Excavator Alternators
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8943388470 is an Isuzu alternator reference in the official WAI 12323N replacement family. WAI specifies a new Hitachi IR/EF alternator rated at 24 volts and 20 amps with clockwise rotation and a single-groove pulley. Published applications cover Isuzu industrial equipment using C240 and C330 engines. Confirm the complete number, 24V/20A label, single-groove pulley, rear terminals, mounting ears and engine installation before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Isuzu Part Number | Official WAI replacement-reference entry | 8943388470 |
| Isuzu Replacement Reference | Cataloged replacement reference | 8943388471 |
| Hitachi Manufacturer References | Cataloged manufacturer references | LR220-27 / LR220-27B |
| Aftermarket Catalog Number | Official WAI product record | WAI 12323N |
| Lester Industry Catalog Number | Catalog cross-reference only | 12323 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
4 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
Recorded compatible model references include Published Engine: Isuzu C240, Published Engine: Isuzu C330, Equipment Type: Isuzu industrial equipment, Fitment Limitation: Confirm 8943388470, 24V/20A label, pulley, terminals, mounting ears and engine installation. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: LR220-27 / LR220-27B.
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.
