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Our office is closed on Friday March 29th.

Our office is closed on Friday March 29th.

Alternators for Detroit Diesel Engines

Diesel Parts Direct carries a great selection of remanufactured alternators for Detroit Diesel engines with the following specifications:

  • Voltage: 12V and 24V
  • Amperage: 60A to 270A
  • Fan: external
  • Regulator: internal

If you do not see the part you are looking for, please use our quote request form or call us at 877.480.2120: our knowledgeable inside sales staff will gladly assist you.


REMANUFACTURED ALTERNATOR - 21SI (12V, 100A)

Additional refundable core charge: $40.00 (See Details)

$134.91

REMANUFACTURED ALTERNATOR - 21SI (24V, 70A)

Additional refundable core charge: $0.00 (See Details)

$174.78

REMANUFACTURED ALTERNATOR - 21SI (12V, 130A)

Additional refundable core charge: $0.00 (See Details)

$144.42

REMANUFACTURED ALTERNATOR - 50DN (24V, 270A)

Additional refundable core charge: $0.00 (See Details)

$1,121.05

REMANUFACTURED ALTERNATOR - 26SI (12V, 85A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $0.00 (See Details)

$305.92

REMANUFACTURED ALTERNATOR - 21SI (12V, 145A)

Additional refundable core charge: $0.00 (See Details)

$144.42

REMANUFACTURED ALTERNATOR - 21SI (12V, 100A)

Additional refundable core charge: $0.00 (See Details)

$134.91

REMANUFACTURED ALTERNATOR - 21SI (12V, 130A)

Additional refundable core charge: $0.00 (See Details)

$148.20

REMANUFACTURED ALTERNATOR - 26SI (12V, 85A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $0.00 (See Details)

$305.92

REMANUFACTURED ALTERNATOR - 26SI (24V, 75A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $60.00 (See Details)

$321.11

REMANUFACTURED ALTERNATOR (12V, 105A)

Additional refundable core charge: $0.00 (See Details)

$218.50

REMANUFACTURED ALTERNATOR (12V, 105A)

Additional refundable core charge: $0.00 (See Details)

$218.50

REMANUFACTURED ALTERNATOR - 27SI (24V, 65A)

Additional refundable core charge: $0.00 (See Details)

$161.51

REMANUFACTURED ALTERNATOR - 33SI (12V, 110A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $90.00 (See Details)

$229.92

REMANUFACTURED ALTERNATOR - 33SI (12V, 135A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $90.00 (See Details)

$243.22

REMANUFACTURED ALTERNATOR - 34SI (12V, 110A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $0.00 (See Details)

$275.52

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

Additional refundable core charge: $80.00 (See Details)

$279.33

REMANUFACTURED ALTERNATOR - 22SI (12V, 145A)

Additional refundable core charge: $40.00 (See Details)

$180.51

REMANUFACTURED ALTERNATOR - 22SI (12V, 145A)

Additional refundable core charge: $40.00 (See Details)

$180.51

REMANUFACTURED ALTERNATOR - 22SI (12V, 145A)

Additional refundable core charge: $40.00 (See Details)

$138.72

REMANUFACTURED ALTERNATOR - 30SI (12V, 105A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $60.00 (See Details)

$245.14

REMANUFACTURED ALTERNATOR - 30SI (12V, 105A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $60.00 (See Details)

$313.51

REMANUFACTURED ALTERNATOR - 30SI (12V, 105A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $60.00 (See Details)

$490.22

REMANUFACTURED ALTERNATOR - 30SI (12V, 105A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $60.00 (See Details)

$245.14

REMANUFACTURED ALTERNATOR - 30SI (24V, 60A, INTERNAL REGULATOR, EXTERNAL FAN)

Additional refundable core charge: $60.00 (See Details)

$381.91

REMANUFACTURED ALTERNATOR - T1 (24V, 140A)

Additional refundable core charge: $130.00 (See Details)

$767.63