301.01.0042 Unloader Valves
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301.01.0042 MERCEDES BENZ Unloader Valves

301.01.0042

Summary

●Port 1: M22x1,5 ●Port 4: - ●Port 21: M22x1,5 ●Cut-Out Pressure: 9,3 BAR / 0,2 BAR ●Inflation Valve: OK. This high-strength component ensures precise pneumatic control within the brake system.

EAN Code8683457011274
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Description

The heavy-duty grade unloader valve is a vital component within the pneumatic brake system, responsible for maintaining precise pressure regulation and ensuring the stability of air-operated functions. Designed for heavy commercial vehicles, this part provides reliable pressure management through its specialized valve mechanism.

301.01.0042 is the OE-equivalent of the WABCO 975 300 150 0 unloader valve used in MERCEDES BENZ and LEYLAND systems. This part is fully compatible with the technical requirements of WABCO systems, ensuring seamless integration into the existing brake architecture of heavy-duty trucks and buses.

Workshop technicians should note the specific port configurations, featuring M22x1,5 connections on Port 1 and Port 21, with a cut-out pressure of 9,3 BAR / 0,2 BAR. Proper installation and regular inspection of the inflation valve functionality are essential to maintain optimal system performance and prevent pressure fluctuations during operation.

Technical Specifications

Port 1M22x1,5
Port 4-
Port 21M22x1,5
Cut-Out Pressure9,3 BAR / 0,2 BAR
Inflation ValveOK

Other OEMs

LEYLAND

  • BBU5209

MERCEDES BENZ

  • 001 431 36 06
  • A0014313606

WABCO

  • 975 300 150 0
  • 9753001500

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
LEYLAND
MERCEDES BENZ
WABCO

FAQ

What are the compatible OEM numbers for this unloader valve?
This product is compatible with WABCO (975 300 150 0), MERCEDES BENZ (001 431 36 06), and LEYLAND (BBU5209).
What are the technical port specifications for this part?
The unit features Port 1 at M22x1,5 and Port 21 at M22x1,5 for secure pneumatic connection.
What is the cut-out pressure range for this component?
The device operates with a cut-out pressure specification of 9,3 BAR / 0,2 BAR to ensure system stability.
Is this part suitable for heavy commercial vehicles?
Yes, it is designed specifically for heavy commercial vehicle brake systems including trucks and buses.
Does this unloader valve include an inflation function?
Yes, the component is equipped with an integrated inflation valve functionality as per standard specifications.