

The part is a premium seating solution designed for the Sitrak C7H heavy truck, offering exceptional comfort and support for the passenger side.
This Right-Side Air Suspension Seat Assembly features a dual‑locking air suspension system that automatically adjusts to the occupant’s weight, providing a smooth and stable ride even on rough terrain. The ergonomic design reduces driver fatigue and promotes healthy posture during long‑haul journeys.
For detailed fitment and compatibility information, please refer to the Sinotruk Catalog.
This Right-Side Air Suspension Seat Assembly is a genuine OEM‑grade part, ensuring a perfect fit and long‑term reliability for your Sitrak C7H. It comes complete with all necessary mounting hardware, including the high‑strength hexagon socket head cap screws, for a straightforward installation.
The part is a fully integrated seating unit that combines a high‑back contoured seat cushion with an advanced air suspension system.
This Right-Side Air Suspension Seat Assembly is designed to provide optimal support for the passenger, with adjustable lumbar support, seat height, and tilt functions. The seat is upholstered in durable, breathable fabric that resists wear and stains, and the air suspension automatically compensates for varying loads, maintaining a consistent ride height.
The dual‑locking mechanism ensures that the seat remains securely in place during transit, while the integrated armrests offer additional comfort. This Right-Side Air Suspension Seat Assembly is the perfect choice for fleet operators who prioritise driver wellbeing and retention.
The Hexagon socket head cap screw is a high‑strength fastener used to secure The part to the cab floor.
This Right-Side Air Suspension Seat Assembly component is made from grade 12.9 alloy steel with a zinc‑plated finish, providing exceptional tensile strength and corrosion resistance. The recessed hex drive allows for high torque application without stripping, ensuring a secure and vibration‑proof connection. Six screws are included in the kit, precisely matching the mounting holes of the seat base.
These screws are essential for maintaining the structural integrity of the seat installation, and they are designed to withstand the constant forces experienced during vehicle operation. Proper torqueing of the hexagon socket head cap screws is critical for the safe and reliable performance of The part.
| NO. | Part NO. | Name |
|---|---|---|
| 1 | WG1662511200 | Right-side air suspension seat assembly (with hexagon socket head cap screws) |
| 2 | Q218B0840F31 | Hexagon socket head cap screw |
Our Right-Side Air Suspension Seat Assembly is designed with the driver’s comfort in mind, featuring adjustable lumbar support, seat angle, and height to accommodate various body types. The air suspension system absorbs road shocks, reducing spinal stress and fatigue.
This Right-Side Air Suspension Seat Assembly ensures that passengers remain comfortable and alert throughout long journeys, contributing to overall road safety.
The part is built with high‑grade steel frames, robust air springs, and wear‑resistant upholstery. The seat cover is treated to resist stains and UV fading, ensuring a professional appearance for years.
All metal components are coated for corrosion resistance, making this Right-Side Air Suspension Seat Assembly suitable for demanding environments.
This Right-Side Air Suspension Seat Assembly comes with the necessary hexagon socket head cap screws and installation instructions, simplifying the replacement process. No additional parts are required.
The pre‑assembled design and included fasteners make The part a convenient and time‑saving solution for workshops and fleet maintenance teams.
We stock a wide range of Right-Side Air Suspension Seat Assemblies to ensure fast delivery to customers worldwide. Our logistics network guarantees prompt shipping and real‑time tracking.
Our dedicated support team is available to assist with any technical queries regarding The part, ensuring a smooth installation experience.
The part is not just a luxury; it is a critical component for driver wellbeing and fleet efficiency. A comfortable passenger seat encourages co‑drivers to rest effectively, which leads to better alertness and reduced accident risk.
Upgrading to our Right-Side Air Suspension Seat Assembly demonstrates a commitment to driver care, which can improve employee morale and retention. The long‑term benefits of reduced fatigue and musculoskeletal issues far outweigh the initial investment.
The air suspension system in The part uses a robust air spring that automatically maintains the correct ride height regardless of the occupant’s weight. This ensures consistent suspension characteristics and optimal isolation from road vibrations.
