![Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w\/Isolated Ground [621-120-DV]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/1280x1280/products/20693/26486/95720XL__13505.1720249028.jpg?c=1 "Balmar Alternator 120 AMP 12V 1-2\" Single Foot Spindle Mount Dual Vee Pulley w\/Isolated Ground [621-120-DV]")
![Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w\/Isolated Ground [621-120-DV]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/20693/26486/95720XL__13505.1720249028.jpg?c=1 "Balmar Alternator 120 AMP 12V 1-2\" Single Foot Spindle Mount Dual Vee Pulley w\/Isolated Ground [621-120-DV]")
Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley with Isolated Ground
Alternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1-2in, Dual Deep Vee Pulley, Isolated Ground 1" Motorola-Style Mounting; Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting; Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines
Replaces: 621-120-SR-IG
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.Brochure (pdf)
![Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w\/Isolated Ground [621-100-DV]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/21743/28292/97458XL__97610.1720252210.jpg?c=1 "Balmar Alternator 100 AMP 12V 1-2\" Single Foot Spindle Mount Dual Vee Pulley w\/Isolated Ground [621-100-DV]")
![Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley w\/Isolated Ground [621-120-J10]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/21746/28295/97461XL__72774.1720252217.jpg?c=1 "Balmar Alternator 120 AMP 12V 1-2\" Single Foot Spindle Mount J10 Pulley w\/Isolated Ground [621-120-J10]")
![Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor [621-VUP-MC-120-DV]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/19008/24448/92761XL__32872.1720244564.jpg?c=1 "Balmar Alternator 120 AMP 12V 1-2\" Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor [621-VUP-MC-120-DV]")
![Balmar Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley w\/Isolated Grounding [621-120-K6]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/14811/17956/83216XL__98737.1720232982.jpg?c=1 "Balmar Alternator 120 Amp 12V 1-2\" Single Foot Single K6 Pulley w\/Isolated Grounding [621-120-K6]")
![Balmar Alternator 120 AMP 12V 3.15" Dual Foot Saddle Dual Pulley w\/Isolated Ground [60-120-DV]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/21737/28286/97447XL__43451.1720252194.jpg?c=1 "Balmar Alternator 120 AMP 12V 3.15\" Dual Foot Saddle Dual Pulley w\/Isolated Ground [60-120-DV]")
![Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley w\/Isolated Ground [621-100-J10]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/21744/28293/97459XL__30187.1720252212.jpg?c=1 "Balmar Alternator 100 AMP 12V 1-2\" Single Foot Spindle Mount J10 Pulley w\/Isolated Ground [621-100-J10]")
![Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount K6 Pulley w\/Isolated Ground [621-100-K6]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/21745/28294/97460XL__90373.1720252215.jpg?c=1 "Balmar Alternator 100 AMP 12V 1-2\" Single Foot Spindle Mount K6 Pulley w\/Isolated Ground [621-100-K6]")
![Balmar Alternator 120 Amp 12V 3.15" Dual foot Saddle Single K6 Pulley w\/Isolated Grounding [60-120-K6]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/14810/17955/83214XL__16389.1720232980.jpg?c=1 "Balmar Alternator 120 Amp 12V 3.15\" Dual foot Saddle Single K6 Pulley w\/Isolated Grounding [60-120-K6]")
![Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor [621-VUP-MC-100-DV]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/21748/28297/97463XL__51924.1720252222.jpg?c=1 "Balmar Alternator 100 AMP Kit 12V 1-2\" Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor [621-VUP-MC-100-DV]")