

WG1642840025_2 Air Conditioner Assembly is engineered specifically for heavy-duty trucks, delivering unmatched cooling performance and durability. As a core component of genuine Howo/Sitrak truck parts portfolio, this HVAC unit ensures rapid cabin temperature control even in extreme climates. Designed with robust materials and precision fitment, the WG1642840025_2 assembly guarantees reliable operation, reduced maintenance, and energy efficiency. Whether you’re upgrading or replacing, this air conditioner assembly provides factory-level quality that prolongs the lifespan of your truck’s climate system.
Air conditioner assembly
Блок кондиционера (RU)
Conjunto de aire acondicionado (ES)
Delivers up to 12% faster cabin cool-down compared to standard units. The WG1642840025_2 features an optimized evaporator core and high-efficiency compressor, ensuring consistent airflow and temperature stability.
Built with corrosion-resistant aluminum housing and sealed electric connectors, the assembly withstands vibration, moisture, and dust. OEM-grade sealing ensures leak-free operation over thousands of operating hours.
Low power consumption design reduces alternator load, improving fuel economy by up to 3%. The WG1642840025_2 integrates smart clutch control for optimized cycling.
Direct replacement for Howo, Sitrak, and compatible heavy trucks. All mounting points, hose connections, and electrical terminals align perfectly – no modifications required.
| Parameter | Value / Description |
|---|---|
| OEM Number | WG1642840025_2 |
| Type | Air Conditioner Assembly (HVAC) |
| Compressor Type | Reciprocating, 6-cylinder |
| Cooling Capacity | 18,000 – 22,000 BTU/h |
| Refrigerant | R134a / R1234yf compatible |
| Voltage | 24V DC (truck system) |
| Housing Material | Aluminum alloy + corrosion coating |
| Weight | 9.8 kg (net) |
| Fitment | Howo, Sitrak, SINOTRUK series |
The WG1642840025_2 assembly undergoes 100% leak and function testing before shipment, ensuring every unit meets stringent quality standards. Its compact design saves space under the dashboard while delivering powerful air distribution.
Integrated with a smart electronic expansion valve, the unit adapts to real-time thermal load, reducing energy waste. The WG1642840025_2 also features a recirculation filter that captures particles, improving cabin air quality.
Service-friendly design with accessible drain ports and quick-connect fittings. The WG1642840025_2 allows simple cleaning of the evaporator coil and replacement of the dryer filter without special tools.
The Air Conditioner Assembly is not just a spare part; it’s a climate solution engineered for the most demanding haulage operations. Heavy-duty trucks, especially those operating in desert or tropical regions, require a cooling system that can sustain high performance without frequent breakdowns. This unit incorporates a high-condensing coil and a dual-speed fan that adjusts automatically based on engine temperature and cabin settings.
Compared to aftermarket alternatives, the Air Conditioner Assembly offers superior resistance to refrigerant leakage thanks to its double O-ring sealed joints and laser-welded pipes. The compressor clutch engages smoothly, reducing belt wear and noise. Fleet operators have reported extended service intervals of up to 15,000 km with this assembly.
Compatibility covers a wide range of chassis: Howo A7, T7H, Sitrak C7H, and SINOTRUK heavy-duty series. The mounting bracket aligns with existing holes, and the wiring harness uses standard 24V connectors. No adapter plates or harness modifications are needed – a true direct-fit upgrade.
For workshops and DIY installers, the WG1642840025_2 comes with a detailed installation guide and torque specifications. All fasteners are pre-coated with anti-seize compound to simplify future disassembly. The unit’s protective coating also resists stone chips and road salt, ensuring long-term aesthetic and functional integrity.
Environmental considerations are also addressed: the Air Conditioner Assembly is designed for use with low-GWP refrigerants, supporting global sustainability goals. Its energy-efficient compressor reduces engine load, which directly contributes to lower CO₂ emissions per mile. Many fleets choose this assembly as part of their green logistics initiatives.
Additionally, the Air Conditioner Assembly includes a built-in pressure relief valve to prevent system over-pressurization, a common failure point in lesser designs. The control module is potted against moisture and vibration, ensuring stable electronic behavior across all operating conditions. With over 500 hours of bench testing, this assembly has proven its resilience in both lab and real-world scenarios.
When installed correctly, the Air Conditioner Assembly produces a noise level below 62 dB(A) at maximum fan speed, creating a quiet cabin environment that reduces driver fatigue. The airflow reaches up to 420 m³/h, ensuring even distribution to all vents, including the side windows and footwell areas. This holistic approach to cabin comfort makes the WG1642840025_2 a top choice for owner-operators and large fleets alike.
The WG1642840025_2 assembly has become the benchmark for aftermarket HVAC solutions in the Howo/Sitrak ecosystem. Its balance of cost, durability, and cooling performance is unmatched. Whether you are operating in the Australian outback or the Russian tundra, this unit delivers consistent cabin comfort year-round.