Balmar Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley w/Isolated Grounding

The 120 Amp 12V Alternator from our 621 Series is engineered to deliver reliable performance for a wide range of marine and boating applications. Whether you're upgrading your current system or replacing a worn-out component, this alternator ensures your vessel's electrical needs are met with efficiency and durability.

Key Features

• High Performance: Delivers a robust 120A at 12V, ensuring consistent power supply to your marine electrical systems.
• Versatile Mounting Options: Available in both 1-2" Single Foot Motorola-Style and 2" Delco-Style mountings to accommodate various engine types.
• Isolated Grounding: Enhances safety and performance by preventing electrical interference and ensuring stable operation.
• K6 Serpentine Pulley: Designed for smooth and efficient belt operation, reducing wear and extending the lifespan of the alternator.

Compatibility

This alternator is compatible with a variety of marine engines, making it a versatile choice for different vessel types:

Mounting Type	Typical Engines
1″ Motorola-Style	Westerbeke, Lehman, Hino, Pathfinder Engines
2″ Delco-Style	Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power, GM-based Engines

Specifications

Amperage	120A
Voltage	12V
Box Dimensions	9"H x 10"W x 11"L
Weight	13.35 lbs
UPC	676205750813

Additional Information

For more detailed information about the 120 Amp 12V Alternator, please refer to our brochure (PDF).

Return Policy

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

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.