621-100-K6 - Balmar 100 AMP 12V Alternator with Isolated Ground | Aztek Computers
29+Years

Received! Our sales team will contact you soon.

SKU: ARUHBJ05E0 |  Mfg. Part: 621-100-K6  | UPC: 676205750806  |  0 Reviews  |     Share Make an offer

621-100-K6 - Balmar 100 AMP 12V Alternator with Isolated Ground and K6 Pulley

3 Available
Condition: New

$676.97  $913.91
Free Shipping for this Item

Product Overview

100 AMP 12V Alternator with Isolated Ground and K6 Pulley

This high-performance alternator from the 621 Series delivers 100A at 12V with an isolated ground. It features a spindle mount with a single foot, accommodates a 1-2 inch belt, and is equipped with a K6 serpentine pulley. This alternator is designed for compatibility with a variety of engines, including Westerbeke, Lehman, Hino, and more.

Typical Mounting:

  • 1" Motorola-Style for Westerbeke, Lehman, Hino & Pathfinder Engines
  • 2" Delco-Style for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, and other GM-based Engines

Replaces part number: 621-100-SR-IG

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Expert Overview

The Balmar 621-100-K6 is a 100 AMP, 12V permanent magnetic alternator designed for IT hardware resellers supporting marine, industrial, or specialized vehicle applications requiring a robust power source. This unit features an isolated ground configuration, which is beneficial in environments where common ground loops need to be avoided. It utilizes a spindle mount with a single foot and is equipped with a K6 serpentine pulley, accommodating a 1-2 inch belt. This alternator is compatible with a range of engines, including Westerbeke, Lehman, Hino, Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, and other GM-based engines. It serves as a direct replacement for part number 621-100-SR-IG, providing a reliable power generation solution for systems requiring consistent 12V output.

Technical Specifications

  • 100 AMP output at 12V
  • Spindle mount with single foot style
  • Isolated ground setup
  • K6 serpentine pulley included
  • Compatible with various engine brands and models
  • Replaces 621-100-SR-IG

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Country of Origin:
  • Balmar
  • 621-100-K6
  • B0C4HDQKZJ
  • 676205750806
  • New
  • 7.75 lbs
  • 10 X 8 X 10
  • Sep 14, 2026
  • Jan 31, 2023
  • UNITED STATES
Product Identifiers: Brand: Balmar • Part #: 621-100-K6 • UPC: 676205750806 • ASIN: B0C4HDQKZJ

Frequently Asked Questions

What is the output specification of this alternator?

This alternator delivers a 100 AMP output at 12V, suitable for applications requiring this specific power profile.

What type of mounting does this alternator use?

The alternator features a spindle mount with a single foot. It supports both 1-inch Motorola-style mounting and 2-inch Delco-style mounting.

Which engine brands are compatible with this alternator?

This alternator is compatible with a variety of engines, including Westerbeke, Lehman, Hino, Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, and other GM-based engines.

Does this alternator include a pulley?

Yes, a K6 serpentine pulley is included with this alternator, designed to accommodate a 1-2 inch belt.

621-100-K6 - Balmar 100 AMP 12V Alternator with Isolated Ground and K6 Pulley

Confirm you're human, then submit:

Reviews for Balmar 621-100-K6

$676.97