Mercury/Mariner 50HP & 60HP EFI 4-Stroke 300-Hour Service Kit (Standard Gearbox)

Includes Oils, Grease & Pump – Complete Maintenance Kit

🛠 Product Description

Keep your outboard performing at its best with this complete 300-hour maintenance kit for Mercury and Mariner 50HP & 60HP EFI 4-stroke outboards (Standard Gearbox only). Perfect for serious boaters, this all-in-one package includes high-quality service parts, premium lubricants, and essential tools.

⚠️ Fits Standard Gearbox only. Not compatible with High Thrust or Command Thrust models.

✅ What’s Included?

Service Parts:

4x Spark Plugs – Smooth ignition
1x Impeller & Gasket – Proper water pump function
1x Thermostat & Gasket – Regulates engine temperature
1x Fuel Filter
1x Secondary Fuel Filter
1x Oil Filter
2x Gearbox Oil Drain Seals
1x Complete Anode Set – Corrosion protection

Fluids & Maintenance Supplies:

3L Quicksilver 10W-30 4-Stroke Engine Oil
1L Quicksilver Premium Gear Lube
1x Gear Oil Filling Pump
0.5L Rock Oil Marine Grease

🔧 Why Buy From SSI MARINE?

Designed by outboard servicing professionals
Uses a mix of genuine and premium aftermarket parts
Includes all fluids, tools, and anodes—no guesswork
Meets or exceeds OEM quality standards
Fast UK dispatch – Orders before 1 PM ship same working day

⚠ Compatibility Notice

Please confirm your outboard's specifications before ordering. If you're unsure, contact us with your serial number—we're happy to help.

🚚 Shipping

Fast, secure UK shipping
Tracked 24-hour delivery service
Orders before 1 PM dispatched same working day

🛒 Add to cart and get everything you need for your Mercury or Mariner 50/60HP EFI’s 300-hour service—fluids, filters, tools, and corrosion protection included!

Mercury Mariner 50HP 60HP 4-Cyl EFI 4-Stroke 300-Hour Service Kit incl Oil's (Standard Gearbox Only)