81521166023 Compatible Relay Valve for MAN
303.01.0005
Summary
This high-strength relay valve is designed for heavy commercial vehicle brake systems, specifically compatible with MAN trucks. It features M22x1.5 and M16x1.5 port configurations and supports a maximum operating pressure of 8 bar to ensure reliable pneumatic braking performance. Equivalent to OE MAN 81521166023.
| 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 managing air pressure distribution to ensure consistent braking force. Built with high-strength components, it is designed to withstand the demanding operating conditions found in heavy commercial vehicles.Vehicle and engine compatibility
This component is specifically fitted to MAN trucks and maintains high performance within the brake system architecture. It ensures precise air modulation to support reliable stopping power across various driving scenarios.Installation and maintenance
Installation requires careful attention to the port sizes, which are M22x1.5 and M16x1.5, ensuring a secure connection to the pneumatic lines. Technicians should verify that the system pressure does not exceed the 8 bar maximum limit during testing.System performance and troubleshooting
Regular inspection of the valve ports and connections can help prevent air leaks and maintain optimal braking response times throughout the service interval.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 81521166023.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?
This valve regulates air pressure within the pneumatic brake system, ensuring that braking force is applied effectively and reliably to the vehicle's braking components.
Which vehicles is this part compatible with?
This specific component is designed for use in MAN trucks and is compatible with their integrated heavy-duty brake systems.
What are the technical port specifications?
The unit is designed with an M22x1.5 port for primary connection and M16x1.5 ports for secondary air routing, supporting a maximum pressure of 8 bar.
How can I identify if the valve needs replacement?
Technicians should look for signs of pneumatic leaks at the M22 or M16 ports or inconsistencies in brake application timing which may indicate internal wear.
What are the OE reference numbers of this part?
303.01.0005 directly replaces MAN OE number 81521166023.