301.01.0009 Unloader Valves — WABCO Compatible
301.01.0009
●Port 1: 3/4" - 14 NPTF ●Port 4: - ●Port 21: 3/4 "14 NPTF ●Port 22: - ●Port 23: - ●Plugged: OK ●Cut-Out Pressure: 8,1 BAR / 0,2 BAR ●Inflation Valve: - ●Recycle Valve: OK
| EAN Code | 8683457010949 |
|---|
Description
The heavy-duty unloader valve is a critical component within the pneumatic brake system, ensuring precise pressure regulation and system stability. Designed with high-strength components, this part maintains consistent performance under demanding operational conditions to support the reliability of heavy commercial vehicle pneumatic circuits.
301.01.0009 is the OE-equivalent unloader valve used in CASE, CUMMINS, FREIGHTLINER, KENWORTH, LEYLAND, MACK, MERITOR, PACCAR, PETERBILT, VOLVO, and WABCO systems. This component is fully compatible with OEM references including WABCO 975 303 063 0, PETERBILT S 975-303-063-0, MACK 6300-9753030630, and CUMMINS 3905367.
For workshop technicians, this unit features standard 3/4" - 14 NPTF ports for Port 1 and Port 21 to ensure seamless integration. Maintenance teams should verify the cut-out pressure settings of 8,1 BAR / 0,2 BAR during routine system inspections to ensure optimal pneumatic regulation and prevent pressure drops in the braking system.
Technical Specifications
| Port 1 | 3/4" - 14 NPTF |
|---|---|
| Port 4 | - |
| Port 21 | 3/4 "14 NPTF |
| Port 22 | - |
| Port 23 | - |
| Plugged | OK |
| Cut-Out Pressure | 8,1 BAR / 0,2 BAR |
| Inflation Valve | - |
| Recycle Valve | OK |
Other OEMs
CASE
- J905367
CUMMINS
- 3905367
FREIGHTLINER
- TDAS9753030630
KENWORTH
- S975-303-063-0
LEYLAND
- 1203027
MACK
- 6300-9753030630
MERITOR
- S9753030630
PETERBILT
- S 975-303-063-0
WABCO
- 975 303 063 0
- 9753030630
Related Products
Repair Kits
Vehicles Used
| Brand | Model | Engine |
|---|---|---|
| CASE | ||
| CUMMINS | ||
| FREIGHTLINER | ||
| KENWORTH | ||
| LEYLAND | ||
| MACK | ||
| MERITOR | ||
| PACCAR | ||
| PETERBILT | ||
| VOLVO | ||
| WABCO |