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N2521169100 Relay Valve for MAN Trucks

303.01.0005

Summary

This 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 N2521169100.

Product identifiers
EAN Code8699031073668
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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 braking system by managing air pressure distribution to the brake chambers. It ensures precise response times and stable pressure regulation, which is essential for the safety of heavy commercial vehicles during deceleration.

Vehicle compatibility and specifications

Designed specifically for compatibility with MAN trucks, this component maintains high performance under standard operating conditions. It features specialized port sizes including M22x1.5 and M16x1.5 ports, supporting a maximum system pressure of 8 BAR.

Installation and maintenance

For proper maintenance, technicians should inspect all connection points and ensure the ports are free from debris during installation. Regular checks of the air lines connected to the M22x1.5 and M16x1.5 ports help prevent pressure drops in the braking circuit.

Selection guidance

Consult your authorized distributor to verify fitment for specific MAN vehicle models and engine configurations.

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 N2521169100.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 2M16x1,5
Port 4M16x1,5
PressureMAX 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

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
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?
It regulates air pressure within the braking system, ensuring that braking force is applied accurately and effectively to the vehicle's wheels.
What are the port specifications for this component?
This unit is equipped with an M22x1.5 port and two M16x1.5 ports, designed to handle pressures up to a maximum of 8 BAR.
Which vehicles is this part compatible with?
This specific relay valve is designed for use in MAN trucks and related heavy commercial vehicle applications.
How can I identify if a relay valve needs replacement?
Technicians should look for symptoms such as uneven braking, air leaks at the M22 or M16 ports, or a failure to maintain pressure within the 8 BAR limit.
What are the OE reference numbers of this part?
303.01.0005 directly replaces MAN OE number N2521169100.