The Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) is a premium HVAC solution engineered for Shacman heavy-duty trucks. This integrated climate system delivers powerful cooling and heating performance, ensuring driver comfort across extreme environments.
At the heart of this assembly lies the external water valve, which precisely modulates engine coolant flow to the heater core. Combined with a high-efficiency evaporator and intelligent control modules, the unit achieves rapid temperature response and stable cabin climate under all load conditions.
Built with OEM-grade components and rigorous quality standards, the Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) offers exceptional durability, low maintenance, and seamless integration with the vehicle’s electrical architecture. It is the preferred choice for fleet operators and owner-drivers seeking reliable all-weather comfort.
The expansion valve is a precision metering device that controls refrigerant flow into the evaporator core. It responds to thermal load changes by adjusting the orifice size, ensuring consistent superheat and maximum cooling efficiency.
This valve works in harmony with the compressor and condenser to maintain optimal system pressure. Its robust construction resists clogging and wear, delivering reliable performance over thousands of operating hours.
Regular inspection of the expansion valve helps prevent icing and poor cooling. When integrated with the Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve), it guarantees precise temperature control in every driving scenario.
The heater core acts as a compact heat exchanger that transfers warmth from engine coolant to the cabin air. Its aluminum fin-and-tube design maximizes surface area for rapid heat dissipation, even at low coolant temperatures.
This component is essential for defrosting windows and maintaining a comfortable interior during winter months. The heater core is engineered to resist corrosion and pressure fluctuations, ensuring long-term reliability.
When paired with the external water valve in the Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve), the heater core delivers responsive and energy-efficient heating performance.
The evaporator blower assembly propels air across the evaporator core to distribute cooled air throughout the cabin. It features a dynamically balanced fan wheel and a high-torque motor that operates quietly across all speed settings.
This assembly ensures uniform airflow, eliminating hot spots and enhancing passenger comfort. Its compact design allows for easy installation and service access within the HVAC housing.
As a vital part of the Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve), the blower assembly is tested for vibration resistance and continuous duty operation.
The speed control module governs the blower motor speed through pulse-width modulation, enabling smooth and precise fan adjustments. It interprets driver inputs and sensor data to deliver the desired airflow with minimal electrical noise.
This intelligent controller reduces energy consumption by matching fan speed to actual cooling or heating demand. Its solid-state circuitry ensures fast response and protection against voltage spikes.
Integrated into the Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve), the speed control module enhances system efficiency and extends component life.
The mode damper actuator (M3000/12V) is a 12V electric motor that positions the HVAC dampers to direct air to the windshield, dash, or floor vents. It employs a feedback potentiometer for accurate angular control.
This actuator enables quick mode changes, allowing drivers to switch between defrost, face, and floor settings instantly. Its durable gears and sealed housing withstand dust and moisture ingress.
As a key component of the Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve), the mode damper actuator ensures optimal air distribution for every cabin condition.
The evaporator core (A029) is a high-performance heat exchanger that removes heat and humidity from the incoming air. Constructed from lightweight aluminum with enhanced louvered fins, it offers superior thermal conductivity and condensation drainage.
This core is designed for maximum refrigerant charge capacity, delivering rapid cooling even during peak summer heat. Its anti-corrosion coating protects against acidic contaminants and road salts.
The evaporator core (A029) works seamlessly with the expansion valve and blower assembly within the Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve), ensuring crisp, dry air year-round.
The evaporator temperature sensor (A029/410758 Supplier) continuously monitors the core surface temperature to prevent freeze-up and optimize system cycling. It provides analog feedback to the control unit for precise thermal management.
This sensor is calibrated for high accuracy and fast thermal response, enabling the system to maintain a consistent evaporator temperature. Its rugged probe and wiring harness are built for under-dash installation.
As a critical sensing element in the Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve), this sensor protects the evaporator from icing while maximizing cooling output.
The Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) undergoes stringent factory testing to ensure flawless operation under extreme temperatures, vibration, and humidity. Every unit is validated for thermal cycling, pressure integrity, and electrical compatibility.
With an IP54-rated enclosure and high-grade connectors, this assembly resists water ingress and electrical interference. The external water valve is crafted from brass and stainless steel, providing leak-free performance and smooth actuation over millions of cycles.
Fleet operators report significant fuel savings and reduced cabin humidity thanks to the unit’s intelligent compressor clutch engagement and variable blower control. The modular design also simplifies service, reducing downtime and maintenance costs.
The Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) is specifically engineered for Shacman H3000 series trucks, including M3000S chassis variants. It directly replaces OEM part numbers and integrates with existing wiring harnesses and refrigerant lines.
