Part identification
Reference numbers
Search with or without hyphens. Match the complete number on the original part.

5 verified product photos · Select a thumbnail to change the main image.
Alternators
Alternator referenced by 4N3986. An exact part-number match confirms 59 application records and 53 related reference numbers. Verified configuration: 60 Amp/24 Volt, Bi-Directional, Insulated Grd., w/o Pulley. Confirm the complete part number, mounting arrangement, electrical connection and machine serial range before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Search with or without hyphens. Match the complete number on the original part.
Product summary
Before ordering
Machine fitment
59 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 Make: Caterpillar Ag. & Ind. · Model: 130G · Year: 1994-1995 · Engine: Cat. 3304, Make: Caterpillar Ag. & Ind. · Model: 3304 · Year: 1986-1993 · Engine: All, Make: Caterpillar Ag. & Ind. · Model: 3306 · Year: 1985-1993 · Engine: All, Make: Caterpillar Ag. & Ind. · Model: 3406 · Year: 1970-1993 · Engine: All, Make: Caterpillar Ag. & Ind. · Model: 3408 · Year: 1970-1993 · Engine: All, Make: Caterpillar Ag. & Ind. · Model: 3412 · Year: 1986-1993 · Engine: All, Make: Caterpillar Ag. & Ind. · Model: 3512 · Year: 1986-1993 · Engine: All, Make: Caterpillar Ag. & Ind. · Model: 3516 · Year: 1986-1993 · Engine: All and 51 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.
The recorded reference family includes 4N3986, 1117746, 0242715, 0R5203, 1-2690-00DR, 101-30200, 101-30204, 110-459, 110591, 1117648, 1117734, 1117826 and 41 additional numbers listed above. Match the complete number and physical configuration before replacing the original part.
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.
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