Graco 15G103 Packing O-Ring

Product Overview

The Graco 15G103 Packing O‑Ring is an OEM‑grade sealing ring used in various Graco spray, pump or fluid‑handling assemblies. It serves to seal fluid pathways and moving parts (such as pistons, valves or packing housings), preventing leaks and maintaining internal pressure integrity — critical for safe and efficient spray or pump operation. When installed properly, this O‑ring helps ensure reliable sealing and extends the service life of the equipment.

Key Features

• OEM‑quality seal: Genuine Graco packing O‑ring, ensuring proper fit and compatibility with original parts.
• Leak prevention: Provides tight sealing to prevent fluid leakage and maintain pressure integrity in pump/spray systems.
• Durable construction: Made from elastomeric material suitable for repeated cycles and exposure to coatings or solvents.
• Compact & versatile: Small, easy to handle and can be used in various compatible Graco assemblies requiring part 15G103.
• Easy replacement: Simple to install during maintenance or rebuild — helps restore sealing performance and system reliability.

Specifications

Maintenance & Installation Notes

• Ensure the sprayer/pump is depressurized and fluid supply is off before removing or replacing the O‑ring.
• Clean the sealing surfaces thoroughly — remove any residue, debris or old seal material to ensure a proper seal.
• Inspect the O‑ring for nicks, cuts or deformation before installation — never reuse a damaged O‑ring.
• Lubricate the O‑ring lightly with compatible lubricant (as per manufacturer recommendations) before installation to ease fitting and prevent damage.
• After installation, run a test pressure or fluid cycle to check for leaks and ensure sealing integrity before full operation.

Frequently Asked Questions