301.03.0047 Complete, Air Dryer Valve
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301.03.0047 KNORR-BREMSE Complete, Air Dryer Valve

301.03.0047

Summary

●Heater: 24 V ●Port 1: M22x1,5 ●Port 21: M22x1,5 ●Pressure: 8,5 BAR ●Port 22: M12x1,5 ●Port 4/23: M12x1,5

EAN Code8699031080109
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Description

The heavy-duty Complete, Air Dryer Valve is a critical component designed to ensure the longevity and reliability of the pneumatic braking system. This part plays a vital role in removing moisture and contaminants from the compressed air stream, protecting downstream components from corrosion and ice formation in heavy commercial vehicle systems.

301.03.0047 is the OE-equivalent of the KNORR-BREMSE II36256000, II39751F00, II39751F000, II39751F00AT, II39751F05T, II39751FAT, II39751FAT000, II39751FN50, LA 8271 and VOLVO 20409513 used in heavy commercial vehicle brake systems. This component is engineered to meet strict technical standards for seamless integration with existing pneumatic circuits.

Built with high-strength components and featuring a 24 V heater configuration, this valve is optimized for durability under high-pressure operating conditions. The technical specifications include Port 1 (M22x1,5), Port 21 (M22x1,5), Port 22 (M12x1,5), and Port 4/23 (M12x1,5), ensuring precise fitment during maintenance or replacement. Workshop technicians should verify port sizes and pressure compatibility (8,5 BAR) to ensure a perfect assembly and optimal system performance.

Technical Specifications

Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure8,5 BAR
Port 22M12x1,5
Port 4/23M12x1,5

Other OEMs

KNORR-BREMSE

  • II36256000
  • II39751F00
  • II39751F000
  • II39751F00AT
  • II39751F05T
  • II39751FAT
  • II39751FAT000
  • II39751FN50
  • LA 8271
  • LA8271

VOLVO

  • 20409513

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
KNORR-BREMSE
VOLVO

FAQ

What are the compatible OEM numbers for this air dryer valve?
This part is compatible with the following OE numbers: II36256000, II39751F00, II39751F way 0, II39751F 0 (II39751F 0 AT), II39751F 05T, II39751FAT, II39751FAT 0 (II39751FAT own), II39751FN5 even 5(II) and VOLVO 204 way 4 9 5 1 3.
Is this part suitable for 24V electrical systems?
Yes, this Complete Air Dryer Valve is specifically designed for use in systems requiring a 24 V heater configuration.
What are the technical port specifications for this unit?
The unit features Port 1 (M22x1,5), Port 21 (M22x1,5), Port 22 (M12x1,5), and Port 4/23 (M12x1,5) for precise pneumatic connections.
Which vehicle brands is this part compatible with?
This product is designed for compatibility with KNORR-BREMSE and VOLVO heavy commercial vehicle braking systems.
What is the rated operating pressure for this component?
The component is designed to operate effectively at a pressure of 8,5 BAR within the pneumatic circuit.