![Balmar Alternator 120 AMP 12V 1-2″ Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-120-DV]](https://www.sunfishers.com/wp-content/uploads/2025/12/balmar-alternator-120-amp-12v-1-2-8243-single-foot-spindle-mount-dual-vee-pulley-w-isolated-ground-rolhgvqf59653.webp)
Description
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)
![Ancor Black 4 AWG Battery Cable – 25′ [113002]](https://www.sunfishers.com/wp-content/uploads/2025/12/ancor-black-4-awg-battery-cable-8211-25-8242-113002-rejvqmgw49763.webp)
![Blue Sea 2404 Terminal Black 20AMP – 4 Circuit [2404]](https://www.sunfishers.com/wp-content/uploads/2025/12/blue-sea-2404-terminal-black-20amp-8211-4-circuit-2404-ozubxsag14024.webp)
![Ancor 100-Piece Tinned Copper Lug Kit [255101]](https://www.sunfishers.com/wp-content/uploads/2025/12/ancor-100-piece-tinned-copper-lug-kit-255101-etzetqmg50391.webp)
![Blue Sea 2356 Water Resistant BusBar – 100 Amp w/Cover [2356]](https://www.sunfishers.com/wp-content/uploads/2025/12/blue-sea-2356-water-resistant-busbar-8211-100-amp-w-cover-2356-kmzdweak67226.webp)
Reviews
There are no reviews yet.