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SKU: KBJNPUKC70 |  Mfg. Part: 621-VUP-MC-120-J10  | UPC: 676205751230  | 
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Balmar 621-VUP-MC-120-J10 120 AMP 12V Alternator Kit with Regulator & Sensor

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Condition: New

$951.05  $1,283.92
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Product Overview

Balmar 120 AMP 12V Alternator Kit with Regulator & Temperature Sensor

This complete kit includes the 621-120-J10 Alternator, MC-614 Regulator, temperature sensors, and all necessary mounting hardware.

The 621-120-J10 Alternator offers 120A of output at 12V, featuring a spindle mount (single foot) and a J10 AltMount serpentine pulley with isolated ground capability.

It is compatible with various mounting styles, including:
1" Motorola-Style Mounting, typically found in Westerbeke, Lehman, Hino, and Pathfinder engines.
2" Delco-Style Mounting, compatible with Volvo Penta (gas & diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power, and other GM-based engines.

This kit is designed to replace the previous 621-VUP-MC-120-SR-KIT model.

Note: This product cannot be returned to the point of purchase. For any issues or concerns, please contact the manufacturer directly.

Technical Specifications

  • 120 AMP output at 12V
  • Includes MC-614 regulator and temperature sensors
  • Spindle mount (single foot) design
  • Compatible with a variety of marine engines
  • J10 AltMount serpentine pulley included
  • Isolated ground for improved performance

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
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  • Country of Origin:
  • Balmar
  • 621-VUP-MC-120-J10
  • B0BSTXL95J
  • 676205751230
  • New
  • 6 lbs
  • 14 X 10 X 11
  • Feb 19, 2026
  • Jan 31, 2023
  • UNITED STATES
Product Identifiers: Brand: Balmar • Part #: 621-VUP-MC-120-J10 • UPC: 676205751230 • ASIN: B0BSTXL95J

Balmar 621-VUP-MC-120-J10 120 AMP 12V Alternator Kit with Regulator & Sensor

Reviews for Balmar 621-VUP-MC-120-J10

$951.05