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301.03.0051 Compatible Air Dryer Valve

301.03.0051

Summary

This heavy-duty grade air dryer valve features a 12 V heater and M22x1.5 port configurations. Designed for reliable air brake system performance, it ensures moisture removal to protect pneumatic components in heavy commercial vehicle systems. Equivalent to OE Knorr-Bremse II31738.

Product identifiers
EAN Code8699031080147
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8282
    • II31738N50
    • II31738

Description

This air dryer valve plays a critical role in maintaining the integrity of the pneumatic braking system. By effectively managing moisture and contaminants, it prevents corrosion and freezing within the lines, ensuring consistent braking performance for heavy commercial vehicles.

The unit is designed to work within high-pressure environments, supporting up to 12 BAR. It features specific port configurations including M22x1.5 and M16x1.5 VOSS connections, making it a precise fit for professional maintenance requirements.

For technicians performing installation, ensure all port connections are secure and that the 12 V heater connections are correctly seated to prevent moisture buildup in cold climates. Regular inspection of the valve ensures long-term reliability of the entire air brake circuit.

This component is compatible with Knorr-Bremse systems. Consult your authorized distributor.

OE cross-reference

301.03.0051 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers II31738, II31738N50, LA8282.

Technical Specifications

Technical Specifications
Heater12 V
Port 1M22x1,5
Port 21M22x1,5
Pressure12 BAR
Port 22-
Port 4/23M16x1,5 VOSS

Other OEMs

KNORR-BREMSE

  • LA8282
  • LA 8282
  • II31738N50
  • II31738

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE

FAQ

What is the function of this air dryer valve?
It removes moisture and contaminants from the compressed air system to prevent corrosion and freeze-up in the braking system.
What are the technical port specifications?
This valve features M22x1.5 ports (Port 1 and 21) and an M16x1.5 VOSS connection (Port 4/23).
Does this component include a heater?
Yes, this model is equipped with a 12 V heater to assist in preventing moisture buildup during cold operations.
What pressure rating is this valve suitable for?
This component is designed to operate effectively within a 12 BAR pressure range.
What are the OE reference numbers of this part?
301.03.0051 directly replaces Knorr-Bremse OE numbers II31738, II31738N50, LA8282.