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A0044291144 Mercedes-Benz Compatible Relay Valve

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A0044291144 Relay Valve for Mercedes-Benz Trucks

303.01.0003

Summary

This relay valve is designed for heavy commercial vehicle brake systems, ensuring reliable air pressure regulation. It features M22x1.5 VOSS ports, an M16x1.5 VOSS port, and supports a maximum operating pressure of 10 BAR. Engineered for durability in demanding environments. Equivalent to OE Mercedes-Benz A0044291144.

Product identifiers
EAN Code8699031064338
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Compatible OEM Codes

  • MAN
    • 81.52116-9067
    • 81.52116-6069
    • 81.52116-6068
    • 81.52116-6067
  • MERCEDES BENZ
    • 004 429 11 44
    • 004 429 06 44
  • WABCO
    • 973 006 001 0
  • SCANIA
    • 1935645
  • RENAULT TRUCKS
    • 5021170458
  • DAF
    • 1505150
  • ALEXANDER DENNIS
    • DP002130

Description

What does a relay valve do?

This relay valve plays a critical role in the compressed air brake system by facilitating rapid air pressure transfer triggered by a pilot signal. It ensures that braking force is applied effectively and quickly to the brake chambers, enhancing the overall safety and responsiveness of the vehicle's braking system.

Vehicle compatibility

Designed specifically for heavy commercial vehicles, this component is compatible with Mercedes-Benz trucks and related systems. Its robust construction ensures reliable performance under high-pressure conditions, maintaining consistent air delivery throughout the braking cycle.

Technical specifications

The unit is engineered with high-strength components to withstand heavy-duty service. It features M22x1.5 VOSS connections on ports 1 and 2, alongside an M16x1.5 VOSS port on port 4, with a maximum operating pressure of 10 BAR. Technicians should verify all port connections and seal integrity during installation to ensure optimal system performance.

Installation and maintenance

When replacing this component, ensure the mounting location on the chassis is clean and free of debris. Proper maintenance of the pneumatic lines prevents contaminants from affecting the internal valve mechanism.

OE cross-reference

303.01.0003 (Relay Valve Relay Valves) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A0044291144.

Technical Specifications

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

Other OEMs

ALEXANDER DENNIS

  • DP002130

DAF

  • 1505150

MAN

  • 81521169067
  • 81521166069
  • 81521166068
  • 81521166067
  • 81.52116.6068
  • 81.52116.6067
  • 81.52116-9067
  • 81.52116-6069
  • 81.52116-6068
  • 81.52116-6067

MERCEDES BENZ

  • A0044291144
  • A0044290644
  • 0044291144
  • 0044290644
  • 004.429.1144
  • 004.429.11.44
  • 004.429.0644
  • 004.429.06.44
  • 004 429 1144
  • 004 429 0644
  • 004 429 11 44
  • 004 429 06 44

RENAULT TRUCKS

  • 5021170458

SCANIA

  • 1935645

WABCO

  • 9730060010
  • 973.006.001.0
  • 973 006 001 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
ALEXANDER DENNIS
DAF
MAN
MERCEDES BENZ
RENAULT TRUCKS
SCANIA
WABCO

FAQ

What is the function of this relay valve?
It facilitates rapid air pressure transfer within the compressed air brake system, triggered by a pilot signal to ensure effective braking response.
What are the connection specifications for this part?
The component features two M22x1.5 VOSS ports and one M16x1.5 VOSS port, designed for a maximum operating pressure of 10 BAR.
Which vehicle types is this component compatible with?
This part is designed for heavy commercial vehicles, specifically compatible with Mercedes-Benz trucks.
What should be checked during installation?
Technicians should ensure all VOSS port connections are secure and that the mounting area is free from contaminants to maintain system integrity.
What are the OE reference numbers of this part?
303.01.0003 directly replaces Mercedes-Benz OE number A0044291144.