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Graco 158659 Stud Swivel

Graco 158659 Stud Swivel ensures smooth hose rotation and prevents twisting in high-pressure airless systems. Ideal for maintaining consistent spray performance and extending hose life.

  • Durable stainless-steel construction
  • Rated up to 3000 PSI
  • Compatible with Graco Ultra, GMAX, and Mark Series
  • Easy direct-fit installation

$63.13
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Graco 158659 Stud Swivel – Precision Rotary Connector for Professional Sprayers

The Graco 158659 Stud Swivel is a precision-engineered joint that enables smooth hose rotation and reduces strain in high-pressure systems. Designed for durability, it ensures consistent fluid flow in demanding spray applications.

Compatible Machines

This part is designed to work with multiple Graco Airless Sprayers and high-pressure systems. Commonly used in:

  • Graco Ultra 395, 490, 495, 595 Airless Sprayers
  • Graco GMAX II 5900 & 7900 Series
  • Graco DutyMax EH230, GH300
  • Graco Mark V, Mark X ProContractor Series
  • Other compatible high-pressure Graco spray guns and manifolds

Product Highlights

Part Number 158659
Function High-pressure swivel connection for hoses and spray systems
Material Hardened stainless steel with nickel-chrome plating
Operating Pressure Up to 3000 PSI (tested for burst conditions up to 5000 PSI)
Seal Type Dual-stage fluorinated elastomer seal
Features Corrosion-resistant finish, precision-ground bearings, leak-proof assembly

Key Benefits

  • Prevents hose twisting and torque feedback during spraying
  • Supports both water-based and solvent-based materials
  • Reduces maintenance with long-lasting seals and bearings
  • Easy installation with direct fit to standard Graco manifolds

Installation Tips

  • Ensure threads and sealing surfaces are clean before assembly
  • Torque to manufacturer’s specification (40–60 in-lb)
  • Leak test the system after installation

Frequently Asked Questions

It connects hoses and spray components while allowing rotation, preventing hose twisting and improving flexibility during operation.

It fits most mid- to large-frame Graco airless sprayers such as Ultra, GMAX, DutyMax, and Mark series. Always verify with your sprayer’s manual before installation.

The swivel is rated for use with both water-based and solvent-based coatings, adhesives, and lubricants.

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