7SI 12 Volt 70 Amp Marine Alternator Compatible with MerCruiser Stern Drive 3.0LX GM 3.0L 181CI 900SC 9.0L 542CI V8 1999-2006 J1171 862030 Model 4-Cyl 19020600

OEM PART NUMBERS:
• 19020600 / 19020604
• Mercury Marine: 862030 / 862030-1 / 8620301 / 862030T / 862030T01
• 20115017TBA

MERCRUISER STERN DRIVE — GM 3.0L 181CI 4-CYL:
• Model 3.0 — GM 3.0L 181CI 4-Cylinder Stern Drive (1999-2006)
• Model 3.0LX — GM 3.0L 181CI 4-Cylinder Stern Drive (1999-2006)

MERCRUISER HI-PERFORMANCE — GM 9.0L 542CI V8:
• Model 900SC — GM 9.0L 542CI 8-Cylinder Hi-Performance (1999-2002)

SPECIFICATIONS:
• 7SI / 12V / 70A / CW / IR-IF / 1-Groove V-Belt
• J180 Hinge Mount / 12:00 Clock / M6-1.0 B+ / Negative Polarity
• M8-1.25 Threaded + 2x 8mm Unthreaded Ears / Permanent Magnet
• SAE J1171 Marine Ignition Protection Certified

Marine Alternator — MerCruiser 3.0 3.0LX 900SC Stern Drive:
OEM replacement 12V 70A 7SI marine alternator for MerCruiser stern drive and hi-performance engines. Fits Model 3.0/3.0LX with GM 3.0L 181CI inline 4-cylinder (1999-2006) and Model 900SC with GM 9.0L 542CI V8 (1999-2002). 1-groove V-belt pulley, J180 hinge mount, CW rotation, internal regulator and fan. 12:00 clock position, M6-1.0 B+ output terminal, negative polarity. SAE J1171 marine ignition protection certified. Three mounting ears: M8-1.25 threaded plus two 8mm unthreaded. Permanent magnet design. Weight 9.25 lbs / 4.20 kg.

ADDITIONAL CROSS-REFERENCES:
• Type: 7SI Series Marine Alternator
• Voltage: 12V / Amperage: 70A
• Pulley: 1-Groove V-Belt
• Mount: J180 Hinge
• Clock Position: 12:00 / Polarity: Negative


⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.