The Sitrak Additional Heater Duct Assembly is a comprehensive HVAC (Heating, Ventilation, and Air Conditioning) accessory kit designed to enhance cabin climate control in SINOTRUK Sitrak trucks, specifically for narrow-body models. As a sophisticated example of genuine Sinotruk Sitrak parts, this assembly enables the installation of an auxiliary heating system, distributing warm air efficiently throughout the cabin for increased driver comfort in cold conditions. The Sitrak Additional Heater Duct Assembly includes all necessary ducts, pipes, covers, and fasteners, engineered for seamless integration with the vehicle’s existing architecture, providing a reliable supplemental heat source and improved air distribution.
The Sitrak Additional Heater Duct Assembly is a complete kit for adding a supplementary heating unit to the truck’s cabin. It is designed for narrow-body SINOTRUK Sitrak models where standard heating may need reinforcement, especially in extremely cold climates. The system includes an optimized heater core, air ducts, and distribution components that work alongside the main HVAC system to provide faster and more uniform warmth, ensuring driver comfort and preventing window fogging during winter operations.
This assembly features a network of specialized ducts and pipes designed to route warm air efficiently. Key components include left and right air ducts for the narrow cabin, a central air distributor, a corrugated pipe for flexibility, and dedicated hot air pipes. The system also includes driver and passenger side air outlets to direct heat where it’s needed most. The Sitrak Additional Heater Duct Assembly ensures balanced airflow, eliminating cold spots within the cabin.
The Sitrak Additional Heater Duct Assembly is supplied as a full installation package. It contains not only the primary functional components like the heater, ducts, and pipes but also all necessary mounting hardware. This includes heater upper and lower covers, various screws, bolts, nuts, washers, hose clamps, and plastic nut seats. A specialized tool for modifying the rear floor mat is even included, ensuring a professional and complete installation without the need to source additional parts.
Specifically engineered for narrow-body truck cabs, this assembly features components like a narrow-body air distributor and symmetrically designed left/right air ducts that fit perfectly within the spatial constraints. The design optimizes heat transfer and airflow without compromising cabin space. The Sitrak Additional Heater Duct Assembly is a direct-fit solution that maintains the vehicle’s interior ergonomics while significantly upgrading its climate control capabilities for long-haul drivers in colder regions.
The Sitrak Additional Heater Duct Assembly (4KM for Narrow Body) is a detailed kit comprising numerous parts. The following table lists every component, its part number, English description, and quantity for precise identification and ordering.
| No. | Part Number | Part Name English | Quantity |
|---|---|---|---|
| 1 | 710W61949-0039 | Heater Upper Cover | 1 |
| 2 | M06W07210-3310 | Plastic Internal Hex Screw M3299-D-5X16-ST-A3C | 5 |
| 3 | M06-07213-4314 | Round Head Bolt (M3299-D-6X25-ST-MM183-B1) | 6 |
| 4 | M06-07213-4314 | Round Head Bolt (M3299-D-6X25-ST-MM183-B1) | 8 |
| 5 | 712W61949-0130 | Air Outlet Pipe | 1 |
| 6 | Q2714822F31 | Cross Recessed Pan Head Self-Tapping Screw | 3 |
| 7 | 190003989314 | Hose Clamp | 2 |
| 8 | 710W61950-0355 | Air Duct | 1 |
| 9 | 710W61950-0268 | Air Distributor (Narrow Body) | 1 |
| 10 | 710W61950-0270 | Left Air Duct (Narrow Body, Left Side) | 1 |
| 11 | 710W61950-0271 | Right Air Duct (Narrow Body, Symmetrical to Left) | 1 |
| 12 | 712W61949-0110 | Intake Pipe Assembly | 1 |
| 13 | 712W61949-0120 | Exhaust Pipe Assembly | 1 |
| 14 | 710W61949-0041 | Suction Bell Mouth (Narrow Body) | 1 |
| 15 | M06-11240-0403 | Hexagon Nut BM6-8-MM183-B1 | 2 |
| 16 | M06-15013-0409 | Washer GB/T97.1-6-MM183-B1 | 2 |
| 17 | Y2160084220001 | Heater (Welding Temperature Optimized) | 1 |
| 18 | Z032006 | Hexagon Flange Nut M6 | 4 |
| 19 | 710W61949-0026 | Heater Lower Cover | 1 |
| 20 | 710W61950-0261 | Corrugated Pipe | 1 |
| 21 | 710W61950-0371 | Hot Air Pipe | 1 |
| 22 | 810W90685-0374 | Plastic Nut Seat (ST-4.8) | 3 |
| 23 | 710W61950-0259 | Air Outlet (Driver Side) | 1 |
| 24 | 710W61950-0260 | Air Outlet (Passenger Side) | 1 |
| 25 | 712-62860-0033 | Rear Floor Mat Modification Tool (Additional Heater, Narrow Body) | 1 |
| 26 | Q1460616 | Hexagon Head Bolt, Spring Washer and Flat Washer Assembly | 1 |
| 27 | Q1460616 | Hexagon Head Bolt, Spring Washer and Flat Washer Assembly | 2 |
| 28 | W09731470061 | Bracket | 1 |
Note: This assembly is designed for narrow-body SINOTRUK Sitrak cabs. Ensure compatibility with your specific vehicle model.
