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KB-428-1 Replacement Regulator Kit, Use With: KB-555 KBII Pr - DeVilbiss

Part #: KB-428-1

Maintain the optimal performance of your professional spray equipment with the DeVilbiss KB-428-1 Replacement Regulator Kit. This essential kit is engineered as a direct replacement regulator, without the body, for the DeVilbiss HARG-510 Air Regulator and is designed for seamless integration with the DeVilbiss KB-555 KBII Pressure Cup systems. It ensures precise air and fluid control, critical for consistent material application in demanding automotive and industrial environments.

Key Features

  • Direct OEM Replacement: Specifically designed by DeVilbiss as a genuine replacement regulator for the HARG-510 Air Regulator and compatible with KB-555 KBII Pressure Cups.
  • Restores Performance: Replaces worn or damaged internal components to re-establish accurate air and material pressure control.
  • Complete Kit: Includes all necessary gaskets and O-rings for a thorough and reliable repair, ensuring a tight seal and preventing leaks.
  • Ensures Consistent Atomization: Vital for maintaining the precise control over atomization air and material pressure that professional applications demand, particularly when working with viscous coatings.
  • Durable Construction: Manufactured with professional-grade materials to withstand the rigors of daily use in busy workshops and industrial settings.

Applications

The DeVilbiss KB-428-1 Replacement Regulator Kit is indispensable for professional technicians and mechanics involved in:

  • Automotive Refinishing: Critical for maintaining the exact pressure settings required for high-quality paint application and clear coats.
  • Industrial Coatings: Ideal for applications requiring precise material delivery, such as primers, sealers, and other heavy-bodied industrial finishes.
  • Equipment Maintenance: Essential for extending the lifespan and efficiency of DeVilbiss KB-555 KBII Pressure Cups and HARG-510 Air Regulators in any professional spray setup.
  • Specialized Spraying: Perfect for controlling the application of more viscous materials in smaller quantities where a 2-quart capacity is suitable.
We have 55 in stock
List: $47.58 Save: $3.99

$43.59

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  • Model: 423771
  • Shipping Weight: 0.15lbs
  • UPC: 5021845007288
  • Manufacturers Part #: KB-428-1
  • Manufactured by: DeVilbiss
  • Also Known As: DYMKB-428-1

This product was added to our catalog on Tuesday 12 May, 2026.

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