301.03.0053 Air Dryer Valve for Knorr-Bremse systems
301.03.0053
Summary
This 24V air dryer valve is designed for heavy commercial vehicle brake systems. It features M22x1.5 and M12x1.5 port configurations and operates at a pressure of 12.5 BAR, ensuring efficient moisture removal to protect pneumatic components. Compatible with Knorr-Bremse systems. Equivalent to OE Knorr-Bremse II39740F.
| EAN Code | 8699031080161 |
|---|
Ready to Order
Compatible OEM Codes
-
KNORR-BREMSE
- LA 8288
- II39740FN50
- II39740F
Description
What does an air dryer valve do?
This air dryer valve plays a critical role in the pneumatic brake system by managing air quality and moisture removal. By regulating the discharge of contaminants, it helps prevent corrosion and freezing within the air lines, ensuring consistent braking performance for heavy commercial vehicles.Technical specifications and compatibility
This component is designed to function within Knorr-Bremse systems. It features a 24V heater to prevent moisture buildup in cold climates, M22x1.5 ports, and an M12x1.5 port/4/23 connection, maintaining stable operation at 12.5 BAR pressure.Installation and maintenance
For optimal maintenance, technicians should inspect the valve for leaks and ensure the heater circuit is functioning correctly to avoid ice formation in the lines. Proper installation ensures the integrity of the entire air brake system.System reliability
Consult your authorized distributor for fitment verification.OE cross-reference
301.03.0053 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers II39740F, II39740FN50, LA8288.Technical Specifications
| Heater | 24 V |
|---|---|
| Port 1 | M22x1,5 |
| Port 21 | M22x1,5 |
| Pressure | 12,5 BAR |
| Port 22 | - |
| Port 4/23 | M12x1,5 |
Other OEMs
KNORR-BREMSE
- LA8288
- LA 8288
- II39740FN50
- II39740F
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What is the function of this air dryer valve?
It manages the removal of moisture and contaminants from the compressed air system to protect brakes from corrosion and freezing.
What are the technical port specifications?
The unit features M22x1.5 ports (Port 1 and 21) and an M12x1.5 port (Port 4/23) for system integration.
Does this valve include a heater?
Yes, this model is equipped with a 24V heater to ensure reliable operation during cold weather conditions.
What is the maximum operating pressure?
This component is rated for operation at a pressure of 12.5 BAR to maintain consistent pneumatic performance.
What are the OE reference numbers of this part?
301.03.0053 directly replaces Knorr-Bremse OE numbers II39740F, II39740FN50, LA8288.