OTTO-Hydraulic Parts
3081504 Control Link Arm Hitachi ZX

3081504 Control Link Arm Hitachi Pilot Control Parts ZX Excavator Spare Parts Hydraulic Excavator Spare Parts

OTTO Control Link Arm (3081504) for Hitachi ZX excavator - in the position shown for this part on the machine. It carries load, locates the mating component and takes the wear so the assembly around it keeps working. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

  • Item NO.:

    3081504
  • Product Origin:

    China
  • Shipping Port:

    Huangpu, Guangzhou
  • Lead Time:

    1-3 days
  • Order(MOQ):

    1 pc
  • Goods Stock:

    100
  • Payment:

    T/T, Western Union, L/C, Paypal, etc
  • Shipping Port:

    Huangpu, Guangzhou
  • Lead Time:

    In Stock
  • Part No:

    3081504
  • Model:

    ZX
  • Application:

    EXCAVATOR

3081504 Control Link Arm Hitachi Pilot Control Parts ZX Excavator Spare Parts Hydraulic Excavator Spare Parts

The Control Link Arm (3081504) is the mechanical component for the Hitachi ZX excavator. It carries load, locates the mating component and takes the wear so the assembly around it keeps working. It is supplied as an OTTO unit for the Hitachi ZX.

3081504 Control Link Arm Hitachi ZX

Technical specifications

Part Name Control Link Arm
Part number 3081504
Brand OTTO
Applicable machine Hitachi ZX
Position in the position shown for this part on the machine
Function carries load, locates the mating component and takes the wear so the assembly around it keeps working
Construction machined steel or cast iron with the surface treatment of the original part
System Pilot control system
Origin China
Fitment check Confirm the machine serial and the number on the old unit before ordering
Warranty 3-12 months options

Fits this Hitachi machine

ZX Hitachi excavator

It is used on the Hitachi ZX excavator. Send us the machine serial and the number plate or photos of the old unit and we will confirm the part before dispatch. Browse our Hitachi parts and pilot control parts range.

Why fit this control link arm

  • Correct dimensions - so it seats without shimming or reaming.
  • Wear resistant - hardened or treated to the same spec as the original.
  • Direct replacement - same mounting, same fit, no modification.
  • Checked before packing - critical dimensions measured.

Signs this control link arm needs replacing

  • Excess play - or a knock that appears under load.
  • Visible wear or cracks - on the loaded face.
  • Seized or stiff movement - in the assembly.
  • Misalignment - or uneven wear on the mating part.

If your ZX shows any of these signs, replacing the part is the fastest way back to full production.

Installation notes

  • Inspect the mating part, a worn partner will damage the new component.
  • Clean and deburr the bore or face before fitting.
  • Use the specified torque and thread locking compound where required.
  • Recheck play after the first few hours of operation.
FAQ

Q: Which machines does this control link arm fit?

A: Hitachi ZX. Send your machine serial number and a photo of the old part so we can cross-check before ordering.

Q: What does this part do?

A: It carries load, locates the mating component and takes the wear so the assembly around it keeps working.

Q: How do I know it needs replacing?

A: Watch for excess play, visible wear or cracks and seized or stiff movement. Any of these on a working machine usually means the part is at the end of its life.

Q: Is this an original Hitachi part?

A: This is an OTTO aftermarket part built to replace Hitachi 3081504. It is not a Hitachi branded part. We also quote genuine parts on request.

Q: What are the lead time, shipping and payment terms?

A: In-stock units ship within 1-3 working days. We ship worldwide by DHL, TNT, UPS, air or sea freight with export packing. Trade terms: EXW, FOB, CIF or DDP; payment by T/T, Western Union, L/C or Paypal.

Q: Why choose OTTO?

A: Listed manufacturer and exporter with 20+ years in excavator parts.
OEM quality at competitive prices; components tested before shipment.
Stable supply and export packing for wholesale and dealer programs.
Worldwide shipping with full documents and after-sales support.

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