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Graco 116866 Backup Ring

The Graco 116866 Ring Backup is a genuine OEM component that supports seal alignment and prevents leaks in high-pressure Graco sprayers.

  • Compatible with Ultra Max II, GMax, and Mark Series sprayers
  • Durable polymer material for long service life
  • Prevents seal deformation and fluid loss
  • Easy OEM-fit replacement
  • Enhances pump reliability and performance

$61.16
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Graco 116866 Ring Backup – Genuine OEM Replacement for Graco Sprayers

Compatible Machines

  • Graco Ultra Max II Series
  • Graco GMax Series
  • Graco Mark Series
  • Graco 390, 395, and 490 Airless Sprayers

Product Overview

The Graco 116866 Ring Backup is an authentic OEM part designed to maintain tight sealing and prevent leaks in high-pressure sprayer systems. Its durable polymer design ensures reliable performance and proper alignment of sealing components.

This backup ring acts as a support between seals, helping reduce wear, extend service life, and maintain consistent pressure output in your sprayer.

Key Features

Part Number 116866
Manufacturer Graco
Part Type Backup Ring
Material High-quality polymer blend
Function Prevents seal damage and fluid leaks
Installation Simple drop-in replacement for OEM fit

Why Choose Genuine Graco Parts?

  • Ensures full compatibility with Graco sprayers
  • Prevents costly damage from low-quality substitutes
  • Engineered to maintain high-pressure system performance
  • Trusted OEM build for long-term durability

Frequently Asked Questions

The Graco 116866 Ring Backup supports the seals inside your sprayer’s fluid section, preventing leaks and maintaining consistent pressure during use.

Yes, this OEM backup ring is compatible with Ultra Max II models along with GMax and Mark Series sprayers.

Replace the backup ring when you experience fluid leaks, inconsistent spray patterns, or after routine maintenance intervals as suggested in your sprayer manual.

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