Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
8981808750
Manufacturer number
LR280-509
Formatting alias
8-98180-875-0
LR280509
Cross-reference (fitment check required)
LR280-508
Other documented relationship
8973515740
8972489141
Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.
Product summary
Alternator with Vacuum Pump
Category
Alternators
Catalog ID
53680772
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
3 model references
Engine model: 4HK1
Vehicle / equipment family: NQR90
Related application families: NKR and NPR equipment using the matching 24V 80A vacuum-pump alternator configuration
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 8981808750
Which machines use 8981808750?
Recorded compatible model references include Engine model: 4HK1, Vehicle / equipment family: NQR90, Related application families: NKR and NPR equipment using the matching 24V 80A vacuum-pump alternator configuration. Recorded fitment/evidence notes: Fitment limitation: Verify 24V system, 80A output, pulley grooves, mounting dimensions, connector and vacuum-pump hose-port arrangement. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 8981808750?
Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Manufacturer number: LR280-509. Formatting aliases for the same number: 8-98180-875-0, LR280509.
How do I confirm 8981808750 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.
