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348909 Relay Valve for Volvo F12 TD121 Engines

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348909 Volvo F12 TD121 Relay Valve

303.01.0001

Summary

This heavy-duty relay valve is designed for Volvo F12 vehicles equipped with TD121 engines. It features M22x1,5 port sizes and supports a maximum operating pressure of 10 BAR to ensure reliable pneumatic brake system performance. 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 brake system of heavy commercial vehicles, managing air pressure distribution to ensure consistent braking force. Manufactured with high-strength components, it is engineered to withstand the rigorous demands of heavy-duty operation.

Vehicle and engine compatibility

This specific unit is compatible with Volvo F12 trucks featuring TD121 engines. It is designed to meet the precise requirements of the vehicle's braking circuit, maintaining system integrity under pressure.

Installation and maintenance

Installation should be performed by a qualified workshop technician to ensure proper alignment of the M22x1,5 ports. Regular inspection of the connections and ensuring the system does not exceed the 10 BAR maximum pressure limit is essential for long-term reliability.

System maintenance guidance

For optimal performance, ensure that the pneumatic lines are free from contaminants during replacement. This component provides a dependable solution for maintaining the braking efficiency of the vehicle's air system.

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?
It regulates air pressure within the pneumatic brake system, ensuring that braking force is applied effectively and reliably to the vehicle's braking mechanism.
Which vehicles is this part compatible with?
This part is specifically designed for Volvo F12 models equipped with TD121 engines to ensure correct fitment and performance.
What are the technical port specifications?
The unit features M22x1,5 thread sizes for Port 1, Port 2, and Port 4, supporting a maximum operating pressure of 10 BAR.
How can I identify if a replacement is needed?
Technicians should look for symptoms such as inconsistent braking force or air leaks around the M22x1,5 connection points in the pneumatic circuit.
What are the OE reference numbers of this part?
303.01.0001 directly replaces Volvo OE number 348909.