Sierra 18-0871-1 Service Valve with O-Ring for Johnson Evinrude Outboard

The Sierra 18-0871-1 is a premium aftermarket service valve designed for Johnson and Evinrude outboard engines equipped with primer valves. This essential maintenance component allows engines with electric primers to convert to a through-the-primer maintenance system, making oil injection and engine treatment applications easier and more efficient.

Key Features:

• Direct replacement for OEM Johnson/Evinrude part number 175158
• Includes factory-installed O-ring for proper sealing
• Fits all Johnson/Evinrude outboards with primer valve (except 1993 9.9 and 15 HP models)
• Manufactured to meet or exceed OEM specifications
• Corrosion-resistant design for harsh marine environments
• Can be used as standalone replacement or as part of Sierra 18-7044-1 service valve kit

Sierra Marine is the market leader in aftermarket marine engine parts, offering premium-quality replacements engineered to stand up in demanding marine applications. Each component is backed by Sierra's comprehensive customer satisfaction warranty covering parts and labor.

Alternate Part Numbers: SIE 08711, 45-1136