81521309043 Check Valve for MAN Trucks
303.15.0001
Summary
This heavy-duty check valve is designed for MAN heavy commercial vehicle brake systems. It features three M22x1.5 ports and is rated for a maximum operating pressure of 10 bar, ensuring reliable pneumatic flow control in demanding environments. Equivalent to OE MAN 81521309043.
| EAN Code | 8699031062365 |
|---|
Ready to Order
Compatible OEM Codes
-
MAN
- N1.01101-7274
- 81.52130-9052
- 81.52130-9043
- 81.52130-6088
- 81.52130-6052
- 81.52130-6043
-
RENAULT TRUCKS
- 5021170109
- 5000039183
- 5000039138
-
STEYR
- 99000362200
- 79100360031
-
KÖGEL
- 77398
- 5029552
-
ZF
- 0501 203 261
-
WABCO
- 434 208 000 0
-
VOLVO
- 79379137
-
VOLKSWAGEN TRUCK
- 600607265
-
OTOKAR
- AIF0078
-
NEOPLAN
- 371VE033
-
MERCEDES BENZ
- 001 429 24 44
-
IVECO
- 4457865
-
FAUN
- 99701438439
-
DAF
- 1517988
Description
What does a check valve do?
This check valve serves as a critical component within the pneumatic brake system, ensuring unidirectional airflow and preventing pressure loss. Constructed from high-strength components, it maintains system integrity under standard operating conditions for heavy commercial vehicles.Vehicle and engine compatibility
This specific unit is compatible with MAN trucks and other heavy commercial vehicle applications. It features three M22x1.5 ports and is designed to operate at a maximum pressure of 10 bar.Installation and maintenance
For proper installation, technicians should ensure all M22x1.5 connections are tightened to specification to prevent leaks. During periodic maintenance, the valve should be inspected for any debris that might obstruct the internal mechanism or affect the sealing elements.Troubleshooting guidance
If pressure drops are detected in the air system, inspecting this valve for leaks is a recommended troubleshooting step to maintain optimal braking performance.OE cross-reference
303.15.0001 (Check Valve Check Valves) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81521309043.Technical Specifications
| Port 1 | 11 : M22x1,5 |
|---|---|
| Port 2 | 12 : M22x1,5 |
| Port 3 | 2 : M22x1,5 |
| Description | MAX 10 BAR |
Other OEMs
DAF
- 1517988
FAUN
- 99701438439
IVECO
- 4457865
KÖGEL
- 77398
- 5029552
MAN
- N1011017274
- 81521309052
- 81521309043
- 81521306088
- 81521306052
- 81521306043
- 81.52130.6052
- 81.52130.6043
- N1.01101-7274
- 81.52130-9052
- 81.52130-9043
- 81.52130-6088
- 81.52130-6052
- 81.52130-6043
MERCEDES BENZ
- A0014292444
- 0014292444
- 001.429.2444
- 001.429.24.44
- 001 429 2444
- 001 429 24 44
NEOPLAN
- 371VE033
OTOKAR
- AIF0078
RENAULT TRUCKS
- 5021170109
- 5000039183
- 5000039138
STEYR
- 99000362200
- 79100360031
VOLKSWAGEN TRUCK
- 600607265
VOLVO
- 79379137
WABCO
- 4342080000
- 434.208.000.0
- 434 208 000 0
ZF
- 0501203261
- 0501 203 261
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| DAF | |||
| FAUN | |||
| IVECO | |||
| KÖGEL | |||
| MACK | Granite | MP7 | |
| MACK | Pinnacle | MP8 | |
| MAN | |||
| MERCEDES BENZ | |||
| NEOPLAN | |||
| OTOKAR | |||
| RENAULT TRUCKS | |||
| RENAULT TRUCKS | Kerax | DXi11 | |
| RENAULT TRUCKS | Magnum | DXi12 | |
| RENAULT TRUCKS | Magnum | DXi13 | |
| RENAULT TRUCKS | Premium | DXi11 | |
| RENAULT TRUCKS | Premium | DXi13 | |
| STEYR | |||
| VOLKSWAGEN TRUCK | |||
| VOLVO | |||
| VOLVO | B11R | D11A | |
| VOLVO | B13R | D13B | |
| VOLVO | FH12 | D12C | |
| VOLVO | FH12 | D12D | |
| VOLVO | FH13 | D13A | |
| VOLVO | FH13 | D13B | |
| VOLVO | FH13 | D13C | |
| VOLVO | FH16 | D16C | |
| VOLVO | FH16 | D16E | |
| VOLVO | FH16 | D16G | |
| VOLVO | FM10 | D10A | |
| VOLVO | FM11 | D11A | |
| VOLVO | FM11 | D11B | |
| VOLVO | FM12 | D12C | |
| VOLVO | FM12 | D12D | |
| VOLVO | FM13 | D13A | |
| VOLVO | FM13 | D13B | |
| VOLVO | FM13 | D13C | |
| VOLVO | FMX | D11B | |
| VOLVO | FMX | D13C | |
| VOLVO | NH12 | D12C | |
| VOLVO | TAD1341-1345VE | D13 | |
| VOLVO | VHD | D12 | |
| VOLVO | VHD | D13 | |
| VOLVO | VNL | D12 | |
| VOLVO | VNL | D13 | |
| WABCO | |||
| ZF |
FAQ
What is the function of this check valve in a brake system?
The check valve ensures that air flows in only one direction within the pneumatic system, preventing backflow and helping to maintain stable pressure for braking.
Which vehicles are compatible with this part?
This part is designed for use in MAN heavy commercial vehicles, including trucks and tractor units requiring reliable air pressure management.
What are the technical connection specifications?
This component features three ports, all utilizing M22x1.5 threading, and is rated for a maximum operating pressure of 10 bar.
How can I tell if the check valve needs replacement?
Technicians should look for signs of air leaks during maintenance or unexpected pressure drops in the pneumatic system that could indicate a faulty internal mechanism.
What are the OE reference numbers of this part?
303.15.0001 directly replaces MAN OE number 81521309043.