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.
Part-number relationships
Relationship
Reference family
Number
Primary Select Parts Number
Isuzu Select Parts catalog identity
1-87618283-0
Formatted Alias
Same Select Parts number without separators
1876182830
Isuzu Genuine Part Number
Catalog-paired genuine number
1-81200530-4
Formatted Genuine Alias
Same genuine number without separators
1812005304
Replacement Catalog Number
Lucas replacement catalog family
LEA1090
Cross-reference (fitment check required)
Cross-reference catalog family; verify configuration before ordering
A004TU5485 / A004TU5486 / A004TU9586
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
1-87618283-0
Formatting alias
1876182830
1812005304
Cross-reference (fitment check required)
A004TU5485 / A004TU5486 / A004TU9586
Other documented relationship
1-81200530-4
LEA1090
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
24V 50A Alternator
Category
Alternators
Catalog ID
77165507
Photo views
3
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
6 model references
Isuzu engine family: 4BG1
Isuzu engine family: 6BG1
Isuzu engine family: 6WG1
Published machine application: John Deere 180CW with 4BG1X
Published machine application: John Deere 450DLC / 650DLC / 850DLC with 6WG1X
Published machine application: John Deere 800CLC with 6WG1
Fitment / evidence notes
Fitment limitation: Confirm complete number, pulley, mounting ears, two-blade plug and machine serial
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 1-87618283-0
Which machines use 1-87618283-0?
Recorded compatible model references include Isuzu engine family: 4BG1, Isuzu engine family: 6BG1, Isuzu engine family: 6WG1, Published machine application: John Deere 180CW with 4BG1X, Published machine application: John Deere 450DLC / 650DLC / 850DLC with 6WG1X, Published machine application: John Deere 800CLC with 6WG1. Recorded fitment/evidence notes: Fitment limitation: Confirm complete number, pulley, mounting ears, two-blade plug and machine serial. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 1-87618283-0?
Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Formatting aliases for the same number: 1876182830, 1812005304.
How do I confirm 1-87618283-0 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.
