 543-5391 before ordering?
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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