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With immediate effect please select the 'replaced by' part number when entering an order for the following part numbers:
K019309B90 replaced by K019309V06N50, K019319B90 replaced by K019319V06N50, K055369B90 replaced by K055369V05N50, K055379B90 replaced by K055379V05N50, K110619B90 replaced by K110619V04N50

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Knorr-Bremse air dryer cartridges for clean compressed air systems

The air is clean! Air dryer cartridges with and without oil separators from Knorr-Bremse provide clean and dry air to the system. For safe braking. Every time. For a long vehicle life.

The top choice in filter technology

With over 30 million air dryer cartridges produced, Knorr-Bremse is a market leader in the filter technology area. Thanks to over 20 years of experience in air treatment, we know what workshops, distributors and fleet operators want: reliable, efficient air dryer cartridges with high filtration performance and low exchange intervals.

Reliable safety

Our mission is to get commercial vehicles back on the road quickly and safely. To do so, Knorr-Bremse uses optimal technology and outstanding materials in all of the air treatment systems it makes. Ours is a formula for success, and OSC cartridges from Knorr-Bremse achieve top results in functional tests on the test bench. The highest quality, for the best safety.


The right cartridge for any use

Knorr-Bremse TruckServices offers solutions for most commercial vehicles. Because of this, we offer high-quality air dryer cartridges to fit any vehicle type, depending on air consumption and remaining service life. You can choose from:

  • Conventional desiccant cartridges for applications with low air consumption
  • Premium OSC air dryer cartridges with oil separators for mechatronic air drying systems and braking systems with high air consumption
  • Remanufactured EconX OSC air dryer cartridges for older commercial vehicles with a shorter remaining service life12