Mercury – Grease Gun | Maintenance Tool | 3 oz Cartridge Compatible | 74057A6

Overview

A smooth-running boat needs proper lubrication, and the Mercury Marine 74057A6 Grease Gun makes that job quick and easy. Designed for use with 3-ounce Mercury grease cartridges — including 2-4-C and Extreme Grease — this compact, pistol-grip gun is built for one-handed operation. Its sturdy construction and rigid feed tube give you precise control in tight spaces, whether you’re servicing your engine, trailer bearings, or steering components. Small enough to stash on your boat or in your truck, it’s the tool you’ll reach for again and again.

Key Features

• Purpose: Delivers precise lubrication for marine engines, trailers, and mechanical parts.
• Design: Pistol-grip handle allows easy one-handed operation.
• Material: Constructed from durable, corrosion-resistant steel with a rigid feed tube.
• Performance: Compatible with 3 oz grease cartridges, including 2-4-C and Extreme Grease.
• Portability: Compact and lightweight — ideal for storage in a toolbox, boat, or tow vehicle.
• Ease of Use: Simple to load and operate, even in tight spaces.

Engine & Equipment Compatibility

• For use with 3 oz grease cartridges (Mercury 2-4-C or Extreme Grease)
• Ideal for boat engines, steering systems, trailer bearings, and mechanical fittings

Performance & Real-World Benefits

The 74057A6 grease gun combines convenience with power. Its pistol-grip handle provides a solid feel and lets you apply grease precisely where it’s needed, even with one hand. The compact size makes it easy to keep on board for quick maintenance between runs.

It’s perfect for keeping linkages, bearings, and cables lubricated — extending component life and reducing wear. Designed for marine use, it resists corrosion and performs reliably in all conditions.

Why Choose Mercury OEM

The Mercury 74057A6 is a genuine Mercury Marine tool, made for use with Mercury’s full line of lubricants and designed to hold up to tough conditions. Aftermarket tools may not fit Mercury grease cartridges as securely or may deliver inconsistent pressure.

Mercury’s OEM grease guns are built for durability, clean operation, and compatibility with factory-recommended lubricants — giving you peace of mind and long-lasting performance.

FAQ

Q1: What size grease cartridges does it take?
It fits 3 oz Mercury grease cartridges, including 2-4-C and Extreme Grease.

Q2: Can it be used one-handed?
Yes — the pistol-grip design allows for easy one-handed use.

Q3: What’s included?
You’ll receive the grease gun body, rigid feed tube, and cartridge tube.

Q4: Where can I use it?
Ideal for lubricating boat engines, trailers, steering linkages, and fittings.

Q5: Why OEM instead of generic?
Mercury’s OEM design ensures perfect compatibility with Mercury lubricants and delivers consistent grease flow without leaks.