EexcavaStart 225-3144 12V 100A Alternator for Caterpillar 414E 416EST 422E
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OEM / reference225-3144
Specification12V 100A Alternator
Catalog ID
12V 100A Alternator reference 225-3144. Compare the complete part number, connector layout, mounting points and original unit before ordering; machine serial range can affect fitment.
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
CATERPILLAR
225-3144
Search Format Alias
Formatting variant only
2253144
Interchange Reference
CATERPILLAR
383-2556
Interchange Reference
DENSO
102211-8120
Interchange Reference
DENSO
102211-8121
Interchange Reference
LESTER
12727
Interchange Reference
MARELLI
63377463
Interchange Reference
MARELLI
MAN7463
Interchange Reference
PERKINS
2871A304
Interchange Reference
ARROWHEAD
ALU0035
Interchange Reference
ARROWHEAD
400-41008
Interchange Reference
CATERPILLAR
225-3145
Interchange Reference
CATERPILLAR
346-9825
Interchange Reference
DENSO
102211-8130
Interchange Reference
J&N Electrical Products
400-41008
Interchange Reference
J&N Electrical Products
400-41012
Interchange Reference
JCB
714/40155
Interchange Reference
LESTER
12739
Interchange Reference
MARELLI
63377464
Interchange Reference
MARELLI
MAN7464
Interchange Reference
PERKINS
2871A305
Interchange Reference
WAI
12739N
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
225-3144
Formatting alias
2253144
Direct interchange
383-2556
102211-8120
102211-8121
12727
63377463
MAN7463
2871A304
ALU0035
400-41008
225-3145
346-9825
102211-8130
400-41012
714/40155
12739
63377464
MAN7464
2871A305
12739N
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
12V 100A Alternator
Category
Excavator Alternators
Catalog ID
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
62 model references
Caterpillar 414E: Equipment type: Loader
Caterpillar 416EST: Equipment type: Loader
Caterpillar 422E: Equipment type: Loader
Caterpillar C4.4: Equipment type: Loader
Caterpillar C6.6: Equipment type: Loader
Fitment limitation: Confirm the original part number, electrical rating, pinion or pulley, terminals, mounting geometry and equipment serial range before ordering
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 225-3144
Which machines use 225-3144?
Recorded compatible model references include Caterpillar 414E: Equipment type: Loader, Caterpillar 416EST: Equipment type: Loader, Caterpillar 422E: Equipment type: Loader, Caterpillar C4.4: Equipment type: Loader, Caterpillar C6.6: Equipment type: Loader, Fitment limitation: Confirm the original part number, electrical rating, pinion or pulley, terminals, mounting geometry and equipment serial range before ordering, Caterpillar 3054C: Exact application record, Caterpillar 3054E: Exact application record and 54 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 225-3144?
Documented direct interchanges: 383-2556, 102211-8120, 102211-8121, 12727, 63377463, MAN7463, 2871A304, ALU0035, 400-41008, 225-3145. Formatting aliases for the same number: 2253144.
How do I confirm 225-3144 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.
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