81521166020 MAN Compatible Relay Valve
303.01.0005
Summary
This heavy-duty relay valve is designed for MAN brake systems, featuring M22x1,5 and M16x1,5 port configurations. Engineered for reliable pneumatic performance with a maximum operating pressure of 8 bar in commercial vehicle applications. Equivalent to OE MAN 81521166020.
| EAN Code | 8699031073668 |
|---|
Ready to Order
Compatible OEM Codes
-
MAN
- N2.52116-9100
- 81.52116-9045
- 81.52116-6045
- 81.52116-6023
- 81.52116-6022
- 81.52116-6021
- 81.52116-6020
- 81.43609-6005
- 09.73001-0207
-
MERCEDES BENZ
- 003 429 59 44
- 003 429 53 44
- 003 429 16 44
- 002 429 84 44
- 001 429 91 44
- 001 429 68 44
- 001 429 08 44
- 000 429 30 44
-
IVECO
- 42159063
- 42071349
- 42043782
- 42033849
- 42033847
-
RENAULT TRUCKS
- 5021170452
- 5000243949
-
DAF
- 1325332R
- 1325332
-
WABCO
- 973 001 020 0
-
VOLVO
- 6886834
-
SCANIA
- 1935625
-
SAF
- 5400011400
-
NEOPLAN
- 110242200
-
FAUN
- 1614106
Description
What does a relay valve do?
This relay valve plays a critical role in the pneumatic brake system by controlling air pressure distribution to the brake chambers. It ensures rapid response and precise braking force, maintaining the safety and stability of heavy commercial vehicles during operation.Vehicle and system compatibility
This component is specifically compatible with MAN vehicles. It is designed to meet the rigorous demands of professional transport, ensuring consistent performance under heavy loads. Check the compatibility list.Installation and maintenance
The unit features specific port dimensions including an M22x1,5 primary port and M16x1,5 secondary ports. For proper installation, technicians should verify that the system pressure does not exceed the 8 bar maximum rating to ensure component longevity.System maintenance guidance
Regular inspection of the pneumatic connections and port seals is recommended to prevent air leaks. Maintaining clean air supply within the system helps prevent premature wear of internal components.OE cross-reference
303.01.0005 (Relay Valve Relay Valves) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81521166020.Technical Specifications
| Port 1 | M22x1,5 |
|---|---|
| Port 2 | M16x1,5 |
| Port 4 | M16x1,5 |
| Pressure | MAX 8 BAR |
Other OEMs
DAF
- 1325332R
- 1325332
FAUN
- 1614106
IVECO
- 42159063
- 42071349
- 42043782
- 42033849
- 42033847
MAN
- N2521169100
- N2.52116.9100
- 9730010207
- 81521169045
- 81521166045
- 81521166023
- 81521166022
- 81521166021
- 81521166020
- 81436096005
- 81.52116.9045
- 81.52116.6045
- 81.52116.6023
- 81.52116.6022
- 81.52116.6021
- 81.52116.6020
- 81.43609.6005
- N2.52116-9100
- 81.52116-9045
- 81.52116-6045
- 81.52116-6023
- 81.52116-6022
- 81.52116-6021
- 81.52116-6020
- 81.43609-6005
- 09.73001-0207
MERCEDES BENZ
- A0034295944
- A0034295344
- A0034291644
- A0024298444
- A0014299144
- A0014296844
- A0014290844
- A0004293044
- 0034295944
- 0034295344
- 0034291644
- 003.429.5944
- 003.429.59.44
- 003.429.5344
- 003.429.53.44
- 003.429.1644
- 003.429.16.44
- 003 429 5944
- 003 429 5344
- 003 429 1644
- 0024298444
- 002.429.8444
- 002.429.84.44
- 002 429 8444
- 0014299144
- 0014296844
- 0014290844
- 001.429.9144
- 001.429.91.44
- 001.429.6844
- 001.429.68.44
- 001.429.0844
- 001.429.08.44
- 001 429 9144
- 001 429 6844
- 001 429 0844
- 0004293044
- 000.429.3044
- 000.429.30.44
- 000 429 3044
- 003 429 59 44
- 003 429 53 44
- 003 429 16 44
- 002 429 84 44
- 001 429 91 44
- 001 429 68 44
- 001 429 08 44
- 000 429 30 44
NEOPLAN
- 110242200
RENAULT TRUCKS
- 5021170452
- 5000243949
SAF
- 5400011400
SCANIA
- 1935625
VOLVO
- 6886834
WABCO
- 9730010200
- 973.001.020.0
- 973 001 020 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| DAF | |||
| FAUN | |||
| IVECO | |||
| MAN | |||
| MERCEDES BENZ | |||
| NEOPLAN | |||
| RENAULT TRUCKS | |||
| SAF | |||
| SCANIA | |||
| VOLVO | |||
| VOLVO | B10B | D10A | |
| VOLVO | B10M | D10A | |
| VOLVO | B10M | TD100 | |
| VOLVO | B12 | D12A | |
| VOLVO | B12 | TD120 | |
| VOLVO | F10 | TD100 | |
| VOLVO | F10 | TD101 | |
| VOLVO | F10 | TD102 | |
| VOLVO | F12 | TD120 | |
| VOLVO | F12 | TD121 | |
| VOLVO | F12 | TD122 | |
| VOLVO | F7 | TD70 | |
| VOLVO | F7 | TD71 | |
| VOLVO | FL10 | D10A | |
| VOLVO | FL10 | TD102 | |
| VOLVO | FL10 | TD103 | |
| VOLVO | FL12 | TD122 | |
| VOLVO | FL12 | TD123 | |
| VOLVO | N10 | TD100 | |
| VOLVO | N10 | TD101 | |
| VOLVO | N12 | TD120 | |
| VOLVO | N12 | TD122 | |
| VOLVO | NL10 | D10A | |
| VOLVO | NL12 | D12A | |
| WABCO |
FAQ
What is the function of this relay valve?
The relay valve manages air pressure within the braking system to ensure timely and efficient application of braking force to the wheels.
What are the technical port specifications?
This component features one M22x1,5 port and two M16x1,5 ports, designed for specific pneumatic connections.
What is the maximum operating pressure?
This relay valve is rated for a maximum operating pressure of 8 bar within the vehicle's pneumatic system.
Which vehicles is this component compatible with?
This part is designed for use in MAN vehicles to maintain optimal braking performance.
What are the OE reference numbers of this part?
303.01.0005 directly replaces MAN OE number 81521166020.