Alternators

John Deere RE540412 Alternator for 4045AFM85 4045DFM50 4045DFM70

Q: What numbers are documented for RE540412?

Primary Part Number: RE540412. Cross-reference number - verify configuration: IA1213. Cross-reference number - verify configuration: MG321. Cross-reference number - verify configuration: 0191-2361. Cross-reference number - verify configuration: 525689. Cross-reference number - verify configuration: RE525689. Cross-reference number - verify configuration: RE540412. Cross-reference number - verify configuration: 12822. Cross-reference number - verify configuration: 11.203.350. Cross-reference number - verify configuration: 11.203.368. Cross-reference number - verify configuration: 11.203.462. Cross-reference number - verify configuration: AAK4330. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm RE540412 before ordering?

Match the complete part number, compare the connector or mounting arrangement with your original unit and the recorded specifications, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.

OEM / referenceRE540412

SpecificationAlternator

Catalog ID91001091

Product Type: Alternator
Supply Brand: EexcavaStart
Equipment Brand: John Deere
Catalog Classification: Alternator
Application Records: 20
Condition: New replacement part
Gallery Representation: EexcavaStart neutral packaging illustration; exact product photo available on request
Description: Alternator
FAMILY: Letrika/MAHLE AAK
VOLT: 12
AMPS: 75
MOUNT HOLE ID 1: M8x1.25
MOUNT HOLE 1 TYPE: Threaded
MOUNT HOLE 2 TYPE: Unthreaded
FAN LOCATION: External
REGULATOR LOCATION: Internal
TERMINAL ID 2: B+
TERMINAL 2 SIZE: M8x1.25
TERMINAL ID 3: D+
TERMINAL 3 SIZE: M5x0.8
TERMINAL ID 4: W
TERMINAL 4 SIZE: M5x0.8
POLARITY: Insulated
NUMBER OF GROOVES: 8
PULLEY TYPE: Solid

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Replacement part reference	RE540412
Cross-reference (fitment check required)	ARROWHEAD	IA1213
Cross-reference (fitment check required)	ARROWHEAD	MG321
Cross-reference (fitment check required)	CUMMINS	0191-2361
Cross-reference (fitment check required)	JOHN DEERE	525689
Cross-reference (fitment check required)	JOHN DEERE	RE525689
Cross-reference (fitment check required)	JOHN DEERE	RE540412
Cross-reference (fitment check required)	LESTER	12822
Cross-reference (fitment check required)	LETRIKA/ISKRA	11.203.350
Cross-reference (fitment check required)	LETRIKA/ISKRA	11.203.368
Cross-reference (fitment check required)	LETRIKA/ISKRA	11.203.462
Cross-reference (fitment check required)	LETRIKA/ISKRA	AAK4330
Cross-reference (fitment check required)	LETRIKA/ISKRA	AAK4334
Cross-reference (fitment check required)	LETRIKA/ISKRA	AAK4363
Cross-reference (fitment check required)	LETRIKA/ISKRA	IA 1213
Cross-reference (fitment check required)	MAHLE	11.203.350
Cross-reference (fitment check required)	MAHLE	11.203.368
Cross-reference (fitment check required)	MAHLE	11.203.462
Cross-reference (fitment check required)	MAHLE	11.203.905
Cross-reference (fitment check required)	MAHLE	AAK1888
Cross-reference (fitment check required)	MAHLE	AAK4330
Cross-reference (fitment check required)	MAHLE	AAK4334
Cross-reference (fitment check required)	MAHLE	AAK4363
Cross-reference (fitment check required)	MAHLE	IA1213
Cross-reference (fitment check required)	MAHLE	MG321

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use photos of your original unit and the checklist before ordering.

Part identification

Reference numbers

Primary number

RE540412

Cross-reference (fitment check required)

IA1213
MG321
0191-2361
525689
RE525689
RE540412
12822
11.203.350
11.203.368
11.203.462
AAK4330
AAK4334
AAK4363
IA 1213
11.203.905
AAK1888

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

Alternator

Category: Alternators
Catalog ID: 91001091
Illustration 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

2 model references

Engine models 1: 4045AFM85 / 4045DFM50 / 4045DFM70 / 4045SFM85 / 4045TFM50 / 4045TFM75 / 4045TFM85 / 6068 / 6068AFM75 / 6068AFM85
Engine models 2: 6068HFG82 / 6068HFU82 / 6068SFM50 / 6068SFM75 / 6068SFM85 / 6068TFM50 / 6068TFM75 / 6068TFM76

Fitment / evidence notes

Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting and machine serial range 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 RE540412

Which machines use RE540412?

Recorded compatible model references include Engine models 1: 4045AFM85 / 4045DFM50 / 4045DFM70 / 4045SFM85 / 4045TFM50 / 4045TFM75 / 4045TFM85 / 6068 / 6068AFM75 / 6068AFM85, Engine models 2: 6068HFG82 / 6068HFU82 / 6068SFM50 / 6068SFM75 / 6068SFM85 / 6068TFM50 / 6068TFM75 / 6068TFM76. Recorded fitment/evidence notes: Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting and machine serial range before shipment. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for RE540412?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.

How do I confirm RE540412 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.