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348909 Volvo B12 TD120 Relay Valve

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348909 Relay Valve for Volvo B12 TD120 Engines

303.01.0001

Summary

This heavy-duty relay valve is designed for Volvo B12 trucks with TD120 engines. It features M22x1.5 port configurations and supports a maximum operating pressure of 10 BAR, ensuring reliable pneumatic control within the braking system. Equivalent to OE Volvo 348909.

Product identifiers
EAN Code8699031063577
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Compatible OEM Codes

  • IVECO
    • 71005249
    • 61578004
    • 42020573
    • 42015698
    • 04625756
    • 02444906
    • 01278511
  • MAN
    • 90.81011-4390
    • 90.81011-4360
    • 81.99164-3679
    • 81.43609-6008
  • DAF
    • 522545R
    • 522545A
    • 522545
    • 1505145
  • STEYR
    • 99014360047
    • 89000360397
    • 79000360311
  • RENAULT TRUCKS
    • 5021170451
    • 5001829194
    • 5000012541
  • MERCEDES BENZ
    • 003 429 52 44
    • 001 429 30 44
    • 000 429 65 44
  • LIEBHERR
    • 502928014
    • 502928001
    • 5029280
  • VOLVO
    • 384909
    • 348909
  • KRONE
    • 945379
    • 500945379
  • WABCO
    • 973 001 010 0
  • VAN HOOL
    • 637200680
  • TEREX
    • 04720840
  • SCHWARZMULLER
    • 4641
  • SCHMITZ CARGOBULL
    • 50318
  • SCANIA
    • 1935623
  • OTOKAR
    • AIF0008
  • O&K
    • 0718485
  • NOOTEBOOM
    • 307061
  • NEOPLAN
    • 110242100
  • LOHR
    • A05020301
  • KÖGEL
    • 77390
  • KASSBOHRER
    • 82834210000
  • IRISBUS
    • 0300610700
  • GOLDHOFER
    • 201248
  • FRUEHAUF
    • A2131600
  • FAUN
    • 99700718485
  • DOLL
    • 8143317
  • DEUTZ
    • 02077426
  • BENALU
    • 605310600

Description

What does a relay valve do?

This relay valve serves as a critical component within the pneumatic braking system, managing air pressure distribution to ensure precise braking response. Built with high-strength components, it maintains consistent performance under heavy commercial vehicle operating conditions.

Vehicle and engine compatibility

This specific model is engineered for compatibility with Volvo B12 trucks equipped with TD120 engines. It provides seamless integration within the vehicle's pneumatic circuits to ensure safety and reliability during heavy-duty operations.

Installation and maintenance

Installation requires attention to the M22x1.5 port specifications for Port 1, Port 2, and Port 4. Technicians should verify that all connections are secure and that the system operates within the maximum pressure rating of 10 BAR to prevent pneumatic leaks or pressure drops.

System performance guidance

Regular inspection of the valve seals and air supply lines is recommended to maintain optimal braking performance and prevent system failure.

OE cross-reference

303.01.0001 (Relay Valve Relay Valves) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 348909.

Technical Specifications

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

Other OEMs

BENALU

  • 605310600

DAF

  • 522545R
  • 522545A
  • 522545
  • 1505145

DEUTZ

  • 02077426

DOLL

  • 8143317

FAUN

  • 99700718485

FRUEHAUF

  • A2131600

GOLDHOFER

  • 201248

IRISBUS

  • 0300610700

IVECO

  • 71005249
  • 61578004
  • 42020573
  • 42015698
  • 04625756
  • 02444906
  • 01278511

KASSBOHRER

  • 82834210000

KÖGEL

  • 77390

KRONE

  • 945379
  • 500945379

LIEBHERR

  • 502928014
  • 502928001
  • 5029280

LOHR

  • A05020301

MAN

  • 90810114390
  • 90810114360
  • 90.81011.4390
  • 90.81011.4360
  • 81991643679
  • 81436096008
  • 81.99164.3679
  • 81.43609.6008
  • 90.81011-4390
  • 90.81011-4360
  • 81.99164-3679
  • 81.43609-6008

MERCEDES BENZ

  • A0034295244
  • A0014293044
  • A0004296544
  • 0034295244
  • 003.429.5244
  • 003.429.52.44
  • 003 429 5244
  • 0014293044
  • 001.429.3044
  • 001.429.30.44
  • 001 429 3044
  • 0004296544
  • 000.429.6544
  • 000.429.65.44
  • 000 429 6544
  • 003 429 52 44
  • 001 429 30 44
  • 000 429 65 44

NEOPLAN

  • 110242100

NOOTEBOOM

  • 307061

O&K

  • 0718485

OTOKAR

  • AIF0008

RENAULT TRUCKS

  • 5021170451
  • 5001829194
  • 5000012541

SCANIA

  • 1935623

SCHMITZ CARGOBULL

  • 50318

SCHWARZMULLER

  • 4641

STEYR

  • 99014360047
  • 89000360397
  • 79000360311

TEREX

  • 04720840

VAN HOOL

  • 637200680

VOLVO

  • 384909
  • 348909

WABCO

  • 9730010100
  • 973.001.010.0
  • 973 001 010 0

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
BENALU
DAF
DEUTZ
DOLL
FAUN
FRUEHAUF
GOLDHOFER
IRISBUS
IVECO
KASSBOHRER
KÖGEL
KRONE
LIEBHERR
LOHR
MAN
MERCEDES BENZ
NEOPLAN
NOOTEBOOM
O&K
OTOKAR
RENAULT TRUCKS
SCANIA
SCHMITZ CARGOBULL
SCHWARZMULLER
STEYR
TEREX
VAN HOOL
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?
The relay valve regulates air pressure within the braking system, ensuring that the pneumatic signals are translated into consistent braking force at the actuators.
Which vehicles is this part compatible with?
This component is designed for Volvo B12 trucks specifically utilizing the TD120 engine series.
What are the technical port specifications?
The valve features M22x1.5 thread sizes on Port 1, Port 2, and Port 4, supporting a maximum operating pressure of up to 10 BAR.
How should I maintain the relay valve?
Technicians should regularly check the M22x1.5 connections for leaks and ensure the air supply remains clean to protect the internal high-strength components.
What are the OE reference numbers of this part?
303.01.0001 directly replaces Volvo OE number 348909.