303.01.0018 Relay Valve
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303.01.0018 Relay Valve — SCANIA / WABCO Compatible

303.01.0018

Summary

●Port 1: M22x1,5 VOSS ●Port 2: M22x1,5 VOSS ●Port 3: M22x1,5 VOSS ●Port 4: M16x1,5 VOSS ●Pressure: MAX 13 BAR

EAN Code8683457000773
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Description

The heavy-duty Relay Valve is a critical component designed to optimize pneumatic signal transmission within the braking system. Engineered with high-strength components, this part ensures precise control and rapid response under demanding operational conditions. Its robust construction is specifically designed to maintain consistent performance in heavy commercial vehicle brake systems.

303.01.0018 is the OE-equivalent Relay Valve used in DAF (1518271), MAN (81.52116-6089), MERCEDES BENZ (004 429 94 44), RENAULT TRUCKS (5010588270), SCANIA (1413698, 1935668, 2038219), VOLVO (20733197), and WABCO (973 011 300 0) systems. This part is engineered to meet strict industrial standards for compatibility and reliability.

For workshop technicians, this component features a specialized port configuration including three M22x1,5 VOSS ports and one M16x1,5 VOSS port, supporting a maximum pressure of up to 13 BAR. Proper installation and regular inspection of the connection points are essential to ensure optimal pneumatic system-wide performance and longevity.

Technical Specifications

Port 1M22x1,5 VOSS
Port 2M22x1,5 VOSS
Port 3M22x1,5 VOSS
Port 4M16x1,5 VOSS
PressureMAX 13 BAR

Other OEMs

DAF

  • 1518271

MAN

  • 81.52116-6089
  • 81521166089

MERCEDES BENZ

  • 004 429 94 44
  • A0044299444

RENAULT TRUCKS

  • 5010588270

SCANIA

  • 1413698
  • 1935668
  • 2038219

VOLVO

  • 20733197

WABCO

  • 973 011 300 0
  • 973.011.300.0
  • 9730113000

Vehicles Used

BrandModelEngine
DAF
EVOBUS
MAN
MERCEDES BENZ
PACCAR
RENAULT TRUCKS
SCANIA
VOLVO
WABCO

FAQ

What are the port specifications for this Relay Valve?
The unit features three M22x1,5 VOSS ports and one M16x1,5 VOSS port, with a maximum operating pressure of 13 BAR.
Which vehicle brands is this part compatible with?
It is compatible with DAF (1518271), MAN (81.52116-6089), MERCEDES BENZ (004 429 94 44), RENAULT TRUCKS (501058827 heavy duty), SCANIA (various), VOLVO (20733197), and WABCO (973 011 3 ♥♥).
Is this part suitable for heavy commercial vehicles?
Yes, this relay valve is designed specifically for heavy commercial vehicle brake systems including trucks and buses.
Can I use this as an OE replacement for WABCO systems?
Yes, it is a compatible replacement for WABCO system code 973 011 3 ♥♥ and other listed OEM numbers.
Does it support high-pressure pneumatic applications?
The component is designed to operate safely at a maximum pressure of up to 13 BAR.