Description
Balmar Alternator 120 AMP 12V 4″ Dual Foot Saddle K6 Pulley w/Isolated Ground – Marine Boat Replacement Part is organized for ignition & electrical engine parts shoppers who need a clear, professional marine parts buying experience.
Alternator 120 AMP 12V 4″ Dual Foot Saddle K6 Pulley with Isolated Ground Alternator, 604 Series, 120A, 12V, Saddle Mount (Dual Foot), 4in, K6 Serpentine Pulley, Isolated Ground 4″ J-180-Style Mounting; Typical for Caterpillar, Cummins, Detroit Diesel & John Deere Engines Replaces: 604-120-SR-IG This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Fitment & Product Details
- Brand / Manufacturer: Balmar, Cummins
- Voltage: 12V
- Search-optimized by brand, system, part type, and fitment cues.
- Verify compatibility with your original part number, engine model, and application before ordering.
- Built for boat owners, e-commerce shoppers, and professional marine service teams.






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