Description
ARCO Marine Zeus 24V 4kW Low Turn On (LTO) J180 4″ Alternator w/Isolated Ground is organized for ignition & electrical engine parts shoppers who need a clear, professional marine parts buying experience.
Zeus 24V 4kW Low Turn On (LTO) J180 4″ Alternator with Isolated Ground The ARCO Zeus 24v 4kW LTO alternator turns on at lower RPMs, runs cooler, and provides more power than older designs that are larger and heavier. This alternator continuously generates over 1.4kW (51 Amps) at just under 1,500 RPM and almost 2.4kW (87 Amps) at 2,000 Alternator RPM. Put in real-world terms, a marine diesel engine idling at 750 RPM with a 2:1 pulley ratio is generating over 1.5kW (55 Amps), and a Mercedes Sprinter at 750 RPM with a 3.21:1 ratio is generating over 2.5kW (91 Amps)! The ARCO Zeus 24v 4kW alternator turns on at lower RPMs, runs cooler, and provides more power than older designs that are larger a
Fitment & Product Details
- Brand / Manufacturer: ARCO Marine
- Voltage: 24V, 12V
- Position: lower
- 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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