305.01.0021-S Air Processing Unit for Knorr-Bremse systems
305.01.0021-S
Summary
This air processing unit is designed for heavy commercial vehicle brake systems. It functions as an integrated solution for air filtration, moisture removal, and pressure regulation within the pneumatic circuit, ensuring reliable performance in harsh operating conditions. Equivalent to OE Knorr-Bremse K002735S.
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Compatible OEM Codes
-
KNORR-BREMSE
- ZB 4802 S
- K069101 S
- K002735 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 integrates several vital functions including air filtration, moisture removal, and precise pressure regulation into a single, durable housing to ensure the stability of the pneumatic circuits.System compatibility and function
This unit is compatible with Knorr-Bremse systems and is engineered to manage compressed air from the compressor to the brake, suspension, and auxiliary circuits. It is designed to withstand heavy-duty operating environments by maintaining clean, dry air throughout the system.Maintenance and inspection
Maintenance of this unit involves monitoring the internal filtration and desiccant components to ensure continuous moisture removal. Technicians should inspect the housing and connection points during routine pneumatic system checks to prevent pressure drops or moisture contamination in the lines.Selection guidance
Proper selection ensures the unit maintains correct pressure regulation across all connected circuits. Consult your authorized distributor to confirm exact fitment for your specific vehicle application.OE cross-reference
305.01.0021-S (Air Processing Unit) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers K002735S, K069101S, ZB4802S.Technical Specifications
| Sensor | - |
|---|
Other OEMs
KNORR-BREMSE
- ZB4802 S
- ZB 4802 S
- K069101 S
- K002735 S
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What is the primary function of an air processing unit?
It integrates air filtration, moisture removal (drying), and pressure regulation into one housing to serve the brake and suspension circuits.
Which systems are compatible with this unit?
This unit is designed for use in heavy commercial vehicle brake systems and is compatible with Knorr-Bremse systems.
How can I identify a failing air processing unit?
Symptoms may include moisture in the air lines, inconsistent pressure regulation, or visible leaks within the pneumatic circuit.
What maintenance is required for these units?
Technicians should check the integrity of the housing and ensure that any replaceable filter or desiccant components are functioning correctly.
What are the OE reference numbers of this part?
305.01.0021-S directly replaces Knorr-Bremse OE numbers K002735S, K069101S, ZB4802S.