Excavator Alternators

11203375 14V 80A Alternator for Challenger MT345B Massey Ferguson 3625

Q: What numbers are documented for 11203375?

Primary Manufacturer Part Number: 11203375. Formatted Alias: 11.203.375. Manufacturer Model: AAK4336. Aftermarket Reference: IA1227. Aftermarket Reference: MG161. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 11203375 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.

11203375 14V 80A Alternator for Challenger MT345B Massey Ferguson 3625, OEM/reference 11203375, 14V 80A Alternator, product view 1

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OEM / reference11203375

Specification14V 80A Alternator

Catalog ID74650473

11203375 is a Letrika/Iskra 14V, 80A clockwise alternator, model AAK4336 / IA1227, for Challenger MT345B and Massey Ferguson 3625 tractor applications. The manufacturer application bulletin confirms the exact number and electrical rating. Confirm the label, 70 mm single-groove pulley, dust cover, mounting centers, regulator terminals, engine and tractor serial before ordering.

Product Type: Alternator
Regulated Voltage: 14 V
Rated Current: 80 A
Rotation: Clockwise
Pulley: 70 mm single groove; verify original
Mounting: Two holes, approximately 82 mm centers in product catalog

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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 Manufacturer Part Number	Letrika/Iskra alternator reference	11203375
Formatted Alias	Letrika dotted number	11.203.375
Manufacturer Model	Letrika/Iskra model	AAK4336
Aftermarket Reference	Letrika aftermarket reference	IA1227
Aftermarket Reference	Mahle reference	MG161

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

11203375

Manufacturer number

AAK4336

Formatting alias

11.203.375

Other documented relationship

IA1227
MG161

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

Product summary

14V 80A Alternator

Category: Excavator Alternators
Catalog ID: 74650473
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

3 model references

AGCO Challenger: MT345B with Sisu 3.3L engine
Massey Ferguson: MF 3625 V/S/F/GE variants
Fitment limitation: Confirm label, pulley, dust cover, mounts, terminals, engine 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 11203375

Which machines use 11203375?

Recorded compatible model references include AGCO Challenger: MT345B with Sisu 3.3L engine, Massey Ferguson: MF 3625 V/S/F/GE variants, Fitment limitation: Confirm label, pulley, dust cover, mounts, terminals, engine and serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 11203375?

Manufacturer number: AAK4336. Formatting aliases for the same number: 11.203.375.

How do I confirm 11203375 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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