Excavator Alternators

15321-64010 12V 35A Alternator for Kubota B-Series and L-Series

Name: 15321-64010 12V 35A Alternator for Kubota B-Series and L-Series
Brand: EexcavaStart
SKU: 15321-64010

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OEM / reference15321-64010

SpecificationAlternator

Catalog ID65375066

15321-64010 is a Kubota alternator reference in the official WAI 12068N replacement family. WAI specifies a new 12-volt, 35-amp, clockwise Denso ER/EF alternator with a single-groove 70 mm pulley; the record notes that it can replace selected 25-amp units. Published applications include Kubota B5100, B6100, B7100, B7200 and multiple L-series tractors, plus selected compact equipment using Kubota engines. Confirm the complete number, 12V/35A rating, pulley, terminals, mounting ears and equipment serial range before ordering.

Product Type: Alternator
Voltage: 12V
Rated Output: 35A
Rotation: Clockwise (CW)
Design Family: Denso ER/EF
Pulley: Single groove, 70 mm outside diameter
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 Kubota Part Number	Official WAI replacement-reference entry	15321-64010
Kubota Replacement Reference Family	Cataloged replacement references	15321-64012 / 15411-64010 / 15411-64011 / 15471-64010 / 15471-64011
Denso Manufacturer Reference Family	Cataloged manufacturer references	021000-5670 / 021000-6840 / 021000-8620 / 121000-0980 / 121000-0981
Bobcat Equipment Reference Family	Cataloged equipment references	3974981 / 6655541
Aftermarket Catalog Number	Official WAI product record	WAI 12068N

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

15321-64010

Manufacturer number

021000-5670 / 021000-6840 / 021000-8620 / 121000-0980 / 121000-0981

Other documented relationship

15321-64012 / 15411-64010 / 15411-64011 / 15471-64010 / 15471-64011
3974981 / 6655541
WAI 12068N

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: 65375066
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

4 model references

Kubota B-Series Examples: B5100 / B6100 / B7100 / B7200
Kubota L-Series Examples: L175 / L185 / L235 / L245 / L285 / L295 / L305 and related cataloged models
Other Published Equipment: Selected Bobcat, Case, Jacobsen, Thomas and compact equipment using Kubota engines
Fitment Limitation: Confirm 15321-64010, 12V/35A label, single-groove pulley, terminals, mounting and serial range

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 15321-64010

Which machines use 15321-64010?

Recorded compatible model references include Kubota B-Series Examples: B5100 / B6100 / B7100 / B7200, Kubota L-Series Examples: L175 / L185 / L235 / L245 / L285 / L295 / L305 and related cataloged models, Other Published Equipment: Selected Bobcat, Case, Jacobsen, Thomas and compact equipment using Kubota engines, Fitment Limitation: Confirm 15321-64010, 12V/35A label, single-groove pulley, terminals, mounting and serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 15321-64010?

Manufacturer number: 021000-5670 / 021000-6840 / 021000-8620 / 121000-0980 / 121000-0981.

How do I confirm 15321-64010 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.