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81521169065 Relay Valve Compatible with MAN Trucks

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81521169065 Relay Valve for MAN Trucks

303.01.0004

Summary

This relay valve is designed for heavy commercial vehicle brake systems, specifically compatible with MAN. It features M22x1.5 VOSS port 1, M16x1.5 VOSS port 2, and M16x1.5 VOSS port 4, operating at a maximum pressure of 10 BAR to ensure reliable pneumatic control. Equivalent to OE MAN 81521169065.

Product identifiers
EAN Code8699031064345
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Compatible OEM Codes

  • MAN
    • 81.52116-9071
    • 81.52116-9065
    • 81.52116-6065
    • 81.52116-6062
    • 81.52116-6061
    • 81.52116-6059
  • WABCO
    • 973 006 000 0
  • SCANIA
    • 1935644
  • RENAULT TRUCKS
    • 7701012770
  • IVECO
    • 08137884
  • DAF
    • 1505412

Description

What does a relay valve do?

This relay valve serves as a critical component within the pneumatic brake system, ensuring precise pressure regulation and signal transmission to the brake chambers. Built with high-strength components, it manages air flow to maintain stable braking performance under heavy-duty operating conditions.

Vehicle compatibility and fitment

This component is engineered for compatibility with MAN heavy commercial vehicles. It functions within the primary braking circuit to ensure that air pressure is distributed accurately across the system, supporting the safety requirements of professional fleet operations.

Installation and maintenance

For proper installation, technicians should verify the port configurations: Port 1 features an M22x1.5 VOSS connection, while Ports 2 and 4 utilize M16x1.5 VOSS connections. The unit is rated for a maximum operating pressure of 10 BAR.

System performance

Regular inspection of the pneumatic lines and connection ports is recommended to prevent air leaks and ensure optimal signal response during braking maneuvers.

OE cross-reference

303.01.0004 (Relay Valve Relay Valves) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81521169065.

Technical Specifications

Technical Specifications
Port 1M22x1,5 VOSS
Port 2M16x1,5 VOSS
Port 4M16x1,5 VOSS
PressureMAX 10 BAR

Other OEMs

DAF

  • 1505412

IVECO

  • 08137884

MAN

  • 81521169071
  • 81521169065
  • 81521166065
  • 81521166062
  • 81521166061
  • 81521166059
  • 81.52116.9071
  • 81.52116.9065
  • 81.52116.6065
  • 81.52116.6062
  • 81.52116.6061
  • 81.52116.6059
  • 81.52116-9071
  • 81.52116-9065
  • 81.52116-6065
  • 81.52116-6062
  • 81.52116-6061
  • 81.52116-6059

RENAULT TRUCKS

  • 7701012770

SCANIA

  • 1935644

WABCO

  • 9730060000
  • 973.006.000.0
  • 973 006 000 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
IVECO
MAN
RENAULT TRUCKS
SCANIA
WABCO

FAQ

What is the function of this relay valve?
It regulates air pressure within the pneumatic brake system to ensure accurate and timely application of braking force.
Which vehicle brands is this part compatible with?
This specific unit is designed for compatibility with MAN heavy commercial vehicles.
What are the technical port specifications?
The unit features an M22x1.5 VOSS port 1, an M16x1.5 VOSS port 2, and an M16x1.5 VOSS port 4.
What is the maximum operating pressure?
This relay valve is designed to operate at a maximum pressure of 10 BAR.
What are the OE reference numbers of this part?
303.01.0004 directly replaces MAN OE number 81521169065.