Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley with Isolated Ground

Alternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount 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.

Replaces: 621-120-SR-IG