12V 70A Alternator 19020600 19020604 862030-1 862030 20810 SAEJ1171 for Mercruiser Engine Stern Drive 900SC 3.0 3.0LX GM 1999-2006
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12V 70A Alternator 19020600 19020604 862030-1 862030 20810 SAEJ1171 for Mercruiser Engine Stern Drive 900SC 3.0 3.0LX GM 1999-2006

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Product Details

12V 70A Alternator 19020600 19020604 862030-1 862030 20810 SAEJ1171 for Mercruiser Engine Stern Drive 900SC 3.0 3.0LX GM 1999-2006

Replacement Part Number:
862030, 8620301, 862030-1, 862030T, 862030T01, 19020600, 19020604, 185983, 70-01-8465, 70018465, 20115017TBA, 20110, 20810, A-1663, A1663, 18-5983, RA00109, 862030-1T, 8620301T, 3203M, SAEJ1171

Specification:
Voltage: 12 Volt
Current: 70 Amp

Fit For Mercruiser Engine:
Marine Model 900 SC GM 9.0L - 542ci - 8cyl 1999-2002
Stern Drive Model 3.0 3.0LX GM 3.0L - 181ci - 4cyl 1999-2006

Product Highlights
Brand: FridayParts
Compatible Engine Brand: For Mercury
Engine Number: 900 SC
Replacement Part Number: SAEJ1171, 862030, 8620301, 862030-1, 862030T, 862030T01, 19020600, 19020604, 185983, 70-01-8465, 70018465, 20115017TBA, 20110, 20810, A-1663, A1663, 18-5983, RA00109, 862030-1T, 8620301T, 3203M
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Jeff
Reviewed on 09/09/2025
Brought My Truck Back to Life - Strong Output!!!

My alternator went out and left me stranded. Ordered this one as a replacement and it's been flawless. The build quality looks and feels OEM, maybe even better. It dropped right in with no modifications needed—the brackets lined up and the electrical plugs connected perfectly. What really matters is that it works. The voltage is rock-solid at 14.4V, even with the AC, headlights, and radio all running. It handles the electrical load on my diesel without any hiccups. No more dimming lights or worrying about the battery draining. For the price, this is a hell of a deal compared to the parts store. It’s a solid, heavy-duty unit that does its job. If you need a reliable alternator, this one won't let you down.

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