Our Sitrak Additional Heater Duct Assembly is an authentic OEM component kit, manufactured to SINOTRUK’s precise specifications. Every duct, bracket, and fastener is designed to fit perfectly within the narrow-body cabin architecture, ensuring seamless integration with existing HVAC systems and vehicle wiring. This eliminates installation headaches, air leaks, and performance issues associated with universal or aftermarket kits, guaranteeing optimal functionality and reliability from the moment of installation.
This assembly directly contributes to driver well-being and safety. By providing rapid, supplemental heat, it ensures a comfortable cabin temperature in extreme cold, reducing driver fatigue and maintaining focus. Effective defrosting and demisting capabilities improve windshield clarity, a critical safety factor. The optimized heater core ensures efficient heat output while the balanced ductwork prevents hot or cold spots, creating a consistent and pleasant cabin environment for long journeys.
We provide the Sitrak Additional Heater Duct Assembly as a fully comprehensive kit. It includes every single component required for installation: from the main heater unit and complex ducting down to the last screw, washer, and even a specialized floor mat modification tool. This saves significant time and cost associated with sourcing miscellaneous hardware and ensures that all parts meet OEM standards for compatibility, durability, and performance, resulting in a professional-grade installation.
Constructed from high-quality, temperature-resistant plastics and metals, the components in this assembly are built to last. The ducts resist cracking, the heater core is optimized for efficient operation, and all fasteners are corrosion-resistant. Backed by our established supply chain, we guarantee the availability of this complex kit. Our expertise ensures you receive the correct assembly for your vehicle model, along with the support needed for a successful upgrade to your truck’s comfort system.
Professional installation of the Sitrak Additional Heater Duct Assembly is recommended due to its integration with the vehicle’s cooling and electrical systems. The kit is designed for logical installation, with ducts that route neatly along the cabin’s interior contours. The inclusion of a specific tool for modifying the rear floor mat highlights the OEM attention to detail, ensuring a factory-like finish. Proper installation secures all connections, preventing air leaks and ensuring that the system operates at its designed efficiency, providing maximum heat output where needed.
The operational benefits of adding this auxiliary system are substantial. It reduces the strain on the main vehicle heating system, potentially extending its lifespan. For drivers operating in sub-zero temperatures, the ability to quickly warm the cabin can also reduce engine idling time for warmth, contributing to lower fuel consumption and emissions. The improved climate control can also help preserve the cabin interior by maintaining stable humidity levels, preventing condensation-related damage.
For fleet managers, equipping trucks with the Sitrak Additional Heater Duct Assembly can be a strategic decision to enhance driver satisfaction and retention, especially for routes in northern climates. A comfortable driver is a safer, more productive driver. Standardizing this upgrade across a fleet ensures all drivers have access to the same level of comfort and safety, simplifying maintenance protocols and parts inventory since all components are genuine and interchangeable.
The Sitrak Additional Heater Duct Assembly represents a thoughtful upgrade to vehicle livability. It’s more than just a collection of parts; it’s a complete climate control solution. When considering cabin upgrades, the value of reliable and efficient heating cannot be overstated. Explore our catalog and resources to understand how this system can be integrated into your SINOTRUK Sitrak truck, transforming it into a more capable and comfortable workspace for demanding hauls in cold weather environments.
Equip your truck for ultimate winter readiness. Our OEM Sitrak Additional Heater Duct Assembly delivers reliable supplemental heat, perfect fitment, and complete installation readiness for narrow-body cabs. Enhance driver comfort, safety, and vehicle value with this genuine factory upgrade.
All parts are genuine OEM components. The Sitrak Additional Heater Duct Assembly is a trademark of SINOTRUK Sitrak. Specifications are for the narrow-body (4KM) variant. Verify model compatibility before ordering.
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