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301.07.0028 Quick Release Valve, Brake System
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301.07.0028 Quick Release Valve compatible with Mercedes-Benz

301.07.0028

Summary

This high-strength quick release valve is designed for Mercedes-Benz heavy commercial vehicles. It features M22x1.5 port sizes and is rated for a maximum pressure of 10 BAR, ensuring rapid air venting and improved brake response for professional fleet maintenance. Equivalent to OE Mercedes-Benz 0034308781 and WABCO 9750010120.

Product identifiers
EAN Code8683457009097
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Compatible OEM Codes

  • WABCO
    • 975 001 012 0
  • MERCEDES BENZ
    • 003 430 87 81

Description

What does a quick release valve do?

This quick release valve is an essential component within the pneumatic brake system of heavy commercial vehicles, engineered to vent compressed air from the brake chambers instantly upon pedal release. By facilitating rapid air exhaust, this component helps reduce wheel drag and shortens braking distances, contributing significantly to the safety of the vehicle's braking performance.

Vehicle and system compatibility

This specific unit is designed for Mercedes-Benz applications and is also compatible with WABCO systems. It features two M22x1.5 ports to ensure secure pneumatic connections within the air brake circuit. These components are vital for maintaining efficient air flow in heavy-duty commercial vehicle braking systems.

Installation and maintenance

For optimal performance, technicians should verify that all M22x1.5 connections are secure and that the valve operates within its 10 BAR maximum pressure rating. Regular inspection of the pneumatic lines and valve seating can prevent air leaks and ensure consistent brake release speed during heavy-duty operation.

System performance guidance

Consult your authorized distributor to check the compatibility list.

OE cross-reference

301.07.0028 (Quick Release Valve) is the equivalent of the Mercedes-Benz and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 0034308781. It also replaces WABCO OE number 9750010120.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 2M22x1,5 (X2)
PressureMAX 10 BAR

Other OEMs

MERCEDES BENZ

  • A0034308781
  • 003 430 87 81

WABCO

  • 9750010120
  • 975 001 012 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ
WABCO

FAQ

What is the function of this quick release valve?
The valve rapidly vents compressed air from brake chambers when the brakes are released, preventing lag in the braking system and ensuring faster response times.
What are the technical specifications of this component?
This valve features M22x1.5 port sizes (with two M22x1.5 ports) and is designed to operate at a maximum pressure of 10 BAR.
Which vehicle brands is this part compatible with?
This part is designed for Mercedes-Benz vehicles and is compatible with WABCO systems.
How can I identify a faulty quick release valve?
Technicians may notice delayed brake release, audible air leaks, or increased braking distances if the valve fails to vent air efficiently.
What are the OE reference numbers of this part?
301.07.0028 directly replaces Mercedes-Benz OE number 0034308781. It also replaces WABCO OE number 9750010120.