301.03.0026 Compatible Air Dryer Valve
301.03.0026
Summary
This high-strength air dryer valve is engineered for heavy commercial vehicle brake systems. It features M22x1,5 and M12x1,5 port configurations and is designed to operate at 7,8 BAR to ensure consistent pneumatic performance in demanding environments. Equivalent to OE Knorr-Bremse II30445.
| EAN Code | 8699031079899 |
|---|
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Compatible OEM Codes
-
KNORR-BREMSE
- LA 8231
- II31478N50
- II30445N00
- II30445AT
- II30445
Description
This air dryer valve plays a critical role in maintaining the integrity of the pneumatic brake system by managing air flow and moisture removal. By regulating pressure and helping to eliminate contaminants, it protects downstream braking components from corrosion and prevents freeze-up during operation. Using high-strength components ensures long-term reliability in heavy commercial vehicle applications.
This component is designed for compatibility with Knorr-Bremse systems. It features specific port dimensions including M22x1,5 and M12x1,5 to ensure precise integration into the existing air circuit. The unit is rated for a pressure of 7,8 BAR to maintain stable pneumatic regulation.
For proper installation, technicians should verify that all port connections are clean and seated correctly. Regular inspection of the valve and associated lines is recommended to prevent moisture ingress or pressure drops. Ensure that the port sizes match the vehicle's existing pneumatic architecture during replacement.
Consult your authorized distributor to confirm exact fitment for your specific heavy commercial vehicle application.
This component is designed for compatibility with Knorr-Bremse systems. It features specific port dimensions including M22x1,5 and M12x1,5 to ensure precise integration into the existing air circuit. The unit is rated for a pressure of 7,8 BAR to maintain stable pneumatic regulation.
For proper installation, technicians should verify that all port connections are clean and seated correctly. Regular inspection of the valve and associated lines is recommended to prevent moisture ingress or pressure drops. Ensure that the port sizes match the vehicle's existing pneumatic architecture during replacement.
Consult your authorized distributor to confirm exact fitment for your specific heavy commercial vehicle application.
OE cross-reference
301.03.0026 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers II30445, II30445AT, II30445N00, II31478N50, LA8231.Technical Specifications
| Heater | ----- |
|---|---|
| Port 1 | M22x1,5 |
| Port 21 | M22x1,5 |
| Pressure | 7,8 BAR |
| Port 22 | M12x1,5 |
| Port 4/23 | M12x1,5 |
Other OEMs
KNORR-BREMSE
- LA8231
- LA 8231
- II31478N50
- II30445N00
- II30445AT
- II30445
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What is the primary function of this air dryer valve?
It manages the air flow within the pneumatic system to help remove moisture and contaminants, protecting the braking system from corrosion.
What are the port specifications for this component?
The unit is equipped with M22x1,5 ports (Port 1 and Port 21) and M12x1,5 ports (Port 22 and Port 4/23).
What is the rated operating pressure?
This air dryer valve is designed for operation at a pressure of 7,8 BAR.
Which systems is this component compatible with?
This part is engineered to be compatible with Knorr-Bremse systems used in heavy commercial vehicles.
What are the OE reference numbers of this part?
301.03.0026 directly replaces Knorr-Bremse OE numbers II30445, II30445AT, II30445N00, II31478N50, LA8231.