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The 4324100070 universal commercial truck air dryer (WABCO OEM 4324100070) is an innovative compressed air treatment solution engineered by AHEM for universal commercial truck systems and enterprise fleets across the globe. As a hybrid desiccant-membrane air dryer for commercial trucks, it combines the best of desiccant-based and membrane drying technologies to deliver ultra-low dew points, high energy efficiency, and consistent performance—solving the moisture-related problems that plague commercial vehicle compressed air systems, such as corrosion, component failure, and brake system malfunctions. This air dryer is a direct OEM replacement for WABCO systems and compatible with major commercial truck brands, making it the ideal choice for enterprise users operating freight fleets, city buses, and heavy-duty commercial vehicles. It features an intelligent real-time control system and eco-friendly design, aligning with the energy-saving and sustainability goals of modern commercial vehicle fleets while reducing long-term operational costs.

Specification | Details |
WABCO OEM Part Number | 4324100070 |
Alternative Cross Reference | 4324100202, Daewoo 3454402010, DAF 1517963, Iveco 981819 |
Port Configurations | Port1: M22x1.5, Port21: M22x1.5, Port22: M12x1.5, Port4/23: M12x1.5 |
Max Operating Pressure | 14bar (13bar standard working pressure) |
Drying System | Hybrid desiccant + high-performance membrane drying (dual-stage) |
Control System | Intelligent real-time sensor monitoring (dew point/pressure/flow control) |
Operational Temperature Range | -40°C to +65°C (extreme environment compatibility) |
Core Function | Remove moisture/contaminants from commercial truck compressed air systems |
Innovative Hybrid Drying Technology: The 4324100070 air dryer features a patent-pending dual-stage hybrid system: the desiccant stage removes bulk moisture from compressed air, while the high-performance membrane stage polishes air to an ultra-low dew point (far lower than traditional single-technology dryers). This ensures 100% moisture-free compressed air, eliminating corrosion and failure in brake, suspension, and pneumatic systems—critical for enterprise fleets operating in high-humidity or cold regions.
Intelligent Real-Time Control: Integrated advanced sensors and an intelligent control system monitor and adjust the drying process in real time, precisely regulating dew point, pressure, and flow rate. This prevents over-drying or under-drying, ensuring optimal compressed air quality at all times and reducing unnecessary energy consumption—directly cutting the enterprise’s energy bills.
Enhanced Reliability & Self-Diagnosis: All components are made from high-quality, wear-resistant materials; desiccant beds have an extended lifespan and easy regeneration, while the membrane is resistant to fouling and degradation. The built-in self-diagnostic system detects potential issues and alerts operators, enabling timely maintenance and eliminating unplanned fleet downtime—a key benefit for enterprise users with strict delivery schedules.
Energy-Saving & Eco-Friendly Design: Unlike traditional desiccant dryers, the membrane stage requires no additional energy for operation, and the hybrid system uses 18% less energy for desiccant regeneration. The dryer contains no harmful chemicals or refrigerants, making it an environmentally friendly choice that aligns with global sustainability regulations and the enterprise’s green operation goals.
The 4324100070 universal commercial truck air dryer is designed for all universal commercial truck compressed air systems, making it suitable for a wide range of enterprise fleet applications: long-haul freight trucks (Volvo, Scania, MAN), city and chassis buses, light and heavy-duty logistics vehicles, and special commercial vehicles (refrigerated trucks, construction transport vehicles). It excels in extreme operating environments, including high-humidity coastal regions, low-temperature cold zones, and high-altitude plateaus—delivering stable dew point control with only ±3°C fluctuation. Beyond commercial trucks, it is also a reliable solution for industrial compressed air systems in port and logistics facilities, meeting the diverse air drying needs of enterprise users across different industries.
For enterprise users seeking high-performance, energy-efficient air drying solutions for commercial vehicle fleets, AHEM is the trusted partner with cutting-edge drying technology and industry expertise:
WABCO OEM-Grade Compatibility: The 4324100070 air dryer is manufactured to WABCO’s strict original equipment standards, ensuring perfect fit and performance with WABCO systems and major commercial truck brands—no modification required for installation.
