18-7180 SIERRA "SEALING O-RING" REPLACES OMC 303347
$3.50
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18-7180 SIERRA "SEALING O-RING" REPLACES OMC 303347
$3.50
# 18-7180 SIERRA SEALING O-RING Premium elastomer o-ring engineered for reliable sealing in OMC marine engine systems. This OEM-equivalent replacement for OMC part 303347 delivers superior fluid containment in fuel systems, cooling passages, and hydraulic circuits. Precision-molded from marine-grade material that resists saltwater corrosion, thermal cycling, and fuel degradation. The o-ring maintains optimal elasticity and compression set across demanding operating conditions, preventing leakage and system failures. Ideal for routine maintenance, component repairs, or complete engine overhauls on OMC-equipped vessels. Ensures consistent performance and extended equipment reliability in harsh marine environments.