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Fits either side of the engine
Mercruiser Part # 99746A8
Sierra Part # 18-1952
This manifold has a center riser and fits either side of the engine. For replacement of Mercruiser V6 Manifolds with center risers. Mercruiser Part # 99746A8. Sierra Part # 18-1952.
• Engine: 175, 205, 4.3L, 4.3LX (Serial # B527955 and up)
• Engine: 4.3L, 4.3LX (Serial # D714107 and up)
• Engine: 4.3L, 4.3LX (Serial # F000878 and up)
• Engine: 185, 205 (Serial # A331455 and up)
• Engine: 185 (Serial # 6330183 and up)
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