Alternators

51.26101-7145 12V Alternator for Komatsu D30E

Q: What numbers are documented for 51.26101-7145?

Primary Part Number: 51.26101-7145. Catalog Cross-Reference - Verify Configuration: 005 154 52 02 80. Catalog Cross-Reference - Verify Configuration: 005-154-52-02. Catalog Cross-Reference - Verify Configuration: 006 154 24 02 80. Catalog Cross-Reference - Verify Configuration: 006-154-24-02. Catalog Cross-Reference - Verify Configuration: 111141. Catalog Cross-Reference - Verify Configuration: 12824. Catalog Cross-Reference - Verify Configuration: 20101061. Catalog Cross-Reference - Verify Configuration: 210-488. Catalog Cross-Reference - Verify Configuration: 2940793. Catalog Cross-Reference - Verify Configuration: 436425. Same-number Formatting Variant: 51-26101-7145. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 51.26101-7145 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

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

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.

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 Part Number	Source catalog	51.26101-7145
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	005 154 52 02 80
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	005-154-52-02
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	006 154 24 02 80
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	006-154-24-02
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	111141
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	12824
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	20101061
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	210-488
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	2940793
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	436425
Same-number Formatting Variant	Source catalog	51-26101-7145
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	523158
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	555.021.055
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	90-20-3563
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	A0020
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	A0051545202
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	A005154520280
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	A0061542402
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	A006154240280
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAK1130
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AVF-12824
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	F032111141
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	IA 0097
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	L 30 660
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	MG 125
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	SA707

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

Cross-reference (fitment check required)

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. 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

Category: 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?

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: 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.