Graco 551189 Md2 Gun, Grease 3 Oz Pistol

Compact Grease Gun for Precision Lubrication and Maintenance

Compatible Machines

• Graco MD2 Dispense Valve assemblies
• Graco 1K Ultra-Lite Dispense Valve systems
• Graco SST 1K Ultra-Lite SS Machine Mount Valve
• Graco hand-held and machine-mounted dispense valves equipped with compatible flush grease fittings.
• Use with equipment that specifies OEM part 551189 in the Graco parts manual.

Product Overview

The Graco 551189 MD2 Gun, Grease 3 Oz Pistol is a genuine OEM pistol-style grease gun designed for lubricating compatible Graco dispensing equipment during routine maintenance. Its compact 3 oz grease capacity makes it ideal for precise lubrication of flush grease fittings without the bulk of a full-size grease gun.

Built for service technicians and maintenance personnel, this grease gun delivers controlled grease application to critical moving components, helping reduce friction, minimize wear, and extend the operating life of compatible Graco valves. When paired with the correct flush grease coupler, it provides clean and efficient lubrication in demanding industrial environments.

Key Features

• Genuine Graco OEM maintenance grease gun.
• Compact 3 oz reservoir for convenient handling.
• Pistol-grip design offers controlled grease delivery.
• Ideal for lubricating compatible flush grease fittings.
• Supports preventive maintenance and longer equipment service life.

Why Use the Correct Grease Gun?

Routine lubrication is essential for maintaining smooth valve operation and reducing component wear. Using the recommended OEM grease gun ensures accurate grease application, improves maintenance efficiency, and helps protect expensive dispensing equipment from premature failure.

Frequently Asked Questions