Customized Solutions for Enterprise Fleets: Our engineering team offers tailored customization, including adjustable capacity, dew point control, and pressure ratings, to match the specific operating conditions of your enterprise’s fleet (e.g., high-humidity or cold-region operation).
Full-Cycle Technical Support & Training: We provide end-to-end support, from pre-sales product selection and on-site installation guidance to post-sales maintenance and operator training—ensuring your team can maximize the dryer’s performance and lifespan.
Proven Energy & Cost Savings: AHEM’s hybrid air dryers have been field-tested to reduce enterprise fleet energy costs by up to 25% annually, while eliminating moisture-related component replacement costs—delivering tangible long-term ROI.
The core WABCO OEM part number is 4324100070, with alternative cross references including 4324100202, Daewoo 3454402010, and DAF 1517963.
It features an innovative hybrid desiccant-membrane dual-stage drying system, combining bulk moisture removal (desiccant) and ultra-low dew point polishing (membrane) for superior moisture control.
The maximum operating pressure is 14bar, with a standard working pressure of 13bar—suitable for all heavy-duty commercial truck compressed air systems.
Yes. We provide comprehensive operator and maintenance training programs for enterprise users, ensuring your team can operate, monitor, and maintain the dryer for optimal performance and longevity.
If your enterprise operates a commercial truck fleet, bus fleet, or industrial compressed air system and needs a reliable 4324100070 WABCO OEM air dryer or customized hybrid air drying solution, AHEM’s technical experts are ready to support you. Click Inquire to submit your fleet’s operating conditions and requirements, and we will provide a tailored quote, detailed technical specifications, and on-site support—ensuring your compressed air systems are moisture-free, energy-efficient, and reliable. Partner with AHEM for innovative air drying technology that drives your enterprise fleet’s efficiency and sustainability.
The 4324100070 universal commercial truck air dryer (WABCO OEM 4324100070) is an innovative compressed air treatment solution engineered by AHEM for universal commercial truck systems and enterprise fleets across the globe. As a hybrid desiccant-membrane air dryer for commercial trucks, it combines the best of desiccant-based and membrane drying technologies to deliver ultra-low dew points, high energy efficiency, and consistent performance—solving the moisture-related problems that plague commercial vehicle compressed air systems, such as corrosion, component failure, and brake system malfunctions. This air dryer is a direct OEM replacement for WABCO systems and compatible with major commercial truck brands, making it the ideal choice for enterprise users operating freight fleets, city buses, and heavy-duty commercial vehicles. It features an intelligent real-time control system and eco-friendly design, aligning with the energy-saving and sustainability goals of modern commercial vehicle fleets while reducing long-term operational costs.

Specification | Details |
WABCO OEM Part Number | 4324100070 |
Alternative Cross Reference | 4324100202, Daewoo 3454402010, DAF 1517963, Iveco 981819 |
Port Configurations | Port1: M22x1.5, Port21: M22x1.5, Port22: M12x1.5, Port4/23: M12x1.5 |
Max Operating Pressure | 14bar (13bar standard working pressure) |
Drying System | Hybrid desiccant + high-performance membrane drying (dual-stage) |
Control System | Intelligent real-time sensor monitoring (dew point/pressure/flow control) |
Operational Temperature Range | -40°C to +65°C (extreme environment compatibility) |
Core Function | Remove moisture/contaminants from commercial truck compressed air systems |
Innovative Hybrid Drying Technology: The 4324100070 air dryer features a patent-pending dual-stage hybrid system: the desiccant stage removes bulk moisture from compressed air, while the high-performance membrane stage polishes air to an ultra-low dew point (far lower than traditional single-technology dryers). This ensures 100% moisture-free compressed air, eliminating corrosion and failure in brake, suspension, and pneumatic systems—critical for enterprise fleets operating in high-humidity or cold regions.
