301.03.0031 KNORR-BREMSE Complete, Air Dryer Valve
301.03.0031
Summary
●Heater: 24 V ●Port 1: M22x1,5 ●Port 21: M22x1,5 ●Pressure: 8,1 BAR ●Port 22: M12x1,5 ●Port 4/23: M12x1,5
| EAN Code | 8699031079943 |
|---|
Ready to Order
Compatible OEM Codes
- KNORR-BREMSE LA 8237 K188237N50 II30451N50 II30451
Description
The high-strength components of this air dryer valve ensure reliable performance within the pneumatic brake system. Designed for heavy commercial vehicle applications, it maintains consistent pressure regulation under demanding operating conditions.
This product is the OE equivalent of the KNORR-BREMSE II30451, II30451N50, K188237N50, and LA8237 air dryer valves used in KNORR-BREMSE systems. The 301.03.0031 is engineered to meet precise technical standards for durability and system stability.
The unit features a 24 V heater and specific port configurations including M22x1,5 and M12x1,5 to ensure seamless integration. Technicians should verify the port sizes and pressure ratings during installation to maintain optimal braking performance.
Maintaining the air dryer is critical for preventing moisture buildup in the pneumatic circuit. Regular inspection of the valve assembly helps ensure the longevity of the entire brake system.
This product is the OE equivalent of the KNORR-BREMSE II30451, II30451N50, K188237N50, and LA8237 air dryer valves used in KNORR-BREMSE systems. The 301.03.0031 is engineered to meet precise technical standards for durability and system stability.
The unit features a 24 V heater and specific port configurations including M22x1,5 and M12x1,5 to ensure seamless integration. Technicians should verify the port sizes and pressure ratings during installation to maintain optimal braking performance.
Maintaining the air dryer is critical for preventing moisture buildup in the pneumatic circuit. Regular inspection of the valve assembly helps ensure the longevity of the entire brake system.
Technical Specifications
| Heater | 24 V |
|---|---|
| Port 1 | M22x1,5 |
| Port 21 | M22x1,5 |
| Pressure | 8,1 BAR |
| Port 22 | M12x1,5 |
| Port 4/23 | M12x1,5 |
Other OEMs
KNORR-BREMSE
- LA8237
- LA 8237
- K188237N50
- II30451N50
- II30451
Related Products
Repair Kits
Vehicles Used
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What are the compatible OEM references for this part?
This part is compatible with the following OE numbers: II30451, II30451N50, K188237N50, LA8237.
Does this air dryer valve require a specific voltage?
Yes, this specific model is designed for a 24 V electrical system.
What are the connection specifications for the ports?
The unit features Port 1 and Port 21 with M22x1,5 threads, and Port 22 and Port 4/23 with M12x1,5 threads.
Is this part suitable for heavy commercial vehicle brake systems?
Yes, it is designed for heavy commercial vehicle pneumatic brake systems to ensure reliable operation.
How can I identify if this is the correct replacement for my system?
Please verify your current system's port sizes (M22x1,5 and M12x1,5) and check against the listed OEM cross-references.