Graco 403237 Cap Plug

Compatible Machines

• Graco LineLazer Series (selected models)
• Graco Line Striping Machines with unused or optional ports
• Graco Fluid Handling & Transfer Equipment (model-specific use)

Graco 403237 Cap Plug Overview

The Graco 403237 Cap Plug is a genuine OEM sealing component designed to close off unused ports or openings on Graco equipment. It helps maintain system integrity by preventing leaks, contamination, and accidental fluid loss during operation or maintenance.

Key Functions

• Seals unused or optional ports securely
• Helps protect internal components from dust and debris
• Reduces the risk of fluid leakage
• Supports safe and clean equipment operation

Typical Applications

This cap plug is commonly used in line striping systems and other Graco fluid handling assemblies where certain outlets or access points are not required for a specific setup.

Technical Details

Frequently Asked Questions