Sierra 18-3750 Spanner Nut OEM Replacement for Mercury Outboard Engines
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Sierra 18-3750 Spanner Nut OEM Replacement for Mercury Outboard Engines

Product Code: SIE18-3750

The Sierra 18-3750 Spanner Nut is designed as an OEM replacement for Mercury outboard engines. This high-quality part ensures a secure fit and reliable performance for your marine engine.

  • OEM replacement for Mercury part number 52699
  • Compatible with select Mercury outboard engines
  • Durable construction for long-lasting use
  • Easy to install
  • SIERRA part number: 18-3750
  • Suggested Retail Price: $20.99