301.03.0052 Complete, Air Dryer Valve
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301.03.0052 KNORR-BREMSE Complete, Air Dryer Valve

301.03.0052

Summary

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

EAN Code8699031080154
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Description

This heavy-duty grade component serves as a critical element within the pneumatic brake system, ensuring stable air pressure and moisture control for heavy commercial vehicles. Designed with high-strength components, it maintains optimal functionality under rigorous operating conditions.

301.03.0052 is the OE equivalent of the KNORR-BREMSE I98286, II37715, II37715AT, II39752F00, II39752F000, II39752F05T, II39752FAT, II39752FAT000, II39752FN50, and LA 8286 complete air dryer valves used in KNORR-BREMSE systems. This part is engineered to match exact technical specifications for seamless integration into heavy commercial vehicle braking architectures.

For workshop technicians performing maintenance or system overhauls, this unit features a 24 V heater and specific port configurations including M22x1,5 and M12x1,5 threads. It is essential to verify the port sizes and pressure requirements (12 BAR) during installation to ensure the pneumatic circuit functions correctly without leaks or pressure drops.

Technical Specifications

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

Other OEMs

KNORR-BREMSE

  • I98286
  • II37715
  • II37715AT
  • II39752F00
  • II39752F000
  • II39752F05T
  • II39752FAT
  • II39752FAT000
  • II39752FN50
  • LA 8286
  • LA8286

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
KNORR-BREMSE

FAQ

Which OEM numbers is this part compatible with?
This product is compatible with KNORR-BREMSE codes: I98286, II37715, II37715AT, II39752F00, II39752F000, II39752F05T, II39752FAT, II39752FAT000, II39752FN50, and LA 8286.
What is the electrical requirement for this air dryer valve?
The unit is equipped with a 24 V heater to ensure reliable performance in cold weather conditions.
What are the connection thread specifications?
The component features Port 1 and Port 21 at M22x1,5 and Port 4/23 and Port 22 at M12x1,5 for standard pneumatic connections.
Is this part suitable for heavy commercial vehicles?
Yes, it is a high-strength component designed specifically for heavy commercial vehicle brake systems.
What is the maximum operating pressure for this valve?
The technical specification for this complete air dryer valve is rated for a pressure of 12 BAR.