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

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Alternators
Alternator referenced by 1-81200603-1, 1-81200530-0. Exact-reference catalog verification links this unit to 187 application records and 55 related reference numbers. Verified configuration: 50 Amp/24 Volt, CW, 3-Groove Pulley. Confirm the complete part number, mounting interface, 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
187 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: Hitachi · Model: EX120 · Year: 1988-2000 · Engine: L4 3.9L 235cid Isuzu 4BD1T, Make: Hitachi · Model: EX150 · Year: 1988-1999 · Engine: L4 3.9L 235cid Isuzu 4BD1T, Make: Hitachi · Model: ZAXIS 130 3 · Year: 2008-2013 · Engine: L4 3.9L 235cid Isuzu 4BD1T, Make: Hitachi · Model: ZAXIS 130-5G · Year: 2014-2017 · Engine: L4 3.0L - 183cid Isuzu 4JJ1, Make: Hitachi · Model: Zaxis 160 · Year: 2003-2008 · Engine: L4 3.9L 235cid Isuzu 4BD1T, Make: Hitachi · Model: ZAXIS 160LC · Year: 2003-2008 · Engine: L4 4.3L 262cid Isuzu 4BG1, Make: Hitachi · Model: ZAXIS 160W · Year: 2003-2006 · Engine: L4 4.3L 262cid Isuzu 4BG1, Make: Hitachi · Model: Zaxis 180LC · Year: 2003-2007 · Engine: L4 3.9L 235cid Isuzu 4BD1T and 179 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.
The recorded reference family includes 1-81200603-1, 1-81200530-0, 20113N, 1-3358-01MI, 1-81200-603-1, 1-81200-603-2, 1-81200-603-5, 1-81200-603-6, 1-81200-603-7, 115315, 136.006.050, 136.006.050.130 and 40 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.
Continue comparing recovered references from the same system.