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Your New Favorite Balmar Alternator 120 Amp 12v 1-2" Single Foot Spindle Mount J10 Pulley W/isolated Ground [621-120-j10] Complete Set [MXhNSCI5]

$63.99 $204.99 -69%

Balmar Alternator 120 AMP 12V Mounting SolutionIntroducing the Balmar Alternator 120 AMP 12V, a premium power solution designed for your marine engine. This alternator is crafted with precision and is equipped with a single foot spindle mount, ensuri

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Your New Favorite Balmar Alternator 120 Amp 12v 1-2" Single Foot Spindle Mount J10 Pulley W/isolated Ground [621-120-j10] Complete Set [MXhNSCI5]

Balmar Alternator 120 AMP 12V Mounting Solution

Introducing the Balmar Alternator 120 AMP 12V, a premium power solution designed for your marine engine. This alternator is crafted with precision and is equipped with a single foot spindle mount, ensuring a secure and reliable fit. With its J10 pulley and isolated ground design, this alternator delivers optimal performance and durability.

Key Features and Specifications

Features:
  • 120 AMP output for superior power generation
  • 12V voltage compatibility for a wide range of applications
  • 1-2" spindle mount for versatile installation options
  • J10 AltMount serpentine pulley for efficient belt drive
  • Isolated ground design for enhanced safety and performance
Specifications:
  • Box Dimensions: 8"H x 10"W x 10"L
  • Weight: 6.9 lbs
  • UPC: 676205751186

Wide Compatibility and Practical Uses

This Balmar alternator is designed to work seamlessly with a variety of engines, including Westerbeke, Lehman, Hino & Pathfinder, Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power, and other GM-based engines. Its 2" Delco-Style mounting makes it a perfect fit for these engines, providing a stable and efficient power source. This alternator is not just a component; it's a reliable partner for your marine adventures, ensuring that you have the power you need whenever you're out on the water.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

I'm happy with my online order.

- Marci R..

January 22, 2026

Absolutely no complaints!

This is a very smart, highly effective tool.

- Holden N..

January 22, 2026

Absolutely no complaints!

A great gadget that is extremely fine.

- Lauryn U..

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