Intelligent Real-Time Control: Integrated advanced sensors and an intelligent control system monitor and adjust the drying process in real time, precisely regulating dew point, pressure, and flow rate. This prevents over-drying or under-drying, ensuring optimal compressed air quality at all times and reducing unnecessary energy consumption—directly cutting the enterprise’s energy bills.
Enhanced Reliability & Self-Diagnosis: All components are made from high-quality, wear-resistant materials; desiccant beds have an extended lifespan and easy regeneration, while the membrane is resistant to fouling and degradation. The built-in self-diagnostic system detects potential issues and alerts operators, enabling timely maintenance and eliminating unplanned fleet downtime—a key benefit for enterprise users with strict delivery schedules.
Energy-Saving & Eco-Friendly Design: Unlike traditional desiccant dryers, the membrane stage requires no additional energy for operation, and the hybrid system uses 18% less energy for desiccant regeneration. The dryer contains no harmful chemicals or refrigerants, making it an environmentally friendly choice that aligns with global sustainability regulations and the enterprise’s green operation goals.
The 4324100070 universal commercial truck air dryer is designed for all universal commercial truck compressed air systems, making it suitable for a wide range of enterprise fleet applications: long-haul freight trucks (Volvo, Scania, MAN), city and chassis buses, light and heavy-duty logistics vehicles, and special commercial vehicles (refrigerated trucks, construction transport vehicles). It excels in extreme operating environments, including high-humidity coastal regions, low-temperature cold zones, and high-altitude plateaus—delivering stable dew point control with only ±3°C fluctuation. Beyond commercial trucks, it is also a reliable solution for industrial compressed air systems in port and logistics facilities, meeting the diverse air drying needs of enterprise users across different industries.
For enterprise users seeking high-performance, energy-efficient air drying solutions for commercial vehicle fleets, AHEM is the trusted partner with cutting-edge drying technology and industry expertise:
WABCO OEM-Grade Compatibility: The 4324100070 air dryer is manufactured to WABCO’s strict original equipment standards, ensuring perfect fit and performance with WABCO systems and major commercial truck brands—no modification required for installation.
Customized Solutions for Enterprise Fleets: Our engineering team offers tailored customization, including adjustable capacity, dew point control, and pressure ratings, to match the specific operating conditions of your enterprise’s fleet (e.g., high-humidity or cold-region operation).
Full-Cycle Technical Support & Training: We provide end-to-end support, from pre-sales product selection and on-site installation guidance to post-sales maintenance and operator training—ensuring your team can maximize the dryer’s performance and lifespan.
Proven Energy & Cost Savings: AHEM’s hybrid air dryers have been field-tested to reduce enterprise fleet energy costs by up to 25% annually, while eliminating moisture-related component replacement costs—delivering tangible long-term ROI.
The core WABCO OEM part number is 4324100070, with alternative cross references including 4324100202, Daewoo 3454402010, and DAF 1517963.
It features an innovative hybrid desiccant-membrane dual-stage drying system, combining bulk moisture removal (desiccant) and ultra-low dew point polishing (membrane) for superior moisture control.
The maximum operating pressure is 14bar, with a standard working pressure of 13bar—suitable for all heavy-duty commercial truck compressed air systems.
Yes. We provide comprehensive operator and maintenance training programs for enterprise users, ensuring your team can operate, monitor, and maintain the dryer for optimal performance and longevity.
If your enterprise operates a commercial truck fleet, bus fleet, or industrial compressed air system and needs a reliable 4324100070 WABCO OEM air dryer or customized hybrid air drying solution, AHEM’s technical experts are ready to support you. Click Inquire to submit your fleet’s operating conditions and requirements, and we will provide a tailored quote, detailed technical specifications, and on-site support—ensuring your compressed air systems are moisture-free, energy-efficient, and reliable. Partner with AHEM for innovative air drying technology that drives your enterprise fleet’s efficiency and sustainability.