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Graco 866322 Differential Screw

The Graco 866322 Differential Screw is a precision OEM fastener that secures differential or valve components in Graco pump assemblies, ensuring reliable performance and alignment.

  • Part Number: 866322
  • Type: Differential screw
  • Function: Secures and positions differential/valve parts
  • Use: Internal pump and valve assemblies in Graco sprayers
  • Compatible With: Industrial, cart, and stationary airless sprayer pumps

Retail Price: $36.1
You save: $0.72 (1.99%)
Our Price: $35.38
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About the Graco 866322 Differential Screw

The Graco 866322 Screw, Differential is a genuine OEM fastener used in precision fluid pump mechanisms and valve/differential assemblies in select Graco sprayers and professional pump systems. It secures components where controlled differential movement or positioning is required.

Compatible Machines

This differential screw is listed in OEM parts diagrams and service breakdowns for Graco pump and sprayer assemblies that require this specific screw in internal mechanisms:

  • Graco Industrial & Heavy‑Duty Airless Sprayers that use precision differential components in their fluid sections. :contentReference[oaicite:0]{index=0}
  • Graco Cart & Stationary Sprayer Pumps with serviceable differential mounts and fluid controls. :contentReference[oaicite:1]{index=1}
  • Professional Fluid Delivery Equipment requiring differential screws in valve or pump structures for reliable operation. :contentReference[oaicite:2]{index=2}

Technical Specifications

Part Number 866322
Component Type Differential screw
Function Secures and positions differential assembly parts
Use OEM fastener in Graco pump/valve assemblies
Compatibility Industrial and heavy-duty sprayers/pump systems

Frequently Asked Questions

It’s a precision mounting/fastening screw used in assemblies where differential movement or alignment between parts (such as in valves or fluid control systems) needs to be secured. :contentReference[oaicite:3]{index=3}

Check your machine’s **parts diagram** and look for part number *866322* in the pump or valve section. If it’s listed, this screw is a proper OEM replacement. :contentReference[oaicite:4]{index=4}

Yes — the 866322 Screw, Differential is a genuine Graco OEM fastener used in official parts lists and service manuals. :contentReference[oaicite:5]{index=5}

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