Excavator Alternators

3986429 24V 80A Alternator for Volvo FM10 FH12 FM12

Q: What numbers are documented for 3986429?

Primary Equipment Part Number: 3986429. Same-number Formatting Variant: 3986429. Equipment Manufacturer Reference: 8156817. Catalog Replacement Family - Verify Configuration: 1096757 / 1096758 / 3986428. Local Package Model: AS042001A. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 3986429 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.

3986429 24V 80A Alternator for Volvo FM10 FH12 FM12, OEM/reference 3986429, 24V 80A Heavy-Duty Alternator, product view 1

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OEM / reference3986429

Specification24V 80A Heavy-Duty Alternator

Catalog ID63597073

Heavy-duty alternator identified by Volvo equipment number 3986429. The exact owned package label records FM10 and 24V/80A; multiple Volvo truck catalogs also support 24V/80A applications across FM10, FH12, FM12 and related F/FL/N/NL/FH/FM/NH families. Confirm the complete number, alternator manufacturer type, pulley, mounts, terminals and truck serial range because Bosch- and Mitsubishi-type configurations in this application family are not automatically interchangeable.

Product Type: Heavy-Duty Alternator
Product Brand: EexcavaStart
Rated Voltage: 24V
Rated Output Current: 80A
Application Marking: FM10
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Exact Volvo equipment reference	3986429
Same-number Formatting Variant	Punctuation-normalized search alias	3986429
Equipment Manufacturer Reference	Published Volvo replacement reference	8156817
Catalog Replacement Family - Verify Configuration	Published Volvo truck catalog family	1096757 / 1096758 / 3986428
Local Package Model	Exact owned package marking	AS042001A

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

3986429

Manufacturer number

8156817

Formatting alias

3986429

Other documented relationship

1096757 / 1096758 / 3986428
AS042001A

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

Product summary

24V 80A Heavy-Duty Alternator

Category: Excavator Alternators
Catalog ID: 63597073
Photo views: 5

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

Vehicle model: Volvo FM10
Vehicle family: Volvo FH12 / FM12 / NH12
Vehicle family: Volvo F / FL / N / NL 10, 12 and 16 families
Fitment limitation: Confirm 3986429, 24V, 80A, manufacturer type, pulley, mounts, terminals and vehicle 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 3986429

Which machines use 3986429?

Recorded compatible model references include Vehicle model: Volvo FM10, Vehicle family: Volvo FH12 / FM12 / NH12, Vehicle family: Volvo F / FL / N / NL 10, 12 and 16 families, Fitment limitation: Confirm 3986429, 24V, 80A, manufacturer type, pulley, mounts, terminals and vehicle serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 3986429?

Manufacturer number: 8156817. Formatting aliases for the same number: 3986429.

How do I confirm 3986429 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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