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12 Volt Alternators for Caterpillar Engines 60 Amp and Under

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Diesel Parts Direct carries a great selection of new and remanufactured 12 Volt alternators ranging from 40 to 60 Amp for Caterpillar diesel engines, including 25SI, 30SI, and A127 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.


ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $501.79
    • $501.79
    Qty: 

    ALTERNATOR (12V, 40A, INTERNAL REGULATOR, EXTERNAL FAN)

    Also Available in Remanufactured

  • $392.71
    • $392.71
    Qty: 

    ALTERNATOR (12V, 40A, INTERNAL REGULATOR, EXTERNAL FAN)

    Also Available in Remanufactured

  • $392.71
    • $392.71
    Qty: 

    ALTERNATOR (12V, 40A, INTERNAL REGULATOR, EXTERNAL FAN)

    Also Available in Remanufactured

  • $392.71
    • $392.71
    Qty: 

    ALTERNATOR (12V, 40A, INTERNAL REGULATOR, EXTERNAL FAN)

    Also Available in Remanufactured

  • $392.71
    • $392.71
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $548.49
    • $548.49
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $548.49
    • $548.49
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $548.49
    • $548.49
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $548.49
    • $548.49
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $548.49
    • $548.49
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $548.49
    • $548.49
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $548.49
    • $548.49
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $548.49
    • $548.49
    Qty: 

    ALTERNATOR - A127 (12V, 55A)

    Also Available in Remanufactured

  • $192.00
    • $192.00
    Qty: 

    ALTERNATOR - A127 (12V, 55A)

    Also Available in Remanufactured

  • $192.00
    • $192.00
    Qty: 

    ALTERNATOR - A127 (12V, 55A)

    Also Available in Remanufactured

  • $192.00
    • $192.00
    Qty: 

    ALTERNATOR - A127 (12V, 55A)

    Also Available in Remanufactured

  • $192.00
    • $192.00
    Qty: 

    ALTERNATOR - A127 (12V, 55A)

    Also Available in Remanufactured

  • $192.00
    • $192.00
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $501.79
    • $501.79
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $501.79
    • $501.79
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $501.79
    • $501.79
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $501.79
    • $501.79
    Qty: 

    ALTERNATOR - 25SI (12V, 50A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $548.49
    • $548.49
    Qty: 

    ALTERNATOR - 30SI (12V, 60A, INTERNAL REGULATOR, EXTERNAL FAN)

  • $547.58
    • $547.58
    Qty: 
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