![Balmar Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley w\/Isolated Grounding [621-120-K6]](https://cdn11.bigcommerce.com/s-tzjarqqxnb/images/stencil/1280x1280/products/15767/19058/83216XL__06188.1714551409.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 1-2" Single Foot Single K6 Pulley w\/Isolated Grounding [621-120-K6]](https://cdn11.bigcommerce.com/s-tzjarqqxnb/images/stencil/500x659/products/15767/19058/83216XL__06188.1714551409.jpg?c=1 "Balmar Alternator 120 Amp 12V 1-2\" Single Foot Single K6 Pulley w\/Isolated Grounding [621-120-K6]")
Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley with Isolated Grounding
Alternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine 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.
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 120 Amp 12V 3.15" Dual foot Saddle Single K6 Pulley w\/Isolated Grounding [60-120-K6]](https://cdn11.bigcommerce.com/s-tzjarqqxnb/images/stencil/500x659/products/15766/19057/83214XL__32426.1714551407.jpg?c=1 "Balmar Alternator 120 Amp 12V 3.15\" Dual foot Saddle Single K6 Pulley w\/Isolated Grounding [60-120-K6]")
![Balmar Alternator 120 AMP 12V 4" Dual Foot Saddle K6 Pulley w\/Isolated Ground [604-120-K6]](https://cdn11.bigcommerce.com/s-tzjarqqxnb/images/stencil/500x659/products/22339/28639/97453XL__39010.1714568423.jpg?c=1 "Balmar Alternator 120 AMP 12V 4\" Dual Foot Saddle K6 Pulley w\/Isolated Ground [604-120-K6]")
![Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount K6 Pulley w\/Isolated Ground [621-100-K6]](https://cdn11.bigcommerce.com/s-tzjarqqxnb/images/stencil/500x659/products/22345/28645/97460XL__59661.1714568435.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 1-2" Single Foot Spindle Mount J10 Pulley w\/Isolated Ground [621-120-J10]](https://cdn11.bigcommerce.com/s-tzjarqqxnb/images/stencil/500x659/products/22346/28646/97461XL__19719.1714568438.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 w\/Isolated Ground [621-120-DV]](https://cdn11.bigcommerce.com/s-tzjarqqxnb/images/stencil/500x659/products/21418/27123/95720XL__06991.1714565870.jpg?c=1 "Balmar Alternator 120 AMP 12V 1-2\" Single Foot Spindle Mount Dual Vee Pulley w\/Isolated Ground [621-120-DV]")