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Sierra 18-0580 Marine Oil Seal for Mercury Outboard Lower Unit

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

118-0580
7 reviews
04/21/2036 12:46 PM
Sale Price

$11.07

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Product Details

The Sierra 18-0580 is a precision-engineered marine oil seal designed for outboard lower unit applications. This critical component protects shafts and bearings from contamination while preventing lubricant leakage in harsh marine environments.

Key Specifications:

  • Inside Diameter: 0.750 inches (19mm)
  • Outside Diameter: 1.250 inches (31.8mm)
  • Width/Height: 0.312 inches (7.9mm)
  • Constructed with durable rubber sealing element
  • Meets or exceeds OEM specifications

OEM Cross References: Replaces Mercury 26-41132, Chrysler/Force/US Marine 26-41132, Mallory 9-76128, and Sears 26-41132. This seal is also included in Sierra lower unit seal kit 18-2624.

Sierra marine parts are engineered to deliver reliable performance and long service life in demanding saltwater and freshwater conditions. This oil seal provides a precise fit for professional repairs and maintenance.

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