CAT 312D S4K Excavator Alternator 24V 40A A3TN5399 ME088887

Name: CAT 312D S4K Excavator Alternator 24V 40A A3TN5399 ME088887
Brand: EexcavaStart
SKU: 53633201

OEM / referenceA3TN5399 ME088887 · CAT 312D S4K

Specification24V 40A

Catalog ID53633201

24V 40A reference A3TN5399 ME088887. Compatibility references include CAT 312D, CAT S4K. Compare the part number, connector layout, mounting points and the original unit before ordering; machine serial range can affect fitment.

OEM: A3TN5399 ME088887
Feature: Alternator
VDC: 24V 40A
Engine Model: CAT 312D S4K

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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

A3TN5399
ME088887
A3TN5399 ME088887

Search with or without hyphens. Match the complete number on the original part.

Product summary

24V 40A

Category: Alternators
Catalog ID: 53633201
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

2 model references

CAT 312D
CAT S4K

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

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