OEM AZ1646510021 Upgrade the passenger experience with the AZ1646510021 HOWO right seat assembly (Right vehicle), a precision‑engineered seating solution designed specifically for SINOTRUK Howo trucks with right‑hand drive configuration. This genuine part is part of our premium Sinotruk howo parts lineup, manufactured to OEM specifications for a perfect fit and long‑lasting comfort. The AZ1646510021 assembly provides optimal support, ergonomic design, and robust construction for the right‑hand seat position in demanding truck environments.
The AZ1646510021 right seat assembly is a meticulously engineered component designed for the passenger side in right‑hand drive Howo trucks. It features a robust steel frame with integrated suspension that absorbs road shocks, reducing fatigue during long hauls. The seat is upholstered in high‑grade, breathable fabric that resists wear and staining, and the foam cushioning is formulated to maintain its shape and support over years of use. Ergonomic contours provide excellent lumbar and thigh support, enhancing passenger comfort on any journey.
Each AZ1646510021 unit is manufactured under strict quality controls. The frame is robot‑welded for consistent strength, and all moving parts are tested for 100,000 cycles to ensure durability. The seat includes adjustable slide rails, a reclining mechanism, and fold‑down armrests. The upholstery is flame‑retardant and meets international safety standards. This attention to detail ensures that the seat provides reliable service and maintains its appearance in the toughest operating conditions.
The AZ1646510021 sets the benchmark for passenger seating in heavy‑duty trucks. Its advanced suspension system isolates occupants from vibration, reducing driver fatigue and improving alertness. The seat’s adjustability allows passengers to find their ideal position, while the durable materials ensure the seat looks and performs like new for years. For fleet operators, this genuine seat assembly means fewer complaints, lower maintenance costs, and higher driver retention.
Contoured cushioning and lumbar support reduce pressure points, providing all‑day comfort for passengers.
The mechanical suspension system absorbs road vibration, protecting occupants from fatigue and back strain.
Slide rails, recliner, and fold‑down armrests allow passengers to customize their seating position.
Upholstery meets international safety standards, providing critical protection in the event of a fire.
This genuine seat assembly is designed for the following SINOTRUK Howo right‑hand drive models:
The AZ1646510021 directly replaces original part numbers AZ9926520021 and 812W1646500021.
The development of the AZ1646510021 right seat assembly focused on providing a seating solution that could withstand the unique demands of heavy‑duty truck cabins. Unlike passenger vehicles, truck seats are subjected to constant vibration, extreme temperature changes, and heavy daily use. A poorly designed seat can lead to driver fatigue, back problems, and premature wear. This genuine assembly is engineered to eliminate those problems, providing a durable, comfortable seat that maintains its support and appearance over the long haul.
The manufacturing process for the AZ1646510021 begins with high‑strength steel tubes that are cut and robot‑welded to form the seat frame. The welds are inspected via X‑ray to ensure complete fusion. The suspension mechanism uses calibrated springs and a hydraulic damper, tuned to provide optimal isolation for occupants weighing between 50 and 150 kg. The foam cushions are molded using a variable‑density process that provides softness where needed and firm support in critical areas. After assembly, each seat undergoes a 100,000‑cycle durability test on a simulated road surface.
Quality control for the AZ1646510021 is exhaustive. Every production batch is sampled for dimensional accuracy, suspension performance, and upholstery durability. Accelerated aging tests expose materials to UV radiation and temperature extremes. Flammability tests confirm compliance with FMVSS 302 standards. Only seats that pass all these rigorous checks are approved for shipment, guaranteeing they will perform reliably in real‑world conditions.
Installation of the AZ1646510021 seat assembly is straightforward for experienced technicians. Begin by removing the old seat and cleaning the mounting area. Position the new seat on the floor rails, aligning the bolt holes. Insert the supplied grade 10.9 bolts and tighten to the specified torque (typically 50 Nm). Reconnect any electrical connections for seatbelt warning systems. The seat can then be adjusted to the desired position. No special tools or modifications are required.
Field performance of the AZ1646510021 assembly has proven its exceptional reliability. In a study of 80 Howo trucks operating in Australian and South African mining applications over three years, zero seat failures were reported. Passengers reported significantly reduced fatigue compared to aftermarket seats. The upholstery resisted staining and wear, maintaining a like‑new appearance. This reliability translates directly to lower maintenance costs and higher driver satisfaction.
Environmental responsibility is built into the production of the AZ1646510021. The steel frame is 100% recyclable, and the foam cushions are manufactured using water‑based blowing agents to reduce VOC emissions. The upholstery fabric is made from recycled polyester. The durable design ensures a long service life, reducing waste. By choosing genuine SINOTRUK Howo parts, you support sustainable practices without compromising quality.
For parts managers, the AZ1646510021 assembly is packaged in a heavy‑duty cardboard crate with internal foam supports to prevent damage during transit. Each crate includes a QR code linking to a digital installation video and torque specifications. Bulk orders (5+ units) receive additional packaging discounts and priority handling. Stocking this genuine component ensures that your customers have access to the exact, high‑quality seat they need for a professional cab restoration.
Warranty and support for the AZ1646510021 are comprehensive. SINOTRUK Howo provides a 2‑year/unlimited mileage warranty against manufacturing defects. Our technical support team is available via email to answer any questions regarding installation or compatibility, and we are committed to providing a response within 24 hours. This level of support ensures that you and your customers have the assistance you need.
When ordering, always verify your vehicle’s VIN or model year to ensure correct fitment. The AZ1646510021 is specifically designed for right‑hand drive models; a left‑hand drive version is available under OEM AZ1646510020. If your application requires a different seat configuration, our cross‑reference guide (available on request) helps you select the correct assembly.
In summary, the AZ1646510021 right seat assembly is a vital component for ensuring passenger comfort and safety in your Howo truck. Its precision construction, durable materials, and rigorous testing make it the preferred choice for right‑hand drive vehicles. Trust the genuine AZ1646510021 – it provides the comfort and reliability your passengers deserve.
The AZ1646510021 assembly has passed rigorous vibration, durability, and safety tests, proving its ability to maintain comfort and integrity in the most demanding truck applications. It meets SINOTRUK’s strict interior component standards.
Stocked in regional warehouses (Dubai, Miami, Hamburg, Shanghai), the AZ1646510021 can be shipped within 48 hours to most locations worldwide.
To keep your AZ1646510021 seat in top condition, vacuum the upholstery regularly and wipe with a damp cloth. Avoid harsh chemicals that could damage the fabric. Periodically check that all mounting bolts are tight. Lubricate the slide rails and recliner mechanism with silicone spray annually. With proper care, this genuine seat will provide years of comfortable, reliable service.
AZ1646510021 – 100% Genuine SINOTRUK Howo Right Seat Assembly • Comfort and durability for the road ahead • No forms, just quality parts.
Send your inquiry / assessment to Us. Anything need us ,please don’t hesitate contact us here! we will keep it secret for you !
