Product Overview
Riser Gasket Closed

Ensure peak performance and prevent leaks in your Mercury MerCruiser or Brunswick engine with the Sierra Riser Gasket Closed. This essential component is designed for closed cooling systems and provides a perfect seal, keeping your engine running smoothly and efficiently. Don't let a faulty gasket ruin your day on the water – choose the reliable Sierra Riser Gasket for worry-free boating.
Key Features
- Specifically designed for closed cooling systems (Knä/Stängd)
- Provides a reliable seal, preventing leaks and maintaining engine performance
- Direct replacement for Mercury MerCruiser part number 864549A02, ensuring compatibility
- Also replaces MRN27864549A02 and is cross-referenced with Sierra 18-0720, offering multiple sourcing options
- Manufactured by Sierra, a trusted name in marine engine parts, known for quality and durability
- Backed by Marinshopen's price-match guarantee for the best value
- Easy installation and a perfect fit, minimizing downtime and maximizing your time on the water
What's in the Box
- One Sierra Riser Gasket Closed
Specifications
The Captain's Take
As a seasoned captain, I know the importance of reliable engine performance. The Sierra Riser Gasket is a small but critical part I trust to keep my engine running smoothly. It's a quality replacement that provides a perfect seal, preventing leaks and potential damage. Don't risk your boating season with a subpar gasket – choose Sierra for peace of mind on the open water.