Delco Style Alternator, Diesel Only, Cat Caterpillar, 24 or 32 volt, 75 or 100 amp, 20079, 20085


Alternator, Delco Style, 24 Volt, 100 Amp, 20079
SKU: 77028
Mfg# 20079
UNIT: Each
Description: AlternatorRated Output: 100 ampVoltage: 24 volt
Ships from Manufacturer (Typically Ships Out in 1-2 Business Days)


Delco Style Alternator, Diesel Only, Cat Caterpillar, 20079 - 24 volt, 100 amp, 20085 - 32 volt, 75 amp.

  • For heavy duty Caterpillar and marine diesel engines
  • Internally regulated
  • Self-exciting
  • Requires only one battery wire
  • Supplied with fan
  • Pulley not included
  • Can be supplied with an insulated ground. Please contact us to specify

For Diesel Engine Applications Only, NOT ignition protected, NOT SAE J1171 compliant, NOT for gasoline engine use.
(SAE J1171 compliance specifically deals with external ignition protection of marine electrical devices in gasoline powered marine engines.)



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Sterndrive Engineering / API Warranty


  • Restocking charge will apply at a minimum of 10% for all product returned.
  • All Returns must be returned within 30 days of receipt of the items.
  • Returns allowed for uninstalled unused product only
  • Some products are non-returnable, please contact us for further details.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine for Manufacture Defects, Returns and help with Warranties.