The dual‑locking mechanism provides an additional safety feature, securing the seat in the event of sudden movements. This Right-Side Air Suspension Seat Assembly is tested for thousands of cycles to guarantee reliable performance under all operating conditions.
To install The part, first remove the old seat and clean the mounting area. Position the new seat on the floor, aligning the mounting holes with the threaded inserts. Insert the six hexagon socket head cap screws and torque them to the specified value using a torque wrench.
Connect the air supply line to the seat’s quick‑release fitting, ensuring a leak‑free connection. Adjust the seat height and lumbar support to the passenger’s preference. Test the suspension by sitting on the seat and verifying that it compresses and rebounds smoothly.
To keep your Right-Side Air Suspension Seat Assembly in top condition, regularly inspect the air lines and fittings for signs of wear or leaks. Clean the upholstery with a mild soap solution and a soft brush, avoiding harsh chemicals that could damage the fabric.
Periodically check the torque of the mounting screws and lubricate the seat adjustment mechanisms with a silicone‑based spray. With proper care, The part will provide years of reliable service.
This Right-Side Air Suspension Seat Assembly is specifically designed for the Sitrak C7H cab, fitting both day cab and sleeper configurations. It is compatible with vehicles equipped with the standard floor mounting pattern.
The seat is not interchangeable with other truck models, so please verify your vehicle’s specifications before ordering. The part numbers match the original equipment, ensuring a direct replacement.
Each Right-Side Air Suspension Seat Assembly undergoes rigorous testing for durability, safety, and comfort. We simulate thousands of cycles of compression and release to ensure the air spring maintains its performance.
The upholstery is subjected to abrasion and UV testing to guarantee long‑lasting appearance. Our quality control process ensures that every seat meets the highest standards before leaving the factory.
We maintain a large inventory of Right-Side Air Suspension Seat Assemblies to ensure prompt dispatch. Orders are typically processed within 24 hours, and we provide tracking information for every shipment.
Our global shipping partners offer reliable delivery to most countries, and we offer expedited options for urgent orders. Minimise your vehicle’s downtime with our efficient logistics.
Replacing a worn or uncomfortable seat with our Right-Side Air Suspension Seat Assembly is a cost‑effective way to improve driver satisfaction and reduce turnover. The durable construction ensures that the seat will last for the life of the vehicle, providing excellent value.
The improved comfort can also lead to increased productivity, as well‑rested drivers are more alert and efficient. Invest in our Right-Side Air Suspension Seat Assembly for a tangible return on your fleet investment.
Aftermarket seats often compromise on materials and build quality, leading to premature sagging and failures. Our Right-Side Air Suspension Seat Assembly is manufactured to the same standards as the original equipment, ensuring consistent quality and longevity.
By choosing our genuine Right-Side Air Suspension Seat Assembly, you are investing in a product that has been engineered specifically for your Sitrak C7H, providing peace of mind and reliable performance.
The part meets all relevant safety standards, including FMVSS 302 for flammability and ECE R17 for seat strength. The seat belts and anchor points are integrated into the design for optimal protection.
Regular inspection of the seat mounting bolts and air lines is recommended to maintain safety compliance. Our Right-Side Air Suspension Seat Assembly is designed to keep passengers secure and comfortable in all driving situations.
Our Right-Side Air Suspension Seat Assembly is produced using state‑of‑the‑art sewing, welding, and assembly techniques. The foam cushioning is precision‑cut for consistent density and support, while the metal frames are robot‑welded for uniform strength.
The air springs are manufactured in a clean‑room environment to guarantee purity and reliability. This attention to detail ensures that every Right-Side Air Suspension Seat Assembly delivers exceptional performance and durability.
The part offers multiple adjustment options, including seat cushion angle, backrest tilt, and lumbar support intensity. These settings allow each passenger to find their ideal seating position, reducing the risk of back pain and discomfort.
The intuitive controls are easy to use, even while wearing gloves, making The part a user‑friendly choice for all drivers.
We are confident in the quality of our Right-Side Air Suspension Seat Assembly and offer a satisfaction guarantee. If you encounter any issues, our support team is ready to assist.
Your satisfaction is our priority, and we strive to exceed your expectations with every order of The part.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.