Sierra 18-9251 Outboard Maintenance Kit for Mercury Optimax 75-115 HP

The Sierra 18-9251 Outboard Maintenance Kit provides a comprehensive, one-box solution for maintaining Mercury 75, 90, and 115 HP Optimax 1.5L 2-stroke outboard engines with serial numbers 1B227000 and up. This complete kit includes all the essential components needed for regular maintenance at appropriate service intervals, saving you time and ensuring optimal engine performance and reliability.

What's Included:

• High-quality spark plugs pre-gapped and ready for installation
• Water pump kits specifically engineered for your engine model
• Thermostats designed for proper temperature regulation
• Fuel filters to ensure clean fuel delivery
• All gaskets and components needed for complete service

Each Sierra maintenance kit comes packaged in a premium full-color branded box with detailed product photography, product information, and a complete list of box contents for easy reference. Sierra's 58-year history as a leading global manufacturer of aftermarket marine engine parts ensures you're getting quality components that meet or exceed OEM specifications while providing essential parts at a fraction of the cost compared to buying them individually.

Application: Mercury 75, 90, and 115 HP Optimax 1.5L 2-Stroke outboard engines with serial numbers 1B227000 and up.