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Excavator Alternators

51.26101-7145 12V Alternator for Komatsu D30E

51.26101-7145 12V Alternator for Komatsu D30E, OEM/reference 51.26101-7145, Alternator, product view 1
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OEM / reference51.26101-7145
SpecificationAlternator
Catalog ID53692745

Alternator identified by primary reference 51.26101-7145. Catalog-confirmed configuration: 12V. The cited technical sources record 148 application references. Confirm the complete number, connector or mounting arrangement, and machine serial range before ordering.

Product Type
Alternator
Product Brand
EexcavaStart
Voltage
12V 55A
Condition
New replacement part
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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

RelationshipReference familyNumber
Primary Part NumberSource catalog51.26101-7145
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration005 154 52 02 80
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration005-154-52-02
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration006 154 24 02 80
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration006-154-24-02
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration111141
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration12824
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration20101061
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration210-488
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration2940793
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration436425
Same-number Formatting VariantSource catalog51-26101-7145
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration523158
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration555.021.055
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration90-20-3563
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationA0020
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationA0051545202
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationA005154520280
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationA0061542402
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationA006154240280
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationAAK1130
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationAVF-12824
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationF032111141
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationIA 0097
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationL 30 660
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationMG 125
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationSA707

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
  • 51.26101-7145
Formatting alias
  • 51-26101-7145
Other documented relationship
  • 005 154 52 02 80
  • 005-154-52-02
  • 006 154 24 02 80
  • 006-154-24-02
  • 111141
  • 12824
  • 20101061
  • 210-488
  • 2940793
  • 436425
  • 523158
  • 555.021.055
  • 90-20-3563
  • A0020
  • A0051545202
  • A005154520280
  • A0061542402
  • A006154240280
  • AAK1130
  • AVF-12824
  • F032111141
  • IA 0097
  • L 30 660
  • MG 125
  • SA707

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

Alternator

Category
Excavator Alternators
Catalog ID
53692745
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

