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$26.57
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The Sierra International 18-1154 is a single-row marine ball bearing designed as a direct replacement for upper and lower crankshaft main bearing applications on Mercury Marine and OMC outboard and stern drive engines. Engineered to meet or exceed OEM specifications, this bearing provides reliable support for rotating crankshaft assemblies, reducing mechanical wear and helping maintain optimal engine performance in demanding marine environments.
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The Sierra 18-1154 is backed by Sierra International's reputation for quality marine engine components and is a trusted aftermarket solution for Mercury, Johnson, Evinrude, and OMC stern drive engine maintenance and repair.
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