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  • Home
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Home / Blog
Hitachi excavator hydraulic pump drive gear 3104555 with external teeth and internal splines

Excavator Hydraulic Pump Drive Gear Inspection Guide

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September 25, 2026
Hitachi excavator electric fuel transfer pump with metal body, ports, mounting flange and electrical connectors

Excavator Electric Fuel Transfer Pump Testing Guide

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September 25, 2026
Dark annular KYB MAG170 excavator travel motor friction plates with outer locating tabs

Excavator Travel Motor Friction Plate Diagnosis and Rebuild Guide

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September 25, 2026
Brass Hitachi excavator coolant temperature sensor with threaded body, hex fitting, probe and electrical terminal

Excavator Coolant Temperature Sensor Testing Guide

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September 23, 2026
White translucent Hitachi ZAX130-5A excavator coolant expansion tank with mounting inserts, filler opening and level sensor

Excavator Coolant Expansion Tank Replacement Checklist

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September 23, 2026
Black molded Hitachi ZAX450-3 and ZAX470-3 excavator air intake hose with curved ends and parts label

Excavator Air Intake Hose Inspection and Replacement Guide

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September 23, 2026
Cylindrical Hitachi excavator fuel filter water separator element with metal mesh outer support

Excavator Fuel Water Separator: Replacement and Checks

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September 22, 2026
Hitachi ZAX330-3 excavator main hydraulic pump seal kit with O-rings and shaft seals arranged on a white surface

Excavator Hydraulic Pump Seal Kit: Rebuild Scope Checklist

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September 22, 2026
Hitachi excavator engine stop limit switch with toggle lever, protective loom and multi-pin connector

Excavator Engine Stop Switch: Test Before Replacement

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September 22, 2026
Rectangular pleated Hitachi ZAX490-5A excavator cabin air filter with black foam sealing frame

Excavator Cabin Air Filter Replacement and Fitment Guide

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September 22, 2026
Front view of Hitachi ZX180W-7 excavator control panel showing multiple rotary dials including the throttle dial

Excavator Throttle Dial Failure: Harness and Signal Tests

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September 21, 2026
Rear view of Hitachi ZX200-3 excavator monitor panel showing heat sink, mounting points and electrical connectors

Excavator Monitor Panel Failure: Test Before Replacement

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September 21, 2026
Hitachi KYB 4718274 excavator shuttle signal valve block with multiple capped hydraulic ports

Excavator Shuttle Valve Failure: Signal Circuit Diagnosis

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September 21, 2026
Gray Hitachi excavator main hydraulic pump regulator with capped ports and identification label

Excavator Main Pump Regulator Failure: Diagnostic Checklist

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September 21, 2026
Red Hitachi ZAX330-5A excavator diesel fuel tank packed inside a wooden shipping crate

Excavator Fuel Tank Replacement: Inspection and RFQ Guide

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September 20, 2026
Hitachi excavator pilot gear pump 9218033 with double gear body, drive shaft and mounting flange

Excavator Pilot Gear Pump Failure: Test Before Replacement

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September 20, 2026
Black molded excavator upper radiator hose with reinforced wall, multiple bends and two open ends

Excavator Radiator Hose Replacement: Fitment Checklist

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September 20, 2026
Gray excavator hydraulic swing motor with circular mounting flange, valve block and capped ports

Excavator Swing Motor Failure: Test Before Replacement

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September 20, 2026
Excavator external wiring harness with corrugated loom, sealed multipin connectors, branch leads and ring terminals

Excavator Wiring Harness Replacement: Fitment Checklist

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September 19, 2026
Hitachi excavator proportional solenoid valve block with four electrical coils and hydraulic ports

Excavator Solenoid Valve: Electrical and Hydraulic Tests

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September 19, 2026
Black hydraulic fan motor with upright metal shaft, mounting flange and two capped ports

Excavator Hydraulic Fan Motor: Diagnose Before Replacement

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September 18, 2026
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