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LActrical Adjustable Voltage Regulator For MerCruiser GM 3.0L 4.3L 5.0L 5.7L 7.4L – Replaces 817119
About this item
Keep your MerCruiser charging system in check with this adjustable voltage regulator from LActrical.
It's a heavy-duty (HD) unit designed to fit a wide range of GM-based MerCruiser engines, including the 3.0L, 4.3L, 5.0L, 5.7L, and 7.4L.
It replaces a ton of OEM and interchange numbers like 817119, 817119A1, AC155604, and AR150.
The best part?
It's adjustable, so you can fine-tune your charging voltage if needed.
New, with a 3-month warranty.
A solid, reliable fix for your boat's electrical system.
(CA Prop 65 warning applies).
USD$ 22.75 
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