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12 Volt Alternators for Cummins Engines 135 Amp and Above

Diesel Parts Direct carries a great selection of new and remanufactured 12 Volt alternators ranging from 135 to 200 Amp for Cummins diesel engines, including 21SI, 22SI, 24SI, 33SI, 34SI, and E8 models.

If you do not see the part you are looking for, please use our quote request form or call us at 888.687.0539: our knowledgeable inside sales staff will gladly assist you.

DS-3099841

ALTERNATOR - 34SI (12V, 135A)

Also Available in Remanufactured

$752.44

DS-3604668

ALTERNATOR - 21SI (12V, 145A)

Also Available in Remanufactured

$353.55

DS-3675160

ALTERNATOR (12V, 160A, INTERNAL REGULATOR, EXTERNAL FAN)

Also Available in Remanufactured

$572.69

DS-3675161

ALTERNATOR (12V, 160A, INTERNAL REGULATOR, EXTERNAL FAN)

Also Available in Remanufactured

$572.69

DS-3675219

ALTERNATOR - 34SI (12V, 135A)

Also Available in Remanufactured

$752.44

DS-3675221

ALTERNATOR - 34SI (12V, 135A)

Also Available in Remanufactured

$780.81

DS-3675228

ALTERNATOR - 22SI (12V, 145A)

Also Available in Remanufactured

$314.44

DS-3675228-NW

ALTERNATOR - 22SI (12V, 145A)

Also Available in Remanufactured

$314.44

DS-3675229

ALTERNATOR - 22SI (12V, 145A)

Also Available in Remanufactured

$314.44

DS-3675233

ALTERNATOR - 33SI (12V, 135A)

Also Available in Remanufactured

$685.46

DS-3675233-NW

ALTERNATOR - 33SI (12V, 135A)

Also Available in Remanufactured

$647.38

DS-3675234

ALTERNATOR - 34SI (12V, 135A, INTERNAL REGULATOR, EXTERNAL FAN)

Also Available in Remanufactured

$751.80

DS-3675234-NW

ALTERNATOR - 34SI (12V, 135A, INTERNAL REGULATOR, EXTERNAL FAN)

Also Available in Remanufactured

$751.80

DS-3675528

ALTERNATOR - 22SI (12V, 145A)

Also Available in Remanufactured

$314.44

DS-3675528-NW

ALTERNATOR - 22SI (12V, 145A)

Also Available in Remanufactured

$314.44

DS-3679712

ALTERNATOR - 22SI (12V, 145A)

Also Available in Remanufactured

$328.87

DS-3680140

ALTERNATOR - 33SI (12V, 135A)

Also Available in Remanufactured

$685.46

DS-3920616

ALTERNATOR - 21SI (12V, 160A, INTERNAL REGULATOR, EXTERNAL FAN)

Also Available in Remanufactured

$399.51

DS-3935528

ALTERNATOR - 22SI (12V, 145A)

Also Available in Remanufactured

$314.44

DS-3935529

ALTERNATOR - 22SI (12V, 145A)

Also Available in Remanufactured

$314.44

DS-3972734

ALTERNATOR - 24SI (12V, 160A)

Also Available in Remanufactured

$528.92

DS-4936878

ALTERNATOR - 24SI (12V, 160A)

Also Available in Remanufactured

$560.03

DS-5264312

ALTERNATOR - E8 (12V, 200A)

$544.80

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

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

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