301.01.0018 Unloader Valves
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301.01.0018 WABCO Unloader Valves Compatible

301.01.0018

Summary

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

EAN Code8683457011038
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Description

The heavy-duty Unloader Valve is a critical component within the pneumatic brake system, designed to regulate air pressure and ensure reliable system function. This part is engineered with high-strength components to maintain consistent pressure levels during heavy commercial vehicle operations. It features a specific cut-out pressure of 8,5 BAR / 0,2 BAR to ensure precise control over the pneumatic cycle.

301.01.0018 is the OE-equivalent of the WABCO 975 303 469 0 unloader valve used in DAF, IVECO, MAN, MERCEDES BENZ, RENAULT TRUCKS, and EVOBUS vehicles. This unit ensures seamless integration with compatible brake systems and meets strict technical requirements for heavy commercial vehicle applications.

For workshop technicians, this component offers straightforward installation due to its standardized port sizes (Port 1: M22x1,5; Port 21: M22x1,5; Port 23: M12x1,5). It is essential for maintaining optimal air reservoir levels and preventing system malfunctions. Regular inspections of the inflation and recycle valve functions are recommended during routine maintenance to ensure long-term reliability in the field.

Technical Specifications

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

Other OEMs

DAF

  • 1518285

IVECO

  • 04671601

MAN

  • 84.52101-6012
  • 84.52101-6013
  • 84521016012
  • 84521016013

MERCEDES BENZ

  • 002 431 62 06
  • 002 431 65 06
  • 0024316206
  • 0024316506
  • A0024316206
  • A0024316506

RENAULT TRUCKS

  • 5000790979

WABCO

  • 975 303 469 0
  • 9753034690

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
DAF
EVOBUS
IVECO
MAN
MERCEDES BENZ
RENAULT TRUCKS
WABCO

FAQ

What are the compatible OEM codes for this unloader valve?
This part is compatible with DAF 1518285, IVECO 04671601, MAN 84.52101-6012, MAN 84.52101-6013, MERCEDES BENZ 002 431 62 06, MERCEDES BENZ 002 431 65 06, RENAULT TRUCKS 5000790979, and WABCO 975 303 469 0.
What is the cut-out pressure for this specific part?
The unloader valve operates with a standard cut-out pressure of 8,5 BAR / 0,2 BAR to ensure proper pneumatic regulation.
Which vehicle makes can use this component?
This product is designed for heavy commercial vehicles from manufacturers including DAF, IVECO, MAN, MERCEDES BENZ, RENAULT TRUCKS, and EVOBUS.
Does this part include inflation and recycle valves?
Yes, this unit is equipped with both functional inflation and recycle valve capabilities as per technical specifications.
What are the thread sizes for the ports?
The unit features Port 1 (M22x1,5), Port 21 (M22x1,5), and Port 23 (M12x1,5) for precise assembly in brake systems.