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301.01.0030 MERCEDES BENZ Unloader Valves

301.01.0030

Summary

●Port 1: M22x1,5 ●Port 4: M12x1,5 ●Port 21: M22x1,5 ●Port 22: M12x1,5 ●Port 23: M12x1,5 ●Cut-Out Pressure: 8,5 BAR / 0,2 BAR ●Inflation Valve: OK ●Recycle Valve: -

EAN Code8683457011151
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Description

The heavy-duty Unloader Valves are essential components within the pneumatic brake system, ensuring precise pressure regulation and system stability. This part is engineered with high-strength components to meet the rigorous demands of heavy commercial vehicle operations, providing reliable air management during transit.

301.01.0030 is the OE-equivalent of the WABCO 975 303 472 0 unloader valve used in Mercedes Benz, Alexander Dennis, Liebherr, and Evobus systems. This component is also compatible with Mercedes Benz references 002 031 71 06, 002 431 71 06, and 002 431 89 06, ensuring seamless integration with original equipment specifications.

Designed for professional workshop technicians, this unloader valve features specific port dimensions including M22x1,5 and M12x1,5 to ensure a precise fit during installation. Maintenance of the pneumatic system should involve regular checks of the cut-out pressure levels, which are set at 8,5 BAR / 0,2 BAR, to maintain optimal braking performance and safety.

Technical Specifications

Port 1M22x1,5
Port 4M12x1,5
Port 21M22x1,5
Port 22M12x1,5
Port 23M12x1,5
Cut-Out Pressure8,5 BAR / 0,2 BAR
Inflation ValveOK
Recycle Valve-

Other OEMs

ALEXANDER DENNIS

  • AB9753034720

LIEBHERR

  • 502657908

MERCEDES BENZ

  • 002 031 71 06
  • 002 431 71 06
  • 002 431 89 06
  • 0020317106
  • 0024317106
  • 0024318906
  • A0020317106
  • A0024317106
  • A0024318906

WABCO

  • 975 303 472 0
  • 9753034720

Related Products

Vehicles Used

BrandModelEngine
ALEXANDER DENNIS
EVOBUS
LIEBHERR
MERCEDES BENZ
WABCO

FAQ

Which vehicle models is this unloader valve compatible with?
This part is compatible with Mercedes Benz, WABCO, Alexander Dennis, Liebherr, and Evobus systems.
What are the exact OEM equivalent codes for this part?
The compatible OEM codes are AB975303472 much/vaden_sku (Alexander Dennis), 5026579 own (Liebherr), 975 303 472 0 (WABCO), and Mercedes Benz codes 002 031 71 06, 002 431 71 06, and 0 own (Liebherr).
What are the technical port specifications for this unit?
The unit features Port-specific dimensions: Port-1 (M22x1,5), Port-4 (M12x1,5), Port-21 (M22x1,5), Port-22 (M12x1,5), and Port-23 (M12x1,5).
What is the cut-out pressure setting for this unloader valve?
The specified cut-out pressure for this component is set at a range of 8,5 BAR / 0,2 BAR.
Is this part suitable for heavy commercial vehicles?
Yes, it is specifically designed for heavy commercial vehicle brake systems including trucks and buses.