SIE18-99365 - RPM Limiter, Mercury, 6 Cyl. (

Sierra Marine Sie18-99365 - Rpm Limiter, Mercury, 6 Cyl. ( is equivalent to parts:

• 821889A55 Mercury Marine
• 821889A54 Mercury Marine
• 821889A55 Mercury Marine

Sierra Marine Catalog Online
Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.