Product Details
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.Specifications:
- Amperage: 120A
- Voltage: 12v
- Box Dimensions: 9"H x 10"W x 10"L WT: 13.35 lbs
- UPC: 676205750813
Brochure (pdf)

![Balmar Kit 621 Series 100A Single FT Alt MC Reg T Sensor [621-VUP-MC-100-SV] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/88988XL_{width}x.jpg?v=1677110017)
![ARCO Marine Zeus 24V 7kW 3.15 Alternator w/Isolated Ground [4501]](http://roughseasmarine.com/cdn/shop/files/107554XL_{width}x.jpg?v=1741311353)
![ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A [60050] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/97202XL_{width}x.jpg?v=1677109912)
![ARCO Marine Premium Replacement Outboard Alternator w/Multi-Groove Pulley - 12V 50A [20850] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/97207XL_{width}x.jpg?v=1677109915)
![Balmar Pulley Kit f/Yanmar 3JH2-TE, 3JH2-E [48-YSP-3JH-C]](http://roughseasmarine.com/cdn/shop/files/85889XL_{width}x.jpg?v=1742611883)
![ARCO Marine Zeus A8000-48V 8kW Ford Transit Alternator w/Isolated GroundK6 Pulley [4610]](http://roughseasmarine.com/cdn/shop/files/114272XL_{width}x.jpg?v=1780616804)
![ARCO Marine Zeus A115/3500W 24V HD Hight Output Alternator - J180 Mount [4412]](http://roughseasmarine.com/cdn/shop/files/113446XL_{width}x.jpg?v=1775225023)
