

Lower Left Cab Deflector
Нижний левый дефлектор кабины
Deflector inferior izquierdo de la cabina
The Shacman Lower Left Cab Deflector, identified by OEM number DZ16251870084, is a critical aerodynamic component designed to manage airflow at the lower section of the truck’s cabin on the left side. This precision-engineered part works in conjunction with upper deflectors to create a comprehensive airflow management system, specifically targeting turbulent air that gathers around the cab’s lower skirts and wheel arches. The DZ16251870084 deflector is crucial for redirecting this turbulent air away from the vehicle’s undercarriage and trailer gap, reducing drag, improving fuel efficiency, and minimizing the accumulation of road spray and debris on the left side of the vehicle.
Manufactured from high-impact, UV-resistant polymer composite, it offers exceptional durability against stone chips, road salt, and constant exposure to moisture. Its contoured design ensures a perfect fit with the cab’s lower bodywork, creating a seamless transition that optimizes the vehicle’s aerodynamic profile. As a genuine Shacman part, the Lower Left Cab Deflector DZ16251870084 guarantees OEM compatibility and restores the factory-designed aerodynamic performance, contributing to measurable fuel savings, enhanced stability, and reduced side-window contamination during wet weather operations.
| Parameter | Specification |
|---|---|
| OEM Number | DZ16251870084 |
| Product Name | Lower Left Cab Deflector |
| Brand | Shacman |
| Compatible Models | Shacman F3000, X3000, M3000 Series |
| Material | High-Impact ABS Polymer with UV Stabilizers |
| Dimensions (LxWxH) | Approx. 900mm x 250mm x 120mm |
| Surface Finish | Textured, Painted (OEM Color Match) |
| Mounting System | Bolt-On to Cab Skirt with Integrated Clips |
| Weight | Approximately 3.8 kg |
| Operating Temperature | -40°C to +80°C |
| Drag Reduction Contribution | Part of System Achieving 5-8% Total Reduction |
| Warranty Period | 24 Months |
The Lower Left Cab Deflector DZ16251870084 addresses the complex airflow at the truck’s lower left quadrant. It is specifically designed to manage turbulent air generated by the front wheels and chassis components. This deflector channels this chaotic airflow outward and rearward.
By doing so, it prevents low-pressure vortices from forming around the cab’s left lower corner. These vortices significantly increase aerodynamic drag. The deflector’s contour creates a smoother air path along the vehicle’s side, reducing overall resistance.
A key function of this component is to reduce road spray contamination. Its position and angle deflect water and mud thrown up by the front left wheel away from the cab side and trailer. This keeps the side windows, mirrors, and lighting assemblies cleaner.
Cleaner surfaces improve driver visibility and safety during wet conditions. The design also helps minimize the accumulation of slush and ice in winter operations. This contributes to safer and more efficient year-round driving.
Constructed from high-impact ABS polymer, the deflector withstands constant exposure to road debris. The material is compounded with UV inhibitors to resist fading and brittleness from sunlight. Internal ribbing provides rigidity without excessive weight.
The mounting system is designed to absorb minor impacts without transferring stress to the cab structure. This sacrificial design protects more expensive components. The finish is resistant to chemicals, road salt, and frequent washing.
The Shacman Lower Left Cab Deflector DZ16251870084 is designed for integration into the advanced aerodynamic packages of specific Shacman models. It is a standard or optional component on the F3000 series, particularly those configured for long-haul efficiency.
The X3000 series utilizes this deflector as part of its comprehensive aerodynamic management system. For the M3000 series, it is valuable for trucks operating in regional distribution with significant highway mileage. Compatibility is model-year specific.
This component is part of a matched set that includes the lower right deflector. It works in concert with upper cab deflectors, side skirts, and roof fairings. This integrated approach is necessary for achieving maximum aerodynamic benefit.
Fleet managers should verify the OEM number DZ16251870084 for correct application. The deflector is essential for completing a full aerodynamic package. It is a critical replacement part for vehicles with damage from curb strikes or road debris.
Each Lower Left Cab Deflector DZ16251870084 is produced using stringent quality control measures. The ABS polymer material is sourced from certified suppliers and tested for impact strength and environmental resistance. Batches are verified before production begins.
