Graco 15G103 Packing O-Ring
$2.45
In Stock
The Graco 15G103 Packing O‑Ring is an OEM replacement sealing ring for Graco spray and pump systems — used to seal fluid pathways, valves or piston housings and prevent leaks while maintaining pressure integrity.
- Part No: 15G103
- Function: Packing O‑ring / seal
- Use Case: Sealing spray/pump assemblies in Graco equipment
- OEM Grade: Genuine Graco spare part
- Benefit: Prevents leaks, ensures proper sealing and extends equipment life
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
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
| Specification | Details |
|---|---|
| Part Number | 15G103 |
| Component Type | Packing O‑Ring / Seal |
| Intended Use | Sealing fluid pathways/valves/pistons in compatible Graco spray or pump systems |
| Condition | New, OEM‑grade replacement part |
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
It acts as a sealing ring inside Graco spray or pump assemblies — sealing fluid pathways or valve/piston housing to prevent leaks and maintain internal pressure.
Yes — 15G103 is listed among Graco’s official spare parts as a packing O‑ring for spray/pump equipment.
Replace if the O‑ring shows signs of wear, cracking, flattening, or any leak around seals/valves — or after long use with abrasive coatings/solvents — to avoid fluid leaks and performance loss.
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