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301.02.0040 Air Dryer Valve, Air Dryer Valves
Vaden Part No.

301.02.0040

Air Dryer Valve, Air Dryer Valves

EAN 8699031075372

High-performance air dryer valve with 24V heater and M22x1,5 ports. Compatible with MAN, Liebherr, and Nissan Ud Truck. Check the compatibility list.

Description
Heater: 24 V  Port 1: M22x1,5  Port 21: M22x1,5  Pressure: 8,1 BAR  Port 22: M12x1,5  Port 4/23: - 
Replaces LIEBHERR 502658308 MAN 81.52102-6027 MAN 81.52102-6028 MAN 81.52102-6029 +6

Technical Specifications

6
SpecValue
Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure8,1 BAR
Port 22M12x1,5
Port 4/23-

Cross-Reference

10
BrandPart numberTypeNotes
LIEBHERR 502658308
MAN 81.52102-6027
MAN 81.52102-6028
MAN 81.52102-6029
MAN 81.52102-6057
MAN 81.52102-6062
MAN 81.52102-6063
MAN 81.52102-6081
NISSAN UD TRUCK 475409X402
WABCO 432 410 200 0

All OEM part numbers and brand names are used for reference only. Vaden is not affiliated with, endorsed by, or sponsored by these manufacturers.

Repair Kits

1

Description

For heavy commercial vehicle owners looking for a spare part in the Air Dryer Valve, Air Dryer Valves group, VADEN ORIGINAL 301.02.0040 is a reliable alternative equivalent to the MAN (81521026027, 81521026028, 81521026029, 81521026057, 81521026062, 81521026063, 81521026081), WABCO (4324102000), NISSAN UD TRUCK (475409X402), LIEBHERR (502658308) original. Manufactured to OE-quality standards, it stands out for its durability and fit.

Frequently Asked Questions

What is the function of this air dryer valve?
The valve removes water vapor, oil, and dirt from compressed air to prevent line freeze-up and corrosion in heavy commercial vehicle brake systems.
Which vehicle makes is this part compatible with?
This component is designed for MAN, Liebherr, and Nissan Ud Truck vehicles and is compatible with WABCO systems.
What are the key technical specifications?
This unit features a 24V heater, M22x1,5 and M12x1,5 port sizes, and is rated for an 8.1 BAR operating pressure.
How can I ensure correct installation?
Technicians should compare the M22x1,5 thread dimensions with the existing pneumatic lines before installation to ensure a proper seal.
What are the OE reference numbers of this part?
301.02.0040 directly replaces Liebherr OE number 502658308. It also replaces MAN OE numbers 81521026027, 81521026028, 81521026029, 81521026057, 81521026062, 81521026063, 81521026081, Nissan Ud Truck OE number 475409X402 and WABCO OE number 4324102000.

Vehicle Applications

4
MakeModels
LIEBHERR —
MAN —
NISSAN UD TRUCK —
WABCO —