Graco 188118 Plug Bung

Graco 188118 Plug Bung – OEM Seal Component for Spray Systems

Compatible Machines

• Graco Airless Paint Sprayers with bung/drum port configurations (verify exact model parts diagram)
• Graco Reactor Spray Foam Systems using bung adapters and seals
• Graco Transfer Pump Systems that accept 188-series bung plugs
• Other Graco industrial and high-pressure fluid dispensing machines requiring a bung plug (check port size)

The Graco 188118 Plug Bung is a genuine OEM part designed to provide a reliable seal in airless and fluid handling systems where a port or bung opening must be closed off. Its durable construction helps prevent leaks and blockages that could compromise spraying performance or fluid circulation. :contentReference[oaicite:1]{index=1}

Key Features

• Direct OEM replacement — ensures proper fit and sealing performance
• Durable construction — withstands pressures seen in professional airless systems
• Easy installation — no special tools required
• Leak prevention — protects pump and fluid circuits during operation or storage

Installation & Usage Tips

• Before installing, clean the port or bung area to remove debris or old sealing residue.
• Press the plug bung firmly into place until fully seated; avoid excessive force that could deform the seal.
• On difficult access points, use a soft-prong tool to aid seating or removal without damage.
• Always verify seal integrity before pressurizing your system.

Frequently Asked Questions