80 model references

  • Recorded application: Make: Komatsu · Model: D30E · Year: 1985-1992 · Engine: Mercedes OM352
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1413 · Year: 1979-1984 · Engine: OM353.944, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1413 · Year: 1979-1984 · Engine: OM353.946, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1413 · Year: 1979-1984 · Engine: OM353.964, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1417 · Year: 1979-1984 · Engine: OM353.951, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1417 · Year: 1979-1984 · Engine: OM353.953, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1417 · Year: 1979-1984 · Engine: OM353.971, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1613 · Year: 1979-1984 · Engine: OM353.944, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1613 · Year: 1979-1984 · Engine: OM353.946, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1613 · Year: 1979-1984 · Engine: OM353.964, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1617 · Year: 1979-1985 · Engine: OM353.951, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1617 · Year: 1979-1985 · Engine: OM353.953, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1617 · Year: 1979-1985 · Engine: OM353.971, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 2219 · Year: 1981-1987 · Engine: OM401.905, 9.6L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 2219 · Year: 1981-1987 · Engine: OM401.914, 9.6L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 2219 · Year: 1981-1987 · Engine: OM401.923, 9.6L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 2219 · Year: 1981-1987 · Engine: OM401.925, 9.6L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: L508D · Year: 1982-1987 · Engine: OM314.968, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: L508DG · Year: 1981-1982 · Engine: OM314.948, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: L608D · Year: 1981-1982 · Engine: OM314.948, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: L608D · Year: 1981-1982 · Engine: OM314.967, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: L608D · Year: 1984-1987 · Engine: OM314.968, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: L613D · Year: 1979-1982 · Engine: OM353.963, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: L613D · Year: 1979-1982 · Engine: OM353.966, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LA 911B · Year: 1979-1987 · Engine: OM352.906, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LA 911B · Year: 1979-1987 · Engine: OM352.911A, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LA 911B · Year: 1979-1987 · Engine: OM352.969, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LA 911B · Year: 1979-1987 · Engine: OM352.990, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LAKO 1513 · Year: 1979-1983 · Engine: OM352.936, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LKO 1113B · Year: 1979-1987 · Engine: OM352.908, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP 1013 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP 1013 · Year: 1979-1984 · Engine: OM353.965, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP 1113 · Year: 1979-1984 · Engine: OM352.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP 1113 · Year: 1979-1984 · Engine: OM352.965, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP709 · Year: 1979-1984 · Engine: OM314.910, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP709 · Year: 1979-1984 · Engine: OM314.944, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP809 · Year: 1979-1984 · Engine: OM314.910, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP809 · Year: 1979-1984 · Engine: OM314.944, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP813 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP813 · Year: 1979-1984 · Engine: OM353.981, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP913 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP913 · Year: 1979-1984 · Engine: OM353.965, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LP913 · Year: 1979-1984 · Engine: OM353.982, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPK 1013 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPK 1013 · Year: 1979-1984 · Engine: OM353.965, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPK 1113 · Year: 1979-1984 · Engine: OM352.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPK 1113 · Year: 1979-1984 · Engine: OM352.965, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPKF709 · Year: 1979-1984 · Engine: OM314.910, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPKF709 · Year: 1979-1984 · Engine: OM314.944, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL 1013 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL 1113 · Year: 1979-1984 · Engine: OM352.965, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL 1113 · Year: 1979-1984 · Engine: OM352.982, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL709 · Year: 1979-1984 · Engine: OM314.910, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL709 · Year: 1979-1984 · Engine: OM314.944, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL809 · Year: 1979-1984 · Engine: OM314.910, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL809 · Year: 1979-1984 · Engine: OM314.944, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL813 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL913 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL913 · Year: 1979-1984 · Engine: OM353.982, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPL913 · Year: 1981-1984 · Engine: OM353.965, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPLS709 · Year: 1979-1984 · Engine: OM314.910, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPLS709 · Year: 1979-1984 · Engine: OM314.944, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPLS813 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPO709 · Year: 1979-1984 · Engine: OM314.910, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPO709 · Year: 1979-1984 · Engine: OM314.944, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPO813 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPS709 · Year: 1979-1984 · Engine: OM314.910, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPS709 · Year: 1979-1984 · Engine: OM314.944, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPS813 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPS813 · Year: 1979-1984 · Engine: OM353.965, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: LPS913 · Year: 1979-1984 · Engine: OM353.904, 5.7L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: Mexico · Year: 1979-1982 · Engine: OM402.911, 13.0L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: O309 · Year: 1979-1982 · Engine: OM314.948, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: O309 · Year: 1979-1982 · Engine: OM314.959, 3.8L
  • Recorded application: Make: Mercedes Heavy Duty - Europe · Model: O309 · Year: 1979-1982 · Engine: OM353.966, 5.7L
  • Recorded application: Make: Mercedes LCV - Europe · Model: L608D · Year: 1981-1983 · Engine: 3800
  • Recorded application: Make: Mercedes LCV - Europe · Model: L911B · Year: 1979-1987 · Engine: OM352.969, 5.7L
  • Recorded application: Make: Mercedes LCV - Europe · Model: L911B · Year: 1979-1987 · Engine: OM353.911A, 5.7L
  • Recorded application: Make: Mercedes LCV - Europe · Model: L911B · Year: 1981-1987 · Engine: OM352.906, 5.7L
  • Recorded application: Make: Mercedes LCV - Europe · Model: L911B · Year: 1981-1987 · Engine: OM352.990, 5.7L

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 51.26101-7145

Which machines use 51.26101-7145?

Recorded compatible model references include Recorded application: Make: Komatsu · Model: D30E · Year: 1985-1992 · Engine: Mercedes OM352, Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1413 · Year: 1979-1984 · Engine: OM353.944, 5.7L, Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1413 · Year: 1979-1984 · Engine: OM353.946, 5.7L, Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1413 · Year: 1979-1984 · Engine: OM353.964, 5.7L, Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1417 · Year: 1979-1984 · Engine: OM353.951, 5.7L, Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1417 · Year: 1979-1984 · Engine: OM353.953, 5.7L, Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1417 · Year: 1979-1984 · Engine: OM353.971, 5.7L, Recorded application: Make: Mercedes Heavy Duty - Europe · Model: 1613 · Year: 1979-1984 · Engine: OM353.944, 5.7L and 72 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 51.26101-7145?

Formatting aliases for the same number: 51-26101-7145.

How do I confirm 51.26101-7145 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.

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