Product identity
Record the complete orderable part number and distinguish labels, casting marks and assembly numbers.
PARTS BY SYSTEM
Electrical Parts
Browse heavy equipment electrical parts including sensors, switches, relays, harnesses, monitors, alternators, gauges, and related components.
276 current listings2 represented brands12 popular model paths
SYSTEM SCOPE
Identify electrical parts precisely
Electrical parts support starting, charging, sensing, monitoring and machine control. Products that serve a similar function can still differ by specification, interface and machine configuration.
COMPONENT TERMINOLOGY
Common request types
This terminology describes the system scope; it is not a claim that every listed type is available or fits every machine.
sensors, switches, relays, harnesses, starters, alternators and monitors
State whether the request is for a complete assembly, service component, individual seal or multi-part kit. Similar labels can refer to different orderable products.
MACHINE PATHS
Popular model associations
Counts reflect current catalog assignments rather than verified universal fitment.
276 current listings
Review each product page for its exact part number and verification state.
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7861-93-4550 Sensor
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7861-93-5810 Sensor
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8221-06-1480 Switch
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8234-60-1160 Solenoid Valve
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8234-60-1170 Solenoid Valve
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840225319 Solenoid
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Ammeter for Komatsu D155A-1
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BF5494 VALVE, SOLENOID
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CA0396084 Solenoid Valve
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D2300-00000 Oil Pressure Sensor for SD23
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EA504225815 Alternator
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KD0-25000-8522 Safety Relay
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Komatsu 421-07-21510 Sensor Assembly
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KT16285-6301-0 Starting Motor
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ND246470-2451 Wiring Harness
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ND499000-6160 Sensor Assembly
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VERIFICATION WORKFLOW
Check identity, application and scope separately
Machine application
Match the machine model, full serial number and relevant engine or assembly model.
Physical details
Compare voltage, connector, pin arrangement, mounting and label number and document the evidence used.
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Read guidance →COMMON QUESTIONS
Electrical Parts FAQ
Does the system category prove machine fitment?
No. It describes product function or catalog organization. Product-level fitment still requires model, serial and part-number evidence.
Can appearance or dimensions prove interchangeability?
No. Internal specification, material, calibration and interfaces may differ. Use an authoritative cross-reference or technical review.
What information reduces matching errors?
Provide the complete part number, machine and serial details, installed position, clear labels and relevant physical or electrical measurements.
SYSTEM-SPECIFIC MATCHING
Request part matchingNeed help with electrical parts?
Send the part number, machine details and original-resolution photos.