2624 Visualized

301.03.0027 KNORR-BREMSE Complete, Air Dryer Valve

301.03.0027

Summary

●Heater: 24 V ●Port 1: M22x1,5 ●Port 21: M22x1,5 ●Pressure: 12,5 BAR ●Port 22: M12x1,5 ●Port 4/23: M12x1,5

EAN Code8699031079905
Ready to Order
Get Information

Description

The high-strength components of this air dryer valve ensure reliable pneumatic regulation within the heavy commercial vehicle brake system. Designed for heavy-duty service, this assembly maintains consistent pressure levels and prevents moisture buildup in the air lines to ensure operational safety.

301.03.0027 is the OE-equivalent of the KNORR-BREMSE II39740FN50 complete, air dryer valve used in IVECO, MAN, and RENAULT TRUCKS systems. This part is also compatible with various other heavy commercial vehicle configurations requiring precise pneumatic control and high-pressure stability.

Workshop technicians should verify the port specifications—including M22x1,5 and M12x1,5 threads—before installation to ensure a perfect seal. This unit operates with a 24 V heater system and is engineered to withstand a working pressure of up to 12,5 BAR, making it suitable for rigorous maintenance cycles in professional fleets.

Technical Specifications

Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure12,5 BAR
Port 22M12x1,5
Port 4/23M12x1,5

Other OEMs

IVECO

  • 3446120005

KNORR-BREMSE

  • II30447
  • II30447ES
  • II39740FN50
  • K004564
  • K004564N50
  • LA 6209
  • LA 8233
  • (LA 6209)
  • LA6209
  • LA8233

MAN

  • 81.52102-6046
  • 81521026046

RENAULT TRUCKS

  • 5001840012

Related Products

Vehicles Used

BrandModelEngine
IVECO
KNORR-BREMSE
MAN
RENAULT TRUCKS

FAQ

What are the compatible OEM numbers for this air dryer valve?
This part is compatible with IVECO 3446120005, KNORR-BREMSE II39740FN50, II39740FN50, II39740FN5 own codes like K004564, K004564N50, LA 6209, LA 8233, MAN 81.521 own codes and RENAULT TRUCKS 5001840012.
Does this unit support a 24V electrical system?
Yes, this complete air dryer valve is designed with a 24 V heater to meet standard heavy commercial vehicle electrical requirements.
What are the specific port thread sizes for installation?
The unit features Port 1 and Port 21 with M22x1,5 threads, while Port 22 and Port 4/23 use M12x1,5 threads for seamless integration.
Is this part suitable for heavy commercial vehicles?
Yes, it is specifically engineered for heavy commercial vehicle brake systems including trucks and buses from brands like IVECO and MAN.
What is the maximum operating pressure for this valve?
The component is designed to function effectively at an operating pressure of up to 12,5 BAR.