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It ensures reliable power transmission from the crankshaft to the alternator
ensuring reliable performance across a range of inboard engines
prime the fuel system by cycling the key
and MR drive units from 1983 and newer
0cm H Engine Compatibility For 2-Stroke engines only What’s in the Box
Exhaust Flapper Protector Valve – Fits MerCruiser (Replaces 12644A1, 12644Q01) 600HP It ensures reliable power transmissionProduct Details This 4" Exhaust Flapper Protector Valve is designed for MerCruiser stern drive applications. The rubber flapper prevents water from entering the exhaust system through the outlet while allowing exhaust gases to exit freely. It is made from weather resistant EPDM rubber with an integrated UV stabilizer to ensure longevity. This part serves as a direct replacement for MerCruiser parts 12644A1 and 12644Q01. It also provides an interchange
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