Graco 115079 O-Ring Packing

The Graco 115079 O‑Ring Packing is a genuine sealing ring used in Graco pumps and spray systems to maintain leak‑proof joints and stable fluid or paint flow.

OEM O‑ring seal for Graco equipment
Ensures leak‑proof sealing under pressure
Used in pumps, spray guns, fluid lines or internal housings
Essential for reliable fluid or paint delivery and maintenance

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Description

About the Graco 115079 O‑Ring Packing

The Graco 115079 O‑Ring Packing is a genuine OEM sealing ring designed to provide fluid‑tight sealing and pressure integrity in Graco spray, pump, and fluid‑handling systems.

Compatible Assemblies / Use‑Cases

Graco airless sprayers using O‑ring seals in pump or fluid‑transfer assemblies
Spray guns, dispensing valves or pump heads requiring leak‑proof sealing
Any Graco fluid‑handling or coating equipment where part 115079 is specified

Product Details

Part Number	115079
Description	O‑Ring Packing / Seal Ring
Function	Provides leak‑proof sealing and maintains pressure/fluid integrity
Typical Use	Pumps, spray‑guns, fluid lines, internal housings needing O‑ring seals
OEM Status	Genuine Graco part — ensures correct fit & performance

Why Use This O‑Ring?

Ensures leak‑proof sealing & pressure integrity
OEM‑specified — correct size/material for Graco equipment
Prevents fluid or paint leaks under pressure or repeated use
Essential for maintenance or rebuild of spray, pump or fluid systems

Frequently Asked Questions

The O‑ring provides a tight seal in fluid chambers, hoses or pump housings — preventing leaks and ensuring pressure/flow integrity during spraying or fluid handling.

It’s not recommended. Generic O‑rings may not match the exact dimension or material requirements of Graco equipment — incorrect sealing can cause leaks or system failure.

It’s commonly used in Graco spray guns, pump systems, and fluid‑delivery assemblies that require O‑ring seals for reliable operation under pressure.