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Sierra 18-8828
and Yamaha that are confirmed to be incompatible
Constructed with silicone insulation and stainless steel components for durability
Carefully remove the old O-ring or gasket and the worn impeller
and Yanmar 128990-42200 series parts
Lower Unit Seal Kit – Fits Mercury/Mariner 9.9-25HP Outboards (Replaces 26-85090A2, 18-2624) 165-260HP Sierra 18-8828Product Details This Lower Unit Seal Kit provides the essential components to service and reseal the lower gearcase on Mercury Mariner 9. 925HP outboard engines. Designed for both 2 Stroke and 4 Stroke models, this kit helps prevent water intrusion and gear lube leaks, restoring the integrity of your outboard's lower unit. It serves as a direct aftermarket replacement for Mercury OEM part 26 85090A2 and interchanges with Sierra 18 2624 and SeaSierra
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