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305.01.0033-S Air Processing Unit for Knorr-Bremse Systems

305.01.0033-S

Summary

This heavy-duty Air Processing Unit is engineered for reliable air brake circuits. It provides essential functions like moisture removal and pressure regulation, making it a vital component for heavy commercial vehicle pneumatic systems. Designed for high-strength performance in demanding environments. Equivalent to OE Knorr-Bremse K011986S.

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Compatible OEM Codes

  • KNORR-BREMSE
    • ZB 4578 S
    • K056898N02 S
    • K011986N00 S
    • K011986 S

Description

What does an air processing unit do?

This Air Processing Unit serves as a critical component within the pneumatic brake system of heavy commercial vehicles. It is designed to manage compressed air from the compressor, ensuring it is properly filtered and dried before distribution. By integrating moisture removal and pressure regulation into a single housing, it maintains the integrity of the entire pneumatic circuit.

System compatibility and application

This unit is compatible with Knorr-Bremse systems and is used in various heavy commercial vehicle applications. It ensures that air supplied to the brake, suspension, and auxiliary pneumatic circuits remains clean and dry, preventing system corrosion and valve failures. The assembly is built using high-strength components to withstand harsh operating conditions.

Maintenance and inspection guidance

Maintenance of this unit typically involves inspecting the internal filtration and desiccant elements to ensure optimal moisture removal. Technicians should monitor the air pressure regulation performance to prevent system leaks or improper pressure buildup. For optimal service life, check the unit during regular pneumatic system inspections.

System performance and selection

Proper selection of an air processor is vital for maintaining consistent braking performance and system longevity.

OE cross-reference

305.01.0033-S (Air Processing Unit) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers K011986S, K011986N00S, K056898N02S, ZB4578S.

Technical Specifications

Technical Specifications
Sensor-

Other OEMs

KNORR-BREMSE

  • ZB4578 S
  • ZB 4578 S
  • K056898N02 S
  • K011986N00 S
  • K011986 S

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE

FAQ

What is the primary function of an Air Processing Unit?
It integrates several functions including air filtration, moisture removal through drying, and pressure regulation for the pneumatic circuits.
Which systems are compatible with this unit?
This unit is designed for use in heavy commercial vehicle brake systems, specifically compatible with Knorr-Bremse systems.
What are common symptoms of a failing air processor?
Technicians may notice moisture in the air lines, inconsistent pressure regulation, or issues within the auxiliary pneumatic circuits.
How should I maintain my air processing unit?
Regularly inspect the filtration components and ensure the moisture removal function is operating correctly to protect the entire brake system.
What are the OE reference numbers of this part?
305.01.0033-S directly replaces Knorr-Bremse OE numbers K011986S, K011986N00S, K056898N02S, ZB4578S.