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Graco 24K860 Large Air Valve Rebuild Kit

Comprehensive OEM rebuild kit for the large air valve assembly on Graco Husky 3300 diaphragm pumps — restores worn components to improve cycling and performance.

  • Part #: 24K860
  • Piston, detent, u‑cups & seals
  • For Husky 3300 pumps
  • OEM Graco quality
  • Improves pump cycling
  • Complete air valve rebuild kit

$179.52
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Graco 24K860 KIT REBUILD AIR VALVE LARGE

Compatible Machines / Pump Models

  • Rebuild kit for air valve assemblies of Graco Husky 3300 Air‑Operated Diaphragm Pumps
  • Large air valve rebuild configuration
  • Used when the air valve assembly shows wear or poor cycling
  • Ideal for maintenance and overhaul tasks

Product Overview

The Graco 24K860 KIT REBUILD AIR VALVE LARGE is an OEM rebuild kit that includes all internal components needed to rebuild the large air valve on Husky 3300 series diaphragm pumps. When the air valve begins to wear, performance declines; this rebuild kit restores proper air valve function and extends pump life.

Feature Specification
Part Number 24K860
Kit Type Air Valve Rebuild Kit (Large)
Pump Series Husky 3300
Includes Piston, detent, u‑cups, seals & springs
OEM Part Yes — Graco Genuine

Key Benefits

  • Restores worn air valve components for smoother cycling.
  • Includes all major internal parts for thorough rebuild.
  • OEM Graco quality for accurate fitment.
  • Improves pump performance and reduces air waste.

Installation & Service Tips

  • Always depressurize the pump before service.
  • Follow rebuild sequence in Husky service manual.
  • Inspect housing for wear before installing new components.
  • Use proper lubrication on moving parts.
  • Reassemble slowly to ensure correct orientation of all parts.

Frequently Asked Questions

The rebuild kit typically includes piston, detent parts, springs, seals, u‑cups and related internal components.

You may replace seal components separately, but a full rebuild kit ensures consistent performance.

Yes — rebuilding worn internal components often restores smoother cycling and better performance.

Consult your Husky 3300 pump manual for detailed rebuild instructions and torque specifications.

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