301.01.0028 Unloader Valves
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301.01.0028 MERCEDES BENZ Unloader Valves

301.01.0028

Summary

Port 1: M22x1,5 | Port 4: M12x1,5 | Port 21: M22x1,5 | Port 22: M12x1,5 | Port 23: M12x1,5 | Cut-Out Pressure: 9,5 BAR / 0,2 BAR. Engineered for high-strength performance in heavy commercial vehicle brake systems.

EAN Code8683457011137
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Description

The heavy-duty grade unloader valve is a critical component designed to manage pneumatic pressure regulation within the braking system. This part ensures precise control and stability during operation, making it essential for maintaining consistent pressure levels in heavy-duty vehicle air systems.

301.01.0028 is the OE-equivalent of the MERCEDES BENZ 002 431 98 06 unloader valve used in EVOBUS and MERCEDES BENZ heavy commercial vehicles. It is also fully compatible with WABCO systems, specifically the 975 303 088 0 reference. This ensures seamless integration into existing pneumatic architectures without compromising safety or performance.

For workshop technicians, this component features specific port configurations including Port 1 (M22x1,5), Port 4 (M12x1,5), Port 21 (M22x1,5), Port 22 (M12x1,5), and Port 23 (M12x1,5). The cut-out pressure is set at 9,5 BAR / 0,2 BAR to meet strict industrial standards. Regular inspection of the connection points and pressure thresholds is recommended during routine maintenance to ensure optimal system response.

Technical Specifications

Port 1M22x1,5
Port 4M12x1,5
Port 21M22x1,5
Port 22M12x1,5
Port 23M12x1,5
Cut-Out Pressure9,5 BAR / 0,2 BAR
Inflation Valve-
Recycle Valve-

Other OEMs

MERCEDES BENZ

  • 002 431 98 06
  • A0024319806

WABCO

  • 975 303 088 0
  • 9753030880

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
EVOBUS
MERCEDES BENZ
WABCO

FAQ

Which vehicle brands are compatible with this unloader valve?
This part is compatible with MERCEDES BENZ and EVOBUS heavy commercial vehicles, and it meets the technical standards for WABCO systems.
What are the exact OEM cross-references for this product?
The product is an OE-equivalent for MERCEDES BENZ (002 431 98 06) and WABCO (975 303 088 0).
What is the cut-out pressure specification for this component?
The technical specification for the cut-out pressure is set at 9,5 BAR / 0,2 BAR.
Does this part include all necessary port sizes for installation?
Yes, it includes Port 1 (M22x1,5), Port 4 (M12x1,5), Port 21 (M22x1,5), Port 22 (M12x1,5), and Port 23 (M12x1,5).
Is this part suitable for heavy commercial vehicle brake systems?
Yes, it is specifically designed for heavy commercial vehicle brake systems with high-strength components.