301.03.0008 MAN Compatible Air Dryer Valve
301.03.0008
Summary
This air dryer valve is designed for heavy commercial vehicle brake systems, ensuring moisture removal to protect pneumatic components. It features M22x1,5, M16x1,5 VOSS, and M12x1,5 port configurations, operating at a standard pressure of 8.5 BAR. Compatible with MAN vehicles. Equivalent to OE Knorr-Bremse II19204 and MAN 81521026117.
| EAN Code | 8699031079714 |
|---|
Ready to Order
Compatible OEM Codes
-
KNORR-BREMSE
- LA 8207
- K02274
- II19205N50
- II19204N04
- II19204AT
- II19204181
- II19204
-
MAN
- 81.52102-9117
- 81.52102-6117
Description
What does an air dryer valve do?
This air dryer valve plays a critical role in the pneumatic brake system by filtering out moisture and contaminants from the compressed air supply. By preventing water buildup, it protects downstream components from corrosion and freezing, ensuring consistent braking performance for heavy commercial vehicles.Vehicle and engine compatibility
This component is specifically compatible with MAN trucks and meets requirements for MAN OE references. It is engineered to maintain system integrity under high-pressure conditions within the air brake circuit.Installation and maintenance
Installation and maintenance should be performed by a workshop technician to ensure proper sealing of the M22x1,5 and M16x1,5 VOSS ports. Regular inspections of the air dryer assembly help prevent system failures caused by moisture accumulation.System maintenance guidance
For optimal performance, ensure all connection points, including the M12x1,5 port, are secure and free from debris during assembly. Consult your authorized distributor.OE cross-reference
301.03.0008 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse and MAN OE numbers. This part directly replaces Knorr-Bremse OE numbers II19204, II19204181, II19204AT, II19204N04, II19205N50, K02274, LA8207. It also replaces MAN OE numbers 81521026117, 81521029117.Technical Specifications
| Heater | ----- |
|---|---|
| Port 1 | M22x1,5 |
| Port 21 | M22x1,5 VOSS |
| Pressure | 8,5 BAR |
| Port 22 | M16x1,5 VOSS |
| Port 4/23 | M12x1,5 |
Other OEMs
KNORR-BREMSE
- LA8207
- LA 8207
- K02274
- II19205N50
- II19204N04
- II19204AT
- II19204181
- II19204
MAN
- 81521029117
- 81521026117
- 81.52102.9117
- 81.52102.6117
- 81-52102-9117
- 81-52102-6117
- 81.52102-9117
- 81.52102-6117
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE | |||
| MAN |
FAQ
What is the function of this air dryer valve?
It removes moisture and contaminants from the compressed air within the brake system to prevent corrosion and freeze-up in pneumatic lines.
Which vehicle brands is this part compatible with?
This part is designed to be compatible with MAN vehicles and follows OE standards for their braking systems.
What are the technical port specifications?
The unit features M22x1,5 and M16x1,5 VOSS ports, along with an M12x1,5 port, designed for 8.5 BAR operating pressure.
When should I inspect the air dryer valve?
Technicians should perform regular checks to ensure moisture is being effectively purged and that all port connections remain secure.
What are the OE reference numbers of this part?
301.03.0008 directly replaces Knorr-Bremse OE numbers II19204, II19204181, II19204AT, II19204N04, II19205N50, K02274, LA8207. It also replaces MAN OE numbers 81521026117, 81521029117.