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Add to CartGenuine OEM Mercury-Mercruiser part.
Fits: MC‑I, R, MR, Alpha One & Gen II (s/n 0K999999 and below) (1970‑1997)
Special Order Item.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Other Details
Mercruiser 43-887906A-1 Bravo Upper Gear Set Genuine OEM Mercury-Mercruiser part. Fits: Bravo I X & XZ (1.36), II X (1.50 & 1.81) & III X (1.36 & 1.81) (2000 &...
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Mercruiser 43-18411A-4 Upper Gear Set Genuine OEM Mercury-Mercruiser part. For use w/ heavy duty 1.50 gears only. The HD 1.50 drive gear has a stepped bearing surface requiring the use of...
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Mercury - Mercruiser 43-824517A-1 Gear Assy-1.65:1Genuine OEM Mercury-Mercruiser part.Special Order Item.
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Mercruiser 43-75325A-3 Upper Gear Set - 1.84:1 Genuine OEM Mercury-Mercruiser part. Fits: MC‑I, R, MR, Alpha One & Gen II (s/n 0K999999 and below) (1976‑1997) 17-19 Teeth 1.84/1.81...
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Mercruiser 43-55778A-3 Upper Gear Set - 1.98:1 Genuine OEM Mercury-Mercruiser part. Fits: MC‑I, R, MR, Alpha One & Gen II (s/n 0K999999 and below) (1970‑1997) 20-24 Teeth 1.98/1.94...
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