Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Yanmar catalog reference | 119578-77210 |
| Archived Manufacturer Lead | Retained for lookup; direct interchange not independently confirmed | LR180-04 |
Excavator Alternators
119578-77210 12V 80A Alternator for Yanmar 6LY3 Marine Engines
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OEM / reference119578-77210
Specification12V 80A Alternator
Catalog ID
12V 80A alternator identified by Yanmar part number 119578-77210. Yanmar's parts catalog lists this alternator across 6LY3-STC, 6LY3-UTC, 6LY3-ETP, 6LY3-STP and 6LY3-UTP generator diagrams. Confirm the complete number, pulley, terminal layout and engine serial range before ordering.
- Product Type
- Alternator
- Voltage
- 12V
- Output
- 80A
- Condition
- New replacement part
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
Manufacturer number
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
12V 80A Alternator
- Category
- Excavator Alternators
- Catalog ID
- Photo views
- 4
Before ordering
Confirm these details
- Confirm voltage and rated amperage against the original alternator label.
- Compare mounting ears, pulley type and pulley-groove count.
- Check plug shape, terminal position and regulator connection.
- Verify the engine model and machine serial range before ordering.
Machine fitment
Compatible model references
2 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 119578-77210
Which machines use 119578-77210?
Recorded compatible model references include Yanmar Marine Engines: 6LY3-STC / 6LY3-UTC / 6LY3-ETP / 6LY3-STP / 6LY3-UTP, Fitment Limitation: Confirm part number, pulley, terminal layout and engine serial range. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 119578-77210?
Manufacturer number: LR180-04.
How do I confirm 119578-77210 before ordering?
Confirm voltage and rated amperage against the original alternator label. Compare mounting ears, pulley type and pulley-groove count. Check plug shape, terminal position and regulator connection. Send clear photos of the original unit and connector layout when requesting a quote.