301.01.0043 Unloader Valves
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301.01.0043 WABCO Unloader Valves Compatible

301.01.0043

Summary

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

EAN Code8683457011281
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Description

The heavy-duty Unloader Valve is a critical component within the pneumatic brake system, ensuring precise pressure regulation for heavy commercial vehicles. This part is engineered with high-strength components to maintain consistent performance under demanding operational conditions.

301.01.0043 is the OE-equivalent of the WABCO 975 300 156 0 unloader valve used in WABCO systems. This component is specifically designed to meet exact technical specifications, ensuring seamless integration and reliability within the vehicle's braking-suspension architecture.

For workshop technicians, this unit features a Port 1 of M22x1,5 and a Port 21 of M22x1,5, with a cut-out pressure of 8,5 BAR / 0,2 BAR. Proper installation and regular inspection of the inflation valve functionality are recommended to maintain optimal system pressure and prevent pneumatic failures during service intervals.

Technical Specifications

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

Other OEMs

WABCO

  • 975 300 156 0
  • 9753001560

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
WABCO

FAQ

What are the technical port specifications for this part?
The unit features a Port 1 size of M22x1,5 and a Port 21 size of M22x1,5 to ensure precise fitment within WABCO systems.
Which OEM numbers is this product compatible with?
This product is a direct OE-equivalent for the WABCO part number 975 300 156 0.
What is the rated cut-out pressure for this valve?
The specified cut-out pressure for this unloader valve is 8,5 BAR / 0,2 BAR.
Is this part suitable for heavy commercial vehicle braking systems?
Yes, it is designed as a heavy-duty component specifically for professional brake system applications.
Does this valve include an inflation function?
Yes, the technical specifications confirm that the inflation valve status is OK for operational use.