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303.08.0006 EBS Relay Valve, Brake System

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303.08.0006 EBS Relay Valve for Kenworth and Peterbilt

303.08.0006

Summary

This EBS relay valve is engineered for heavy-duty operating conditions within electronic braking systems. It is compatible with Kenworth T800 and W900 models, as well as Peterbilt 378 and 379 trucks equipped with Caterpillar C10 engines. Designed to ensure precise pneumatic pressure control via electronic signals. Equivalent to OE Daewoo 3454403440, DAF 1315686 and Hino 446000096A.

Product identifiers
EAN Code8683457013506
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Compatible OEM Codes

  • DAF
    • 41032230
    • 375215
    • 361623
    • 1315686
  • MERCEDES BENZ
    • 005 429 69 44
    • 005 429 12 44
    • 004 429 86 44
  • VDL
    • 759010011
    • 20297660
  • PACCAR
    • 1505288
    • 1505280
  • WABCO
    • 480 202 004 0
  • VAN HOOL
    • 920924011
  • SOLARIS
    • 1102304000
  • SCANIA
    • 1935135
  • OTOKAR
    • 16H1208526AA
  • MAN
    • N1.01106-3689
  • LOHR
    • F00282560
  • HINO
    • 446000096A
  • DAEWOO
    • 3454403440

Description

What does an EBS relay valve do?

This EBS relay valve plays a critical role in the electronic braking system by combining electronic signals with pneumatic pressure control to ensure stable deceleration. Built with high-strength components, it is designed to withstand the rigorous demands of heavy commercial vehicle braking operations.

Vehicle compatibility and engine fitment

This component is fitted to Kenworth T800 and W900 trucks, Peterbilt 378 and 379 models, and Western Star 4900 units featuring Caterpillar C10 engines. It is also used in various other heavy-duty vehicles from brands such as Mercedes-Benz, MAN, Scania, DAF, and PACCAR. Check the compatibility list.

Installation and maintenance guidance

For correct installation, technicians must verify the chassis number and the specific EBS control unit version to ensure connector and protocol compatibility. Proper inspection of air port diameters and electrical connector pin layouts is essential to prevent communication interruptions or pressure loss during service.

Troubleshooting and selection

Maintaining the integrity of the pneumatic lines and checking the electrical connections during routine inspections helps prevent system errors in the electronic braking architecture.

OE cross-reference

303.08.0006 (EBS Relay Valve EBS Relay Valves) is the equivalent of the Daewoo, DAF, Hino, Lohr, MAN, Mercedes-Benz, Otokar, PACCAR, Scania, Solaris, Van Hool, VDL and WABCO OE numbers. This part directly replaces Daewoo OE number 3454403440. It also replaces DAF OE numbers 1315686, 361623, 375215, 41032230, Hino OE number 446000096A, Lohr OE number F00282560, MAN OE number N1011063689, Mercedes-Benz OE numbers 0044298644, 0054291244, 0054296944, Otokar OE number 16H1208526AA, PACCAR OE numbers 1505280, 1505288, Scania OE number 1935135, Solaris OE number 1102304000, Van Hool OE number 920924011, VDL OE numbers 20297660, 759010011 and WABCO OE number 4802020040.

Other OEMs

DAEWOO

  • 3454403440

DAF

  • 41032230
  • 375215
  • 361623
  • 1315686

HINO

  • 446000096A

LOHR

  • F00282560

MAN

  • N1011063689
  • N1.01106-3689

MERCEDES BENZ

  • A0054296944
  • A0054291244
  • A0044298644
  • 0054296944
  • 0054291244
  • 0044298644
  • 005 429 69 44
  • 005 429 12 44
  • 004 429 86 44

OTOKAR

  • 16H1208526AA

PACCAR

  • 1505288
  • 1505280

SCANIA

  • 1935135

SOLARIS

  • 1102304000

VAN HOOL

  • 920924011

VDL

  • 759010011
  • 20297660

WABCO

  • 4802020040
  • 480 202 004 0

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
CATERPILLAR C10
DAEWOO
DAF
HINO
KENWORTH T800 CATERPILLAR C10
KENWORTH W900 CATERPILLAR C10
LOHR
MAN
MERCEDES BENZ
OTOKAR
PACCAR
PETERBILT 378 CATERPILLAR C10
PETERBILT 379 CATERPILLAR C10
SCANIA
SOLARIS
VAN HOOL
VDL
WABCO
WESTERN STAR 4900 CATERPILLAR C10

FAQ

What is the function of an EBS relay valve?
The valve converts electronic signals from the ECU into pneumatic pressure to actuate the brakes, ensuring rapid and precise response in heavy commercial vehicles.
Which vehicles are compatible with this valve?
This part is compatible with Kenworth (T800, W900), Peterbilt (378, 379), and Western Star (4900) trucks using Caterpillar C10 engines, as well as various Mercedes-Benz, MAN, and Scania models.
How can I ensure I am selecting the correct valve?
It is vital to verify the chassis number, the EBS control unit version, and the electrical connector pin layout to ensure perfect integration with the vehicle's electronic architecture.
What symptoms indicate a faulty EBS relay valve?
Technicians should look for inconsistent braking pressure, electronic communication errors in the dashboard, or air leaks from the pneumatic ports.
What are the OE reference numbers of this part?
303.08.0006 directly replaces Daewoo OE number 3454403440. It also replaces DAF OE numbers 1315686, 361623, 375215, 41032230, Hino OE number 446000096A, Lohr OE number F00282560, MAN OE number N1011063689, Mercedes-Benz OE numbers 0044298644, 0054291244, 0054296944, Otokar OE number 16H1208526AA, PACCAR OE numbers 1505280, 1505288, Scania OE number 1935135, Solaris OE number 1102304000, Van Hool OE number 920924011, VDL OE numbers 20297660, 759010011 and WABCO OE number 4802020040.