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Trending Balmar Alternator 100 Amp 12v 1-2" Single Foot Spindle Mount Dual Vee Pulley W/isolated Ground [621-100-dv] Limited Time 60% Off [Rg6cP1l5]

$57.99 $185.99 -69%

Balmar Alternator 100 AMP 12V The Balmar Alternator 100 AMP 12V is a high-performance, reliable power source designed for marine and industrial applications. This alternator boasts a robust 100A output and a 12V voltage rating, making it an ideal cho

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Balmar Alternator 100 AMP 12V

The Balmar Alternator 100 AMP 12V is a high-performance, reliable power source designed for marine and industrial applications. This alternator boasts a robust 100A output and a 12V voltage rating, making it an ideal choice for engines ranging from small outboards to large commercial vessels. With its exceptional build quality and advanced features, this alternator ensures a consistent power supply, even under demanding conditions.

Key Features and Specifications

The Balmar Alternator 100 AMP 12V comes equipped with a 1-2" Single Foot Spindle Mount for easy installation and versatility. Its Dual Deep Vee Pulley provides smooth and efficient power transfer. One of the standout features is the Isolated Ground 1" Motorola-Style Mounting, which offers improved electrical performance and reduced noise. Additionally, the alternator is compatible with both 2" Delco-Style and 1" Motorola-Style Mounting systems, making it suitable for a wide range of engines and applications.
  • Spindle Mount: 1-2" Single Foot for versatile installation options.
  • Dual Vee Pulley: Ensures smooth power transfer and reduced wear.

Practical Applications and Compatibility

The Balmar Alternator 100 AMP 12V is designed to meet the needs of various engines and systems. It is typically used with Westerbeke, Lehman, Hino, and Pathfinder engines for 2" Delco-Style Mounting, as well as Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power, and other GM-based engines for 1" Motorola-Style Mounting. This alternator is a direct replacement for the 621-100-SR-IG model, ensuring compatibility and easy installation.
  • Engine Compatibility: Westerbeke, Lehman, Hino, Pathfinder, Volvo Penta, John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power, and more.
  • Direct Replacement: 621-100-SR-IG for seamless installation.
With its wide range of applications and reliable performance, the Balmar Alternator 100 AMP 12V is an essential component for any marine or industrial power system.

What Our Customers Say

December 30, 2025

Absolutely no complaints!

The user interface is exceptionally slick.

- Leo G..

December 30, 2025

Absolutely no complaints!

A great product. I am very happy.

- Kristine X..

December 30, 2025

Absolutely no complaints!

It's a perfect 10/10 in my opinion.

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