81521166075 Relay Valve for MAN Trucks
303.01.0002
Summary
This heavy-duty relay valve is designed for MAN trucks. It features M22x1,5 VOSS and M16x1,5 VOSS ports, a maximum operating pressure of 8.5 BAR, and includes an integrated silencer to ensure reliable pneumatic brake system performance. Equivalent to OE MAN 81521166075.
| EAN Code | 8699031064321 |
|---|
Ready to Order
Compatible OEM Codes
-
MAN
- 81.52116-9075
- 81.52116-6076
- 81.52116-6075
- 81.52116-6074
-
MERCEDES BENZ
- 004 429 80 44
- 004 429 63 44
-
WABCO
- 973 006 003 0
-
SCANIA
- 1935646
-
ProVia
- PRO 011 003 0
-
DAF
- 1518267
Description
What does a relay valve do?
This relay valve plays a critical role in the pneumatic brake system of heavy commercial vehicles by controlling air pressure distribution. Built with high-strength components, it ensures precise modulation of braking force to maintain safety and stability during deceleration.Vehicle and engine compatibility
This specific component is engineered to be compatible with MAN trucks. It utilizes M22x1,5 VOSS ports for primary connections and an M16x1,5 VOSS port for the exhaust, ensuring a secure fitment within the existing brake lines.Installation and maintenance
For workshop technicians performing maintenance, this unit features a built-in silencer to manage exhaust air flow effectively. When inspecting the installation, verify that all M22x1,5 and M16x1,5 connections are properly seated and that the system operates within the 8.5 BAR maximum pressure limit.Troubleshooting and selection
Consult your authorized distributor to confirm exact fitment for your specific truck configuration.OE cross-reference
303.01.0002 (Relay Valve Relay Valves) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81521166075.Technical Specifications
| Port 1 | M22x1,5 VOSS |
|---|---|
| Port 2 | M22x1,5 VOSS |
| Port 4 | M16x1,5 VOSS |
| Silencer | OK |
| Pressure | MAX 8.5 BAR |
| Port 3 | - |
Other OEMs
DAF
- 1518267
MAN
- 81521169075
- 81521169074
- 81521166076
- 81521166075
- 81521166074
- 81.52116.9075
- 81.52116.9074
- 81.52116.6076
- 81.52116.6075
- 81.52116.6074
- 81.52116-9075
- 81.52116-6076
- 81.52116-6075
- 81.52116-6074
MERCEDES BENZ
- A0044298044
- A0044296344
- 0044298044
- 0044296344
- 004.429.8044
- 004.429.80.44
- 004.429.6344
- 004.429.63.44
- 004 429 8044
- 004 429 6344
- 004 429 80 44
- 004 429 63 44
ProVia
- PRO 011 003 0
SCANIA
- 1935646
WABCO
- 9730060030
- 973.006.003.0
- 973 006 003 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| DAF | |||
| MAN | |||
| MERCEDES BENZ | |||
| ProVia | |||
| SCANIA | |||
| WABCO |
FAQ
What is the primary function of this relay valve?
The relay valve regulates air pressure within the brake system, ensuring that braking force is applied accurately and efficiently to the vehicle's wheels.
Which vehicle brands is this part compatible with?
This component is specifically designed for use in MAN trucks to maintain OEM-level performance in the braking circuit.
What are the technical port specifications?
The unit is equipped with M22x1,5 VOSS ports and an M16x1,5 VOSS exhaust port for seamless integration into professional pneumatic systems.
What is the maximum operating pressure?
This relay valve is designed to operate safely at a maximum pressure of 8.5 BAR within the heavy commercial vehicle braking system.
What are the OE reference numbers of this part?
303.01.0002 directly replaces MAN OE number 81521166075.