Excavator Alternators

21801402 01183604 24V 80A Alternator for Volvo Penta TAD720 Engines

Q: What numbers are documented for 21801402?

Primary Volvo Penta Part Number: 21801402. Deutz OE Number: 01183604. Mahle / Letrika Manufacturer Number: 11.204.280. Mahle Manufacturer Number: MG473. Manufacturer Cross-reference: IA1031. Volvo Penta Former / Related Number: 3803961. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 21801402 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.

21801402 01183604 24V 80A Alternator for Volvo Penta TAD720 Engines, OEM/reference 21801402, Alternator, product view 1

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OEM / reference21801402

SpecificationAlternator

Catalog ID53244490

24V-system 80A alternator identified by Volvo Penta number 21801402 and Deutz number 01183604 for TAD720-family engines. Independent catalogs support Mahle/Letrika 11.204.280 and MG473 in the same 80A family, clockwise rotation and two mounting holes. Six exact owned product photographs from the 21801402 source folder are retained. The old page incorrectly published 01183064 and 120A; both values are corrected and recorded as rejected legacy claims.

Product Type: Alternator
Vehicle Electrical System: 24V DC
Catalog Charging Voltage: 28V
Rated Output: 80A
Rotation: Clockwise
Mounting Holes: 2 cataloged
Pulley: Supplied separately in reviewed catalog
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 Volvo Penta Part Number	TAD720-family alternator	21801402
Deutz OE Number	Catalog-supported 80A family	01183604
Mahle / Letrika Manufacturer Number	Catalog-supported 80A family	11.204.280
Mahle Manufacturer Number	Catalog-supported 80A family	MG473
Manufacturer Cross-reference	Catalog-supported 80A family	IA1031
Volvo Penta Former / Related Number	Catalog-supported reference	3803961

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

21801402

Manufacturer number

11.204.280
MG473
IA1031

Related assembly

3803961

Other documented relationship

01183604

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: 53244490
Photo views: 6

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

3 model references

Primary engine family: Volvo Penta TAD720 series
Cataloged related engine families: TAD420 / TAD520 / TAD620 / TAD650 / TAD750 / TAD760; confirm exact build
Fitment limitation: Confirm 21801402 or 01183604, 80A output, mount, pulley, terminals and engine serial before shipment

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 21801402

Which machines use 21801402?

Recorded compatible model references include Primary engine family: Volvo Penta TAD720 series, Cataloged related engine families: TAD420 / TAD520 / TAD620 / TAD650 / TAD750 / TAD760; confirm exact build, Fitment limitation: Confirm 21801402 or 01183604, 80A output, mount, pulley, terminals and engine serial before shipment. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 21801402?

Manufacturer number: 11.204.280, MG473, IA1031. Related assembly numbers (not direct interchanges): 3803961.

How do I confirm 21801402 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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