

The Door Trim Assembly for Sitrak C7H is a comprehensive set of interior panels and components that redefine cabin aesthetics and ergonomics.
This complete kit includes the Left Door Interior Panel Main Assembly, Left Door Interior Panel Insert Assembly, Left Door Handle Front Cover, Left Door Handle Assembly, Left Door Handle Rear Cover, Door Glass Inner Weatherstrip II (Short), Door Glass Inner Weatherstrip IIII (Short), Right Door Interior Panel Main Assembly, Right Door Interior Panel Insert Assembly, Right Door Handle Front Cover, Right Door Handle Assembly, Right Door Handle Rear Cover, and Hexagon Flange Bolts.
Every component in this Door Trim Assembly is manufactured to original equipment tolerances, ensuring a perfect fit and a seamless blend with the cab’s interior design. From durable materials to precision-engineered fasteners, this set offers a factory-level upgrade.
For complete technical specifications and ordering details, please refer to the official Sinotruk Catalog, which provides comprehensive information on all available variants and compatible truck models.
The Door Trim Assembly not only enhances the visual appeal of your C7H but also improves noise insulation and provides sturdy mounting points for handles and controls. This Door Trim Assembly is the definitive choice for owners seeking premium interior refinement and long-lasting durability.
This is the primary structural panel for the left door, crafted from high-grade thermoplastic with a soft-touch surface. It integrates armrests, storage pockets, and speaker grilles, and is precisely contoured to match the cab interior. The main assembly provides a solid foundation for all other trim components.
This insert fits into the main panel and adds a decorative and functional layer. It may feature accent trim, additional padding, or specialized mounting points for switches. The insert assembly enhances the overall styling and provides a customized feel to the left door interior.
This cover conceals the mounting hardware and provides a sleek, finished look at the front section of the left door handle. It is molded from UV-resistant ABS and snaps securely into place, protecting the handle mechanism from dust and moisture.
The complete handle assembly for the left door includes the outer grip, internal linkage, and return spring. It is engineered for smooth, reliable operation with a robust die-cast core and a chrome-plated exterior that resists corrosion and maintains a premium appearance.
This cover finishes the rear portion of the left door handle, ensuring a seamless transition between the handle and the door panel. It features the same high-quality material and color match as the front cover, completing the handle assembly with a professional look.
This weatherstrip is designed for the inner side of the door glass and provides a tight seal against water, wind, and dust. Its short length is specifically tailored for the front section of the door, ensuring a perfect fit and reducing cabin noise.
This is the second short weatherstrip for the inner glass, often used in the rear section or as a secondary seal. It complements the first strip to provide complete sealing along the entire glass edge, effectively preventing leaks and maintaining cabin climate.
Mirroring the left side, this main panel for the right door is constructed from the same durable material and features identical functional zones. It ensures consistent ergonomics and aesthetics across both sides of the cab, maintaining a balanced interior layout.
This insert is a symmetrical counterpart to the left insert, providing the same accent features and mounting points. It ensures that both doors have a unified appearance and functional performance, contributing to a premium cabin environment.
This cover is a mirror image of the left front cover, designed to fit the right door handle perfectly. It shares the same robust construction and color matching, ensuring a consistent, finished look on both sides.
The right door handle assembly is a symmetric version of the left, offering the same reliable operation and premium finish. It features a smooth, ergonomic grip and a durable internal mechanism that ensures thousands of trouble-free cycles.
This cover completes the right door handle installation, providing a clean, finished appearance. It is designed to match the rear cover on the left door, ensuring visual symmetry and a cohesive interior design.
These high-strength bolts are used to secure various components of the Door Trim Assembly. The integrated flange distributes clamping force evenly, preventing damage to plastic parts. Manufactured from corrosion-resistant steel, they ensure reliable fastening for the entire service life of the vehicle.
The Door Trim Assembly is manufactured to the exact dimensions and specifications of the original Sitrak C7H parts. This guarantees a seamless installation without modifications, and the materials match the factory color and texture, preserving the original interior appearance.
This Door Trim Assembly includes every component needed for a full door interior renewal – from main panels and inserts to handles, covers, weatherstrips, and fasteners. There is no need to source separate parts, saving time and ensuring compatibility across all elements.
The Door Trim Assembly incorporates advanced sound-absorbing materials and precise sealing elements that significantly reduce road noise and wind intrusion. The result is a quieter, more comfortable cabin environment that reduces driver fatigue on long journeys.
Built from high-quality UV-stabilized plastics and corrosion-resistant hardware, the Door Trim Assembly is designed to withstand years of daily use without fading, cracking, or loosening. This ensures that your investment maintains its appearance and functionality, protecting the resale value of your truck.
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.