Product Details
621 Series 120A Kit with MC-618 Regulator, T-Sensor, K6 Pulley, Single Foot & Mounting Hardware
Kit Includes:
- 621-120-K6 Alternator
- MC-618 Regulator
- Temperature Sensors
- Mounting Hardware
621-120-K6 Alternator: 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
Specifications:
- Voltage: 12v
- Amperage: 120A
- Box Dimensions: 10"H x 10"W x 14"L WT: 7.46 lbs
- UPC: 676205750950
Quick Guide (pdf)

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