621-Series, 100 Amp, Single Foot, Alternator Kit
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BALMAR621-Series, 100 Amp, Single Foot, Alternator Kit


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Add extra coverage from the date of purchase beyond the manufacturer’s warranty.  View Details

Model # 19453737 | Mfg # 621VUPMC100J10UPC # 676205500722


621-Series, 100 Amp, Single Foot, Alternator Kit

Name Value
Dimensions 5.4" x 7.5" x 7.1"
ISO Approved J1171
USCG Title 33
Mount Type Single Foot 1-2"
Outputs One Output
Rated Output Power - 2000 RPM Hot 70 Amps
Rated Output Power - 6000 RPM Hot 93 Amps
Type Alternator/Regulator
Pulley Groove Type J10 Multigroove
Pulley Outside Diameter 2.4 Inches
Voltage 12 Volts DC
Warranty Details Two Years

Product Overview

The BALMAR 621-Series, 100 Amp, Single Foot, Dual Vee Pulley, Alternator Kit includes a Balmar 621-Series 100A Alternator, Max Charge 614 Regulator and Temperature Sensors for alternator and battery. 

Balmar 621-Series Alternators provide excellent power at low RPM and ruggedized construction for marine use.  The Single Foot 1-2" mount is appropriate for many Volvo engines. J10 AltMount serpentine pulley.


  • 621-Series delivers over 70A at idle speeds
  • Works with either Balmar ARS-5 or MC-614 Regulator
  • Patented Smart Ready® Internal Regulator provides "come-home" capability
  • Powder Coat Finish for salt water environment protection
  • Upgraded bearings, brushes and diodes for longer life
  • Pulley-specific part numbers for easy installation


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