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Limited Time Offer Balmar Alternator 100 Amp 12v 1-2" Single Foot Spindle Mount J10 Pulley W/isolated Ground [621-100-j10] Markdown: -65% [VWEaZmw3]

$57.99 $185.99 -69%

Balmar Alternator 100 AMP 12V Mounting SolutionIntroducing the Balmar Alternator 100 AMP 12V, a top-tier power solution designed for marine and industrial applications. This high-performance alternator boasts a robust 100 AMP output and a 12V voltage

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Limited Time Offer Balmar Alternator 100 Amp 12v 1-2" Single Foot Spindle Mount J10 Pulley W/isolated Ground [621-100-j10] Markdown: -65% [VWEaZmw3]

Balmar Alternator 100 AMP 12V Mounting Solution

Introducing the Balmar Alternator 100 AMP 12V, a top-tier power solution designed for marine and industrial applications. This high-performance alternator boasts a robust 100 AMP output and a 12V voltage rating, making it an ideal choice for demanding electrical systems. The spindle mount design ensures secure and stable installation, while the J10 pulley provides smooth operation and compatibility with a wide range of engines. With its isolated ground feature, this alternator offers enhanced safety and reliability.

Key Specifications and Features

The Balmar Alternator 100 AMP 12V is engineered with precision and includes several key features that set it apart from the competition. It features a 1-2" single foot spindle mount, which allows for versatile installation options. The J10 AltMount Serpentine Pulley ensures optimal belt tension and reduces noise and vibration. Additionally, the alternator is compatible with both 2" Delco-Style and 1" Motorola-Style mounting systems, making it suitable for a wide array of engines. Here are some of the key specifications:

  • Amperage: 100A
  • Voltage: 12V
  • Box Dimensions: 9"H x 10"W x 10"L, WT: 12.9 lbs
  • UPC: 676205500685

Practical Applications and Benefits

Whether you're outfitting a marine vessel or an industrial engine, the Balmar Alternator 100 AMP 12V offers numerous benefits. Its high amperage output ensures that your electrical system operates smoothly, even under heavy loads. The spindle mount design provides a secure and stable installation, reducing the risk of failure. The isolated ground feature enhances safety by preventing ground loops and electrical noise. This alternator is particularly well-suited for engines such as Westerbeke, Lehman, Hino, Pathfinder, Volvo Penta, John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power, and other GM-based engines. With the Balmar Alternator 100 AMP 12V, you can trust in a reliable power source that meets the demands of your application.

What Our Customers Say

January 17, 2026

Absolutely no complaints!

A great product for the price.

- Ina O..

January 17, 2026

Absolutely no complaints!

Well-made product. I do recommend.

- Lauren R..

January 17, 2026

Absolutely no complaints!

A well-earned five-star rating.

- Robert O..

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