Sinotruk HOWO New Original Rear Cover Plate (Balance Shaft Rear Cover Plate)

This product is a Sinotruk HOWO new original rear cover plate (English: Balance Shaft Rear Cover). The balance shaft plate, also known as the balance shaft rear cover, is a key sealing and protective component of the heavy-duty truck balance shaft system. It directly determines the operational stability of the internal bearings and lubrication system of the balance shaft. It is compatible with Howo and Sinotruk series heavy-duty trucks using the new balance shaft design. Strictly adhering to original factory standards, it can directly replace old or damaged original factory parts without additional adaptation or modification. It precisely matches the original vehicle dimensions, providing a solid guarantee for the stable and efficient operation of the balance shaft system.

I. OE Number and Compatibility Marking (Precise Correspondence, Original Factory Compatibility)

Core OE Number: AZ992552000010: This number is the original factory standard OE number, clearly marked on the component surface for quick identification, selection, procurement, and replacement. It effectively avoids compatibility errors caused by model confusion, ensuring perfect compatibility with the new balance shaft housing. No secondary processing or adjustment is required; it can be installed immediately upon unpacking, significantly improving maintenance and replacement efficiency.

Auxiliary Number: ONBC / 241016: In addition to the core OE number, the component is also marked with ONBC and 2".41016 auxiliary number, as a supplementary identifier for compatibility verification, further ensures the accuracy of parts selection, and is compatible with mainstream heavy-duty truck models such as Sinotruk Howo A7, Howo T7H, Howo TX, and Sinotruk C7H that adopt the new type of balance shaft, covering different years and heavy-duty configurations of this series.

II. Core Functions (Sealing Protection, Stability Protection)

Sealing Protection, Ensuring Internal Cleanliness: As the rear end cover of the balance shaft housing, it plays a core role in sealing protection, tightly fitting the balance shaft housing, sealing the bearings and lubrication system inside the balance shaft, effectively preventing lubricating oil leakage, and at the same time blocking external dust, mud, moisture and other impurities from entering, ensuring that the internal components of the balance shaft are kept in a safe environment." A clean and well-lubricated working environment prevents component wear and corrosion.

Bearing pressure and resisting vibration: Utilizing high-strength materials and precision machining processes, it possesses excellent strength and sealing performance, effectively withstanding the internal pressure and vibration generated during the operation of the balance shaft. This prevents deformation, cracking, or seal failure of the rear cover plate due to excessive pressure or severe vibration, ensuring the structural stability and operational reliability of the balance shaft system.

Ensuring assembly precision and improving sealing performance: Precise mounting holes and sealing grooves are provided. The hole dimensions, spacing, and sealing groove precision strictly adhere to the original factory standards, with errors controlled within a reasonable range. This facilitates precise docking with the balance shaft housing without the need for additional drilling or repositioning, ensuring a smooth assembly.Precision, while enhancing sealing performance, further preventing lubricant leakage and impurities from entering.

Protecting core components and extending service life: Through sealing protection and stable support, the balance shaft protects core components such as internal bearings and lubrication systems, reducing component wear, corrosion and other failures, extending the overall service life of the balance shaft system, reducing later maintenance costs, and adapting to the needs of heavy trucks for long-distance, heavy-load, and complex road conditions.

III. Product Structure and Material Characteristics (Precision Manufacturing, Durable and Robust)

Excellent Material, Combining Strength and Sealing: Made of high-quality, high-strength ductile iron or cast steel through precision casting, both materials possess uniform density and toughness." With excellent properties and high hardness, the back cover plate undergoes a rigorous heat treatment process (quenching and tempering) to further enhance its strength, rigidity, and fatigue resistance. It also maintains excellent sealing performance, allowing it to withstand repeated testing under complex working conditions for extended periods without easily deforming, cracking, or sealing failure.

Precision machining, meeting accuracy standards: Manufactured through precision casting, CNC machining, grinding, and polishing, the surface is smooth, burr-free, and free of sand holes. The mounting holes and sealing grooves are precisely positioned with minimal dimensional errors, ensuring a perfect fit and connection with the balance shaft housing. After assembly, there is no loosening or leakage, guaranteeing effective sealing and protection.

Precise positioning, strong adaptability: Specifically designed for new balance shafts...Designed to precisely match multiple models of Sinotruk Howo and Sinotruk Shandeka series, requiring no additional adaptation or modification. It can directly replace old or damaged original parts. The mounting holes and sealing grooves perfectly align with the original vehicle dimensions, offering strong versatility and convenient installation, significantly reducing maintenance and replacement time costs.

Corrosion and wear resistance, extended lifespan: The surface undergoes professional anti-corrosion treatment (galvanizing, painting, or electrophoresis) to form a dense protective coating, effectively resisting the erosion of rainwater, dust, mud, corrosive gases, and road salt, preventing the rear cover from rusting and corroding. It is suitable for the complex outdoor driving environment of heavy trucks, significantly extending the product's service life.

IV. Compatible Models (Precise Matching, No Adaptation Required)

This product is specifically designed for Sinotruk series heavy-duty trucks that adopt the new balance shaft, precisely compatible with the following models: Sinotruk Howo A7, Sinotruk Howo T7H, Sinotruk Howo TX, and Sinotruk C7H, covering different years and heavy-duty configurations of this series. It can directly connect to the original vehicle's balance shaft system, perfectly matching the balance shaft housing installation dimensions. It's ready to install right out of the box, providing a convenient and reliable solution for vehicle repair and parts replacement.

Additional notes: This product uses independent protective packaging to effectively prevent damage such as bumps, scratches, and deformation during transportation; it comes with detailed installation instructions, with clear and easy-to-understand steps. Even without professional repair experience, installation can be completed by following the instructions. The product has also undergone rigorous testing...Geely's factory quality inspection ensures that every product meets original factory standards, providing strong support for the safe and stable operation of heavy-duty truck balance shaft systems.