Menu
Search
888.687.0539

Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

Search by Part Number Close
Shopping cart Close

You have no items in your shopping cart.

Menu Close

Isuzu 4JG2 Alternators

Alternators for Isuzu 4JG2 Diesel Engines

As an Authorized Isuzu Dealer, we carry a wide selection of genuine alternators for Isuzu 4JG2 diesel engines.

If you need any help finding a part, please use our quote request form or call us at 888.687.0539: our knowledgeable inside sales staff will promptly assist you.

IZ-5812003470

ALTERNATOR - 4BD1 / 4JA1 / 4JB1 / 4JC1 / 4JG1 (12V)

$4,356.45

IZ-8943388471

ALTERNATOR - 4BD1 / 4JA1 / 4JB1 / 4JC1 / 4JG1 / 4JG2

$781.31

IZ-8944237560

ALTERNATOR - 4BD1 / 4BG1 (12V)

$4,029.47

IZ-8970232631

ALTERNATOR - 4JA1 / 4JB1 / 4JC1 / 4JG1 / 4JG2 (24V)

$1,149.49

IZ-8971433290

ALTERNATOR - 4BG1 / 4JB1 / 4JG1 / 4JG2

$1,759.09

IZ-8971822892

GENERATOR - 4JB1 / 4JG1

$2,321.97

IZ-8972283181

ALTERNATOR - 4JB1 / 4JG1 / 4JG2 / 4LE1 / 4LE2

$2,652.51

IZ-8972587690

ALTERNATOR - 4JB1 / 4JG1 / 4JG2 / 4LE1 / 4LE2

$5,520.64

IZ-8972631240

ALTERNATOR - 4JG1 / 4JG2 (1993 AND NEWER)

$2,568.25

888.687.0539 (U.S.)|225.706.4858 (Int.)

Monday-Friday 7am-5pm CST
8784 S. Choctaw Dr. Baton Rouge, LA 70815
company information
Resources
Returns

Payment options

Complete your payment with a Visa card Complete your payment with a Master card Complete your payment with an American Express card Complete your payment using PayPal
Diesel Parts Direct BBB Business Review

Caterpillar® and all of the Caterpillar® engine models listed on this website are registered trademarks of Caterpillar, Inc. Cummins® and all of the Cummins® engine models listed on this website are registered trademarks of Cummins. Detroit Diesel® and all of the Detroit Diesel® engine models listed on this website are registered trademarks of Daimler AG. John Deere® and all of the John Deere® engine models listed on this website are registered trademarks of John Deere. Allison Transmission® and all of their transmission models listed on this website are registered trademarks of Allison Transmission®. Diesel Parts Direct is not an authorized dealer for Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission. None of the parts beginning with "DS" or "R" are genuine Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission items.

Copyright © 2025 Diesel Parts Direct. All rights reserved.
CID: 86717553