Sierra 118-9250 Outboard Maintenance Kit Mercury 350-400 HP Verado 6-Cyl 4-Stroke

The Sierra 18-9250 Outboard Maintenance Kit is a comprehensive, all-in-one service solution designed for Mercury 350–400 HP, 6-Cylinder, 4-Stroke Verado outboard engines with serial numbers 2B141617 and up. This single-box kit takes the guesswork out of routine engine maintenance by bundling every essential service component together, ensuring peak performance and long-term reliability.

Key Features:

• Complete one-box maintenance solution — everything needed for regular service intervals in a single kit
• High-quality spark plugs included, pre-gapped and ready for installation
• Water pump impeller engineered specifically for this engine family
• Fuel filter for consistent, clean fuel delivery
• Anodes and anode mounting hardware included to protect against corrosion
• All components meet or exceed OEM specifications

Kit Contents:

• Spark Plugs (pre-gapped)
• Anode | Sierra 18-6011A
• Anode | Sierra 18-6016A
• Fuel Filter | Sierra 18-7718
• Impeller | Sierra 18-3056
• Anode Mounting Bolt | Sierra 18-6245

Sierra has been a trusted name in marine aftermarket parts for over 58 years. The 18-9250 kit is packaged in a premium Sierra-branded box with full-color labeling that includes product photography and complete contents information, making it easy to verify you have everything needed before you start. Keeping your Mercury Verado properly serviced at recommended intervals helps protect your engine investment and ensures reliable, worry-free time on the water.