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Mercury | 300 Hour Service Kit | 150 EFI 4-Stroke | 8M0094233

The Mercury 150 EFI 4-Stroke 300 Hour Service Maintenance Kit – 8M0094233 provides the essential components required to complete the recommended 300-hour maintenance interval on Mercury 150 HP EFI four-stroke outboard engines. This comprehensive kit includes engine oil, filters, ignition components, cooling system parts, and wear items needed to keep your outboard operating efficiently and reliably.

The 300-hour service is one of the most important scheduled maintenance intervals for Mercury outboards. Replacing spark plugs, fuel filtration components, the thermostat, and accessory belt helps maintain proper engine performance, cooling efficiency, and fuel delivery. This kit consolidates the required service parts into one convenient package to simplify routine maintenance.

What’s Included in This Kit

• 1 x Gallon 10W-30 Engine Oil
• 3 x Quarts 10W-30 Engine Oil
• 1 x Quart Gear Lube
• 1 x Oil Filter
• 1 x High Pressure Fuel Filter
• 2 x Gearcase Drain Seals
• 4 x Spark Plugs
• 1 x Thermostat Kit
• 1 x Belt
• 4 x Anodes

Benefits of the 300 Hour Service

• Maintain proper lubrication with fresh 10W-30 engine oil.
• Protect internal engine components with a new oil filter and fuel filter.
• Restore ignition performance with replacement spark plugs.
• Ensure proper cooling system operation with a new thermostat kit.
• Maintain accessory drive reliability with a replacement belt.
• Reduce corrosion with replacement anodes.
• Protect the gearcase with fresh gear lube and new drain seals.

Engine Compatibility

• Mercury 150 HP EFI 4-Stroke Outboards

Always verify your Mercury outboard model and serial number before ordering to ensure compatibility with your engine.

• Engine Application
  • 150 HP EFI SeaPro - 2B139139 and up
  • 135 HP EFI - 2B131942 and up
  • 105 HP EFI Jet - 3B672358 and up
  • 150 HP EFI - 1B905505 and up