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Excavator Alternators

66021491 24V 55A Alternator for Perkins 4000 Series and JCB Equipment

EexcavaStart brand illustration; exact product photo pending for reference 66021491

Brand illustration · Exact product photo available on request.

OEM / reference66021491
SpecificationAlternator
Catalog ID53694597

This product record is withheld from indexing until exact original product media is bound to the catalog entry. Reference data remains under review . The displayed EexcavaStart package is a catalog illustration, not a photograph of the supplied product.

Product Type
Alternator
Product Brand
EexcavaStart
Voltage
24V 55A
Model Number
66021491 66021496
Engine Model
Prestolite
Voltage
24 volt
Amperage
55 amp
Size A
102 mm
Size B
75 mm
Grooves/pulley
8 pcs
Terminal type
L(Bolt)
Vacuum Pump
no
Condition
New replacement part
Gallery Representation
EexcavaStart neutral packaging illustration; exact product photo available on request
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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 catalog66021491
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021496
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021490
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021493
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021497
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021616
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021626
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration859444
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration108026
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration108275
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration3332215
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration3350619
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration3353588
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration3631678
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration3631678RX
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration3634778
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration4086686
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration4094998
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration4101372
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration4381503
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration4381504
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration859673PB
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationDRA3594
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration71434900
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration71434900R
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationALL4191GB
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationALL4191LK
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationALL4191LP
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationALL4191NW
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationALP4191LK
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationALP5391GB
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationALL4191WA
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationALP4191WA
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationCV70291
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationOD19582
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationOD20745
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationOD20798
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationOD20800
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationOE52770
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationOE5277D
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021544
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021617
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021617A
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021626A
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021627
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021627A
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021638
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021638A
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration66021639
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration859617
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration859617PB
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configurationLNA40247
Catalog Cross-Reference - Verify ConfigurationCatalog family; compare mounting, output and configuration301N21068Z

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
  • 66021491
Other documented relationship
  • 66021496
  • 66021490
  • 66021493
  • 66021497
  • 66021616
  • 66021626
  • 859444
  • 108026
  • 108275
  • 3332215
  • 3350619
  • 3353588
  • 3631678
  • 3631678RX
  • 3634778
  • 4086686
  • 4094998
  • 4101372
  • 4381503
  • 4381504
  • 859673PB
  • DRA3594
  • 71434900
  • 71434900R
  • ALL4191GB
  • ALL4191LK
  • ALL4191LP
  • ALL4191NW
  • ALP4191LK
  • ALP5391GB
  • ALL4191WA
  • ALP4191WA
  • CV70291
  • OD19582
  • OD20745
  • OD20798
  • OD20800
  • OE52770
  • OE5277D
  • 66021544
  • 66021617
  • 66021617A
  • 66021626A
  • 66021627
  • 66021627A
  • 66021638
  • 66021638A
  • 66021639
  • 859617
  • 859617PB
  • LNA40247
  • 301N21068Z

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
53694597
Photo views
1

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

1 model reference

  • Recorded application: Perkins engines 4000-series, Dorman Diesel,JCB Diesel,FG Wilson Diesel,ERF Diesel.

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 66021491

Which machines use 66021491?

Recorded compatible model references include Recorded application: Perkins engines 4000-series, Dorman Diesel,JCB Diesel,FG Wilson Diesel,ERF Diesel.. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 66021491?

No alternate number is listed for 66021491. Send the original nameplate for an alternate-number check.

How do I confirm 66021491 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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