Regitar USA Voltage Regulator f/Mercury Marine Outboard 4 Stroke 30, 40, 50, and 60 Hp Engines [RMV005]Voltage Regulator for Mercury Marine Outboard 4 Stroke 30, 40, 50, and 60 Hp Engines Voltage Regulator for Mercury Marine Outboard 4 Stroke 30, 40, 50, and 60 Hp Engines. Engine Brand: Mercury Fitment: Mercury Outboards 2 3 4 6 Cyl. (1999 2007) Specifications: Type: Parts Box Dimensions: 3"H x 4"W x 5"L WT: 0. 6 lbs UPC: 724469632250 Brochure (pdf)