Heavy Duty Boat Alternator For Mercruiser 900Sc 1999-2002 And 3.0L And 3.0Lx 1999-2006 OEM Replacement With 862030 Series Numbers 862030-1 862030T 19020600 19020604 20115017TBA Fits Marine Engines

Heavy Duty Mercruiser Boat Alternator 70A 12V (1999-2006)
✔️ 12V, 70A high-output CW rotation; 1-Groove pulley included; Pack: 1Pc

The heavy-duty alternator is a OEM replacement designed for Mercruiser marine engines, matching the 862030 series numbers. It fits Mercruiser 900Sc (1999-2002) and 3.0/3.0Lx (1999-2006) models, making it a solid option for stern-drive boats and other marine setups.

✅ Voltage: 12V
✅ Amperage: 70A
✅ Rotation: CW
✅ Regulator: IR
✅ Fan: IF
✅ Grooves: 1-Groove Pulley
✅ Overload & Overheat protection
✅ Packaging: 1Pc

💡 What is a heavy duty marine alternator replacement used for in Mercruiser engines?

It’s a handy upgrade that powers onboard electricals and recharges the battery while the engine runs.

• Keeps lights, gauges, and accessories powered on during operation
• OEM replacement compatibility for 1999-2006 Mercruiser models such as 900Sc and 3.0/3.0Lx
• 12V, 70A output supports typical marine electrical loads
• Durable aluminum housing and copper windings for reliability