Injection molding is performed with precision tooling that is regularly maintained. This ensures consistent wall thickness and accurate reproduction of the aerodynamic contours. Each cycle is monitored for parameters like temperature and pressure.
Post-molding, parts undergo trimming and finishing operations. Mounting points are inspected for dimensional accuracy. The painting process uses electrostatic application and controlled curing for optimal adhesion and durability of the finish.
Performance validation includes airflow testing using scale models and computational simulations. Sample units are subjected to impact tests simulating stone strikes. UV exposure and thermal cycling tests validate long-term material stability.
Final assembly includes a fit check on a vehicle buck. The alignment with adjacent panels and the integrity of mounting hardware are verified. Only components passing all checks are approved for sale as genuine Shacman parts.
Installation of the DZ16251870084 deflector is straightforward. Position the deflector against the lower left cab skirt, aligning all mounting holes. Begin by securing the forward-most attachment point, then work rearward to ensure proper alignment.
Use the provided corrosion-resistant bolts and washers. Tighten to the specified torque in a sequential pattern. Avoid overtightening, which can distort the deflector or damage the mounting points on the cab skirt.
After installation, visually inspect the gaps between the deflector and adjacent panels. They should be even and consistent. Check that the deflector does not interfere with any service panels or fuel tank access doors.
Maintenance is minimal. During regular vehicle washing, clean the deflector to remove road grime and salt. This preserves its appearance and prevents corrosive buildup on the mounting hardware.
Periodically inspect the mounting bolts for tightness, especially after the first few thousand kilometers. Look for cracks or significant abrasion damage, particularly on the leading edge.
In winter, remove packed snow and ice carefully to avoid prying on the deflector with metal tools. Use plastic scrapers instead. Address any damage promptly to maintain aerodynamic efficiency and protection.
The DZ16251870084 deflector contributes directly to improved fuel economy. By managing ground-level turbulence, it reduces the aerodynamic drag that is most pronounced at the vehicle’s base. This leads to measurable fuel savings over long distances.
Enhanced vehicle stability is a significant benefit. Reduced turbulence around the lower cab decreases buffeting and lateral forces in crosswinds. This makes the truck more predictable and easier to control, reducing driver fatigue.
The component significantly improves visibility and safety in wet weather. By deflecting road spray, it keeps the left-side windows and mirrors clearer. This allows for better situational awareness and reduces the need for frequent cleaning stops.
Durability and corrosion resistance ensure a long service life with minimal upkeep. The deflector protects the cab’s lower bodywork from stone chips and abrasion. This preserves the vehicle’s appearance and resale value.
For fleet operations, standardizing with this genuine part ensures consistent performance across the vehicle pool. It supports fuel management programs and contributes to a lower total cost of ownership through efficiency gains.
Long-haul and line-haul freight operations benefit most from the DZ16251870084 deflector. The cumulative fuel savings are substantial over high annual mileage. This component is a standard feature in many fleet specification packages for efficiency.
Regional distribution trucks that operate on highways also achieve meaningful efficiency gains. The spray reduction is particularly valuable for multi-stop operations in all weather conditions, keeping the vehicle presentable and safe.
Construction and vocational trucks operating on unpaved or wet job sites benefit from the debris and spray deflection. It helps keep windows and cameras clean for better worksite visibility and safety during maneuvering.
Refrigerated transport operations appreciate the aerodynamic efficiency for fuel cost management. The cleanliness aspect also supports maintaining a professional image for customer-facing delivery vehicles.
Owner-operators investing in fuel-saving technologies will find this deflector offers a clear return. It is part of a holistic approach to reducing operating costs and enhancing the professionalism of their equipment.
The Shacman Lower Left Cab Deflector DZ16251870084 is a vital component in the modern truck’s aerodynamic arsenal. Its specialized design addresses the unique challenges of ground-level airflow, delivering tangible benefits in fuel efficiency, vehicle stability, and operational cleanliness.
Investing in this genuine OEM part ensures perfect integration, reliable performance, and long-term durability. It represents a strategic commitment to lowering operating costs and enhancing the safety and professionalism of Shacman truck operations.
For comprehensive aerodynamic performance, the DZ16251870084 should be installed as part of a complete deflector system. It is an essential component for any fleet or owner seeking to maximize the efficiency and capability of their commercial vehicle.