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Mercury | 300 Hour Service Kit | Verado V6 | 8M0133617

The Mercury Verado V6 300 Hour Service Maintenance Kit – 8M0133617 includes the complete set of maintenance components required to perform the recommended 300-hour service on Mercury Verado V6 outboards ranging from 200 HP through 300 HP. Designed for engines with serial numbers 2B144123 and above, this kit provides the oils, filters, ignition components, cooling system parts, and wear items necessary to maintain performance and reliability.

The 300-hour service interval is one of the most important maintenance milestones for Verado engines. Replacing the water pump components, spark plugs, thermostat, fuel filters, and drive belt helps maintain cooling performance, proper fuel delivery, and ignition efficiency while protecting internal engine components. This kit bundles the required maintenance parts into one convenient package to simplify routine service.

What’s Included in This Kit

• 2 x Gallons 25W-40 Engine Oil
• 2 x Quarts Gear Lube
• 1 x Oil Filter
• 1 x High-Pressure Fuel Filter Screen
• 1 x Water Separator Fuel Filter
• 2 x Gearcase Drain Seals
• 1 x Water Pump Repair Kit
• 1 x Oil Drain Seal
• 6 x Spark Plugs
• 1 x Thermostat Assembly
• 1 x Anode Kit
• 1 x Belt

Benefits of the 300 Hour Service

• Maintain proper lubrication with fresh 25W-40 engine oil.
• Protect cooling system performance with a new water pump repair kit and thermostat.
• Restore ignition performance with six replacement spark plugs.
• Ensure clean fuel delivery with new high-pressure and water separating fuel filters.
• Protect gearcase components with fresh gear lube and new drain seals.
• Maintain accessory drive performance with a replacement engine belt.
• Reduce corrosion with a replacement anode kit.

Engine Compatibility

• Mercury Verado V6 200 HP
• Mercury Verado V6 225 HP
• Mercury Verado V6 250 HP
• Mercury Verado V6 300 HP
• Serial Numbers 2B144123 and Above

Always confirm your Mercury outboard serial number before ordering to ensure compatibility with your engine.

• Engine Application
  • 200 HP Verado 6 CYL - 2B144123-2B578935
  • 225 HP Verado 6 CYL - 2B144123-2B578935
  • 250 HP Verado 6 CYL - 2B144123-2B578935
  • 275 HP Verado 6 CYL - 2B144123-2B578935
  • 300 HP Verado 6 CYL - 2B144123-2B578935