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301.05.0002 Governor Valve for Volvo Trucks

301.05.0002

Summary

This governor valve is designed for Volvo heavy commercial vehicles, featuring a 7.9 BAR pressure setting and an M10x1 port. It ensures precise air pressure regulation within the pneumatic braking system for optimal performance and safety. Equivalent to OE Knorr-Bremse 1189393000 and Volvo 1505047.

Product identifiers
EAN Code8699031057651
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Compatible OEM Codes

  • VOLVO
    • 949873
    • 3944252
    • 1505047
  • KNORR-BREMSE
    • 1189393000

Description

What does a governor valve do?

This governor valve serves as a critical component in the air brake compressor system, regulating the air pressure levels required for safe and consistent braking operation. By managing the compressor's output, it prevents over-pressurization and ensures the pneumatic system maintains the correct operating range for heavy-duty performance.

Compatible Volvo models and engines

This component is specifically compatible with various Volvo truck models including the F10, F12, FL10, FL12, NL10, NL12, B10B, B10M, and B12 series. It is designed to work seamlessly with engines such as TD102, TD122, TD103, D10A, TD123, and D12A. This part is also suitable for systems using Knorr-Bremse or Volvo OE-referenced specifications.

Installation and maintenance guidance

When performing maintenance or repairs on the air brake system, technicians should verify that the 7.9 BAR pressure rating and M10x1 port configuration match the existing hardware to ensure correct calibration. Regular inspection of the valve helps prevent air leaks and ensures reliable pressure regulation across the braking circuit.

System reliability and selection

For optimal reliability in heavy commercial vehicle applications, always ensure the replacement part matches the specific technical requirements of the compressor assembly to maintain system integrity.

OE cross-reference

301.05.0002 (Compressor Governor Valve) is the equivalent of the Knorr-Bremse and Volvo OE numbers. This part directly replaces Knorr-Bremse OE number 1189393000. It also replaces Volvo OE numbers 1505047, 3944252, 949873.

Technical Specifications

Technical Specifications
Pressure7,9 BAR
PortM10x1

Other OEMs

KNORR-BREMSE

  • 1189393000

VOLVO

  • 949873
  • 3944252
  • 1505047

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
VOLVO
VOLVO B10B D10A
VOLVO B10M D10A
VOLVO B12 D12A
VOLVO F10 TD102
VOLVO F12 TD122
VOLVO FL10 D10A
VOLVO FL10 TD102
VOLVO FL10 TD103
VOLVO FL12 TD122
VOLVO FL12 TD123
VOLVO NL10 D10A
VOLVO NL12 D12A

FAQ

What is the primary function of this governor valve?
It regulates the air pressure within the compressor system to ensure the pneumatic brake system operates within safe and consistent pressure parameters.
Which Volvo engine models are compatible with this part?
This valve is compatible with Volvo engines including TD102, TD122, TD103, D10A, TD123, and D12A across several truck models.
What are the key technical specifications?
The unit features a 7.9 BAR pressure setting and utilizes an M10x1 port connection for integration into the air brake system.
How can I ensure correct fitment for my vehicle?
Check that your compressor's pressure requirements match 7.9 BAR and that your existing port size is M10x1 to ensure proper installation.
What are the OE reference numbers of this part?
301.05.0002 directly replaces Knorr-Bremse OE number 1189393000. It also replaces Volvo OE numbers 1505047, 3944252, 949873.