Installation is straightforward with basic hand tools and standard HVAC service procedures. The assembly includes all mounting brackets, gaskets, and O-rings for a secure, leak-proof fit. A detailed installation manual is provided with torque specifications and refrigerant charge recommendations.
For aftermarket applications, this unit is compatible with R134a and R1234yf refrigerants, offering flexibility for different regional regulations. Always consult the vehicle’s service guide to confirm system compatibility before installation.
| Part Number | Part Name |
|---|---|
| DZ13241821115 | Expansion Valve |
| DZ15221840103A | Heater Core |
| DZ15221840402 | Evaporator Blower Assembly |
| DZ15221840412A | Speed Control Module |
| DZ15221841215 | Mode Damper Actuator (M3000/12V) |
| PDZ15221840701A | Evaporator Core (A029) |
| PDZ15221841204A | Evaporator Temperature Sensor (A029/410758 Supplier) |
OEM-Grade Quality – Manufactured to exacting Shacman specifications, this assembly guarantees a perfect fit, reliable performance, and full compatibility with the vehicle’s electronic climate control system.
Enhanced Energy Efficiency – The external water valve and variable-speed blower reduce compressor load and fan power consumption, resulting in measurable fuel savings and lower operating costs over the lifetime of the unit.
Durable Construction – Featuring corrosion-resistant materials, sealed connectors, and robust motor windings, this HVAC unit withstands harsh road environments, extreme temperatures, and continuous vibration without compromising performance.
Comprehensive Support – Backed by detailed technical documentation, application guidance, and a responsive service network, we ensure that every customer receives the assistance needed for smooth installation and long-term satisfaction.
The Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) incorporates smart diagnostic capabilities that monitor system pressures, temperatures, and actuator positions in real time. Fault codes are stored and can be retrieved via the vehicle’s diagnostic port, expediting troubleshooting.
An integrated anti-frost logic automatically adjusts compressor cycling and blower speed to prevent evaporator icing, even in high-humidity conditions. This feature preserves cooling capacity and extends the life of the evaporator core and expansion valve.
The external water valve offers fail-safe operation with a spring-return mechanism that defaults to the heating position in the event of electrical failure, ensuring that cabin heating remains available for safety and comfort. This redundant design is a hallmark of the unit’s reliability.
This HVAC assembly is ideal for long-haul trucking, construction, and mining operations where drivers face extreme temperature swings and demanding duty cycles. The robust cooling capacity quickly lowers cabin temperatures in desert climates, while the powerful heater core provides rapid defrosting in sub-zero conditions.
Urban delivery fleets benefit from the unit’s quiet operation and energy-efficient design, reducing noise pollution and fuel consumption during stop-and-go driving. The precise temperature control also enhances driver alertness and reduces fatigue on extended shifts.
For off-road applications, the sealed housing and vibration-resistant mounts protect sensitive components from dust, mud, and shocks. The Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) is built to perform reliably wherever the road takes you.
Regular maintenance ensures that the Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) delivers peak performance throughout its service life. Check the refrigerant charge annually and inspect all hoses and fittings for signs of wear or leakage.
Clean the evaporator and condenser coils with a mild detergent and soft brush to remove debris and improve heat transfer. Replace the cabin air filter every 12,000 miles to maintain airflow and reduce strain on the blower motor.
Periodically test the mode damper actuator and speed control module for smooth operation. Lubricate the actuator linkages if necessary, and verify that the external water valve cycles freely without binding. Following these steps will prevent costly repairs and ensure uninterrupted comfort.
Every Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) is subjected to a rigorous quality assurance process that includes dimensional checks, electrical performance tests, and leak detection using helium mass spectrometry. Only units that pass all criteria are released for shipment.
Our manufacturing facility is IATF 16949 certified, ensuring that production processes meet the highest automotive industry standards. Traceability codes on each component enable full material and process tracking, providing transparency and accountability.
We stand behind the quality of this HVAC assembly with a comprehensive warranty that covers manufacturing defects and premature failures. Our commitment to excellence ensures that you receive a product that delivers reliable, long-lasting comfort for your Shacman truck.
The Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) represents the pinnacle of climate control technology for heavy-duty trucks. Its comprehensive component set – from the expansion valve and heater core to the evaporator core and temperature sensor – works in unison to deliver superior thermal comfort.
With its robust construction, intelligent control algorithms, and user-friendly maintenance, this assembly offers outstanding value for both new vehicle builds and aftermarket replacements. Choose the Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) for dependable, efficient, and precise cabin climate management in every season.
Upgrade your driving experience with a system that is engineered for performance, built to last, and backed by a legacy of Shacman quality. The Shacman H3000 4010758-Air Conditioner Unit Assembly (M3000S-External Water Valve) is your partner for comfort on the road.
