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301.03.0034 Compatible Air Dryer Valve

301.03.0034

Summary

High-performance Air Dryer Valve designed for heavy commercial vehicle brake systems. This unit features a 24 V heater, M22x1,5 and M12x1,5 port configurations, and operates at 9,5 BAR pressure to ensure reliable moisture removal for Iveco applications. Equivalent to OE Iveco 42109791 and Knorr-Bremse II30651.

Product identifiers
EAN Code8699031079974
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8243
    • II30651N50
    • II30651N00
    • II30651
  • IVECO
    • 42109791

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic brake system by removing moisture, oil, and particulates from the compressed air supply. By maintaining dry air throughout the system, it prevents corrosion and protects sensitive braking components from damage. This unit is manufactured using high-strength components to withstand demanding operating conditions.

Vehicle and system compatibility

This specific model is designed to be compatible with Iveco vehicles and Knorr-Bremse systems. It ensures consistent air quality for heavy commercial vehicle fleets, maintaining the integrity of the entire pneumatic circuit under pressure.

Technical specifications and installation

The technical configuration includes a 24 V heater to prevent freezing in cold climates, with port sizes of M22x1,5 and M12x1,5. Technicians should verify the pressure requirements and port threading during installation to ensure a secure seal within the air processing unit.

Maintenance and selection

Consult your authorized distributor to ensure correct fitment for your specific vehicle application.

OE cross-reference

301.03.0034 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Iveco and Knorr-Bremse OE numbers. This part directly replaces Iveco OE number 42109791. It also replaces Knorr-Bremse OE numbers II30651, II30651N00, II30651N50, LA8243.

Technical Specifications

Technical Specifications
Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure9,5 BAR
Port 22M12x1,5
Port 4/23M12x1,5

Other OEMs

IVECO

  • 42109791

KNORR-BREMSE

  • LA8243
  • LA 8243
  • II30651N50
  • II30651N00
  • II30651

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
IVECO
KNORR-BREMSE

FAQ

What is the primary function of this air dryer valve?
The valve removes moisture, oil, and contaminants from compressed air to protect the pneumatic braking system from corrosion and freezing.
Is this component compatible with Iveco vehicles?
Yes, this air dryer valve is designed for compatibility with Iveco vehicles and Knorr-Bremse systems.
What are the technical port specifications?
The unit features M22x1,5 ports (Port 1 and Port 21) and M12x1,5 ports (Port 22 and Port 4/23) to ensure proper integration.
Does this unit include a heating element?
Yes, this model is equipped with a 24 V heater to assist in preventing moisture freezing during operation.
What are the OE reference numbers of this part?
301.03.0034 directly replaces Iveco OE number 42109791. It also replaces Knorr-Bremse OE numbers II30651, II30651N00, II30651N50, LA8243.