Commercial Vehicle Solutions

Air Dryers

The ZF System Saver family of air dryers is engineered for optimized performance with less energy

Key Facts

Strong Reliability

Offers the most reliable protection for air brake systems

Quality Components

Made of high-grade materials and rigorously tested

Leading Performance

Top exchange intervals and oil separation with ProtectorPLUS

Proven Technology

Millions of cartridges on the road

What can Air Dryers provide?

ZF was the first to introduce to the automotive market an air dryer cartridge with an integrated coalescing function that separates humidity and fine oil aerosols to protect the air system. The Air System Protector uses space-saving coalescing fleece filters to provide excellent oil separation performance without compromising the cartridge’s drying performance.


System Saver HP

  • The compact, lightweight dryer features a cartridge-style governor and purge valve. It is optimized for an industry-leading low number of components to offer higher drying capacity, easy installation and simple maintenance. Two mounting options accommodate the vast majority of vehicle configurations.
  • 14% lighter compared to other leading manufacturer’s lightest model and 30% lighter than our previous generation
  • Internal governor simplifies plumbing, reduces overall installed cost and has improved functionality and faster response timing
  • 13% better drying capacity compared to other leading manufacturer’s most efficient model
  • Internal purge volume does not use system air for regeneration, maximizing available air for braking, suspension and transmission

System Saver 1200 Plus

  • Internal purge volume does not use system air for regeneration, maximizing available air for braking, suspension and transmission
  • Internal governor to simplify plumbing, reduce overall installed cost, and has improved functionality and faster response timing
  • 100-watt heater available for 12-volt or 24-volt applications
  • Two mounting options to accommodate various vehicle configurations and is a compact, lightweight design for easy installation
  • Common external service components proven for reliability and quality, allowing for easy replacement

Other Air Dryers

Functions with standard brake systems and requires no additional purge volume reservoirs
Available with turbo cut-off valve to prevent leakage of turbo boost pressure and use of discharge line unloading options

System Saver P Air Dryers
  • For use with a dedicated purge volume reservoir
  • Ideal for applications calling for frequent starts and stops and long compressor cycles
System Saver TWIN Air Dryer
  • Sequential two-cartridge system allows one to regenerate while the other continues to dry the air
  • Designed for compressors that operate almost continuously


System Saver High Performance Air Dryer sheet

System Saver High Performance Air Dryer brochure

WABCO Service Parts Catalog

WABCO Service Parts Catalog


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