Excavator Alternators

0124555005 24V 70A Alternator for Case 521D, 521E and 621D

Q: What numbers are documented for 0124555005?

Primary Part Number: 0124555005. Independent Catalog Number: 12591N. Cataloged Manufacturer Family: BOSCH. Industry Catalog Number: 12591. Cataloged Replacement-Reference Family: Bosch 0 124 555 005, Cummins 4892318, Iveco 4892318, Mahle MG 812, Marelli 063535550050, Prestolite 860810, 860810GB. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 0124555005 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.

0124555005 24V 70A Alternator for Case 521D, 521E and 621D, OEM/reference 0124555005, Alternator, product view 1

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OEM / reference0124555005

SpecificationAlternator

Catalog ID89783485

0124555005 is an exact product reference in the reviewed official electrical catalog. The catalog specifies 24V, 70A, CW, IR/IF for selected Case 521D, 521E, 621D applications. Compare the complete reference, electrical label, mounting, terminals, drive or pulley and the retained EexcavaStart product photographs with the original unit before ordering.

Product Type: Alternator
Voltage: 24 V
Rated Output: 70 A
Rotation: CW
Design Family: IR/IF
Pulley Class: S8
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

Relationship	Reference family	Number
Primary Part Number	Exact reviewed reference	0124555005
Independent Catalog Number	Catalog cross-reference number; not an OEM number	12591N
Cataloged Manufacturer Family	Manufacturer family stated by the official record	BOSCH
Industry Catalog Number	Independent cross-reference only	12591
Cataloged Replacement-Reference Family	Official grouped replacement family; confirm manufacturer context and suffix before substitution	Bosch 0 124 555 005, Cummins 4892318, Iveco 4892318, Mahle MG 812, Marelli 063535550050, Prestolite 860810, 860810GB

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

0124555005

Manufacturer number

BOSCH

Other documented relationship

12591N
12591
Bosch 0 124 555 005, Cummins 4892318, Iveco 4892318, Mahle MG 812, Marelli 063535550050, Prestolite 860810, 860810GB

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: 89783485
Photo views: 2

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

2 model references

Case published applications: 521D (2003-2008) — Case 4.5L / 521E (2008-2014) — Case 4.5L / 621D (2003-2014) — Case 668TA/M2 / 721D (2003-2006) — Iveco 6.8L
Fitment limitation: Confirm the complete part number, electrical rating, rotation, drive or pulley, mounting, terminals and equipment serial range before ordering.

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 0124555005

Which machines use 0124555005?

Recorded compatible model references include Case published applications: 521D (2003-2008) — Case 4.5L / 521E (2008-2014) — Case 4.5L / 621D (2003-2014) — Case 668TA/M2 / 721D (2003-2006) — Iveco 6.8L, Fitment limitation: Confirm the complete part number, electrical rating, rotation, drive or pulley, mounting, terminals and equipment serial range before ordering.. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 0124555005?

Manufacturer number: BOSCH.

How do I confirm 0124555005 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.

Continue comparing verified references from the same system.

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