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Sierra 18-99164 Upper Unit Casing Gasket for Outboard Motors

Manufacturer

Part Number

118-99164
Sale Price

$31.76

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-99164 Upper Unit Casing Gasket is a precision-engineered replacement gasket designed for marine outboard motor lower unit assemblies. This gasket creates a reliable seal between the upper and lower casing sections of the gearcase, preventing water intrusion and gear oil leakage.

Key Features:

  • Manufactured to stringent OEM quality standards for reliable fit and function
  • Designed for precise fitment to ensure proper sealing
  • Constructed from durable marine-grade gasket material that withstands saltwater and freshwater environments
  • Direct replacement for original equipment gasket
  • Essential component for lower unit maintenance and rebuild procedures

Sierra marine gaskets are engineered to meet or exceed original equipment specifications, providing dependable performance for outboard motor service and repairs. Each gasket is designed to maintain the integrity of the lower unit assembly and protect critical gearcase components.

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