24V 45A Cummins Excavator Alternator 2871A502 3972731

Name: 24V 45A Cummins Excavator Alternator 2871A502 3972731
Brand: EexcavaStart
SKU: 53636048

OEM / reference2871A502 3972731 · Cummins 4BT3.9 QSB4.5

Specification24V 45A

Catalog ID53636048

24V 45A reference 2871A502 3972731. Compatibility references include Make: Cummins Fire Power · Model: CFP8E-F10 · Year: 2004-2006 · Engine: QSC 8.3L Eng, Make: Cummins Engines · Model: C Series · Year: 1986-1994 · Engine:, Make: Lull · Model: 644-E40 · Year: 1990-1994 · Engine. Compare the part number, connector layout, mounting points and the original unit before ordering; machine serial range can affect fitment.

OEM: 2871A502 3972731
Feature: Alternator
VDC: 24V 45A
Technical Specification: 45 Amp/24 Volt, CW, w/o Pulley
Design: IR/IF
Voltage: 24
Rated Output: 45
Pulley Class: w/o Pulley
Rotation: CW
Plug Clock: 03:00 Plug Clocking
Plug Code: 313
Ac Tap Y/N: N
Brushless: No
Dist Btwn Mtg Ft Mm H: 51
De Ft To Pulley 1st Grv Mm K: 11.6
De To Rotor Shft End Mm L: 46
Ground: N
Mtg Config Code: B
Polarity: B+
One Wire Capable: No
Cooling Method: Alternator cooling via internal fan

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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

8688N
101-11203
11SI
240-5503
2871A502
400-12329
706.502.045
706.502.045.030
8600210
8688
A-1878
ADR0451
AVF-8688
PIC
DELCO
LESTER
8724N
020205
1-3234-01DR
101-11202
19020205
240-6343
3972731
400-12346
4988275
646.502.045.030
646.502.045.038
8724
90-01-4534
A-1727
A1062S
ADR0423
ALT40032
AVF-8724
8730N
101-03202
240-902
400-12381
646.502.045
646.502.045.390
8600365
8730
A-1836
ADR0464
AVF-8730
REM8600365
8728N
021502
101-11201
113947
19020209
240-6348
400-12250
8728
90-01-4536
99786
99786GT
A-1724
ADR0434
ALT40235
AVF-8728
2871A502 3972731

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

Product summary

24V 45A

Category: Alternators
Catalog ID: 53636048
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

Make: Cummins Fire Power · Model: CFP8E-F10 · Year: 2004-2006 · Engine: QSC 8.3L Eng
Make: Cummins Engines · Model: C Series · Year: 1986-1994 · Engine:
Make: Lull · Model: 644-E40 · Year: 1990-1994 · Engine

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

Continue comparing recovered references from the same system.

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