Sinotruk Howo Series Heavy Truck Door Lock Assembly and Accessory Kit

This product is a complete door lock assembly and accessory kit specially designed for Sinotruk Howo series heavy trucks. It covers the core components of the entire process of door locking, opening, connection, and support, adapting to the complex working conditions of heavy trucks. It is a key supporting product to ensure the stable operation of the heavy truck door system and improve driving safety and convenience. It can directly replace old or damaged original parts without additional adaptation and modification, greatly reducing maintenance costs and replacement difficulty.

I. Complete Kit Composition (Complete set, no additional purchase required)

Door Lock Body Assembly (one set for each side): As part of the kit The core components integrate locking mechanisms and unlocking linkage components, precisely matching the pre-reserved installation positions on the vehicle door. It directly connects to the original vehicle wiring and mounting holes, requiring no drilling or repositioning, making installation convenient and efficient. The symmetrical design perfectly adapts to the usage needs of both left and right doors on heavy-duty trucks.

Outer Handles (Black, one on each side): Utilizing a one-piece molding process, the classic black exterior perfectly matches the appearance of the Sinotruk Howo series heavy-duty truck body. It is resistant to fading and wear, and the grip fits the curve of the palm, allowing for easy operation even when wearing gloves, suitable for complex outdoor use scenarios on heavy-duty trucks.

Inner Handles (Black, one on each side): Matching the interior style of the heavy-duty truck cab, the ergonomic design features a curved handle that fits the...Following hand movement habits, operation is light and effortless. The material is wear-resistant, dirt-resistant, and easy to clean. It is not prone to loosening or breakage even with long-term, frequent use, ensuring convenient door opening for passengers.

Door lock connecting rod and linkage mechanism: A complete set includes connecting rods, buckles, fixing parts, and other linkage accessories. The connecting rod precisely connects to the lock body and handle, ensuring smooth and uninterrupted transmission. It effectively transmits opening and closing actions, preventing handle spin-out and lock body malfunctions, ensuring continuous door operation.

Door hinges and installation accessories: Includes complete hinge components, fixing bolts, washers, and other installation accessories. The hinges have excellent load-bearing capacity, stably supporting the weight of the door. The opening and closing process is smooth and noiseless." Effectively reduces door sway and extends door lifespan. Complete installation accessories are included, requiring no additional components; installation is ready right out of the box.

II. Core Functions (Comprehensive Protection for Door Safety and Convenience)

Reliable Locking and Unlocking: The core lock mechanism has undergone rigorous working condition testing, ensuring a secure door lock and effectively preventing accidental opening during driving, protecting passengers and cargo. Simultaneously, the unlocking action is sensitive, and the inner and outer handles are easy to operate, allowing for quick and smooth door opening even in low temperatures, bumpy conditions, and other complex environments.

Precise and Efficient Linkage Transmission: The inner and outer handles form a complete linkage system with the lock body via connecting rods, ensuring precise and efficient transmission.Small gaps, rapid response, and moderate handle operation allow for locking and unlocking without excessive force, preventing jamming and malfunctions and improving the user experience.

Stable support and protection: The door hinges feature a high-strength structural design, ensuring smooth opening and closing without jamming or abnormal noise. This effectively limits the door opening angle, preventing damage from excessive opening; it also provides stable support for the door, reducing door sway during driving, preventing component wear, and extending the overall lifespan of the door system.

Compatible with original equipment, strong versatility: The complete kit is developed and manufactured strictly according to Sinotruk Howo original equipment standards. All components are identical in size and specifications to original equipment parts, allowing for direct replacement of older parts." Damaged door locks and accessories require no modification to the door, offering strong compatibility and seamless integration with the original vehicle system after installation.

III. Product Structural Features (Durable and Resistant, Adaptable to Complex Working Conditions of Heavy Trucks)

Lock Body: High-strength anti-theft, sturdy and durable: The lock body is forged from high-quality, high-strength alloy material in one piece. The material is hard, impact-resistant, and deformation-resistant, capable of withstanding the bumps and vibrations experienced by heavy trucks during operation. The built-in double-latch structure provides double locking protection, offering excellent anti-theft performance and effectively preventing unauthorized opening of the door when the vehicle is parked. The latches are also wear-resistant and corrosion-resistant, and are not prone to jamming or failure after long-term use.

Handle: Excellent...High-quality materials, combining feel and durability: The handle can be made of engineering plastic or metal depending on the needs. The engineering plastic version is lightweight, wear-resistant, anti-aging, and cost-effective; the metal version is stronger, has better load-bearing capacity, and is not easy to break or deform. Both materials are surface-treated to prevent fading and rust, and provide a comfortable grip, suitable for the long-term use needs of heavy truck drivers.

Connecting rod: Rust-proof and corrosion-resistant, stable transmission: The connecting rod is made of high-quality steel with a professional galvanized surface treatment to form a dense protective layer, which can effectively isolate rainwater, dust, corrosive gases, etc., preventing rust and corrosion and extending service life; the rod is of uniform thickness and sufficient strength, and is not easy to bend or break during transmission, ensuring precise and smooth linkage." Smooth.

Overall: Precision manufacturing, strong adaptability: All components have undergone strict quality testing, with smooth surfaces, no burrs, precise dimensions, high installation fit, and no risk of loosening; all components have good synergy, adaptable to the complex outdoor and long-distance driving conditions of heavy trucks, resistant to high and low temperatures, vibration-resistant, and with a service life far exceeding that of ordinary aftermarket parts, reducing the frequency of later maintenance and replacement.

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

This product is specially designed for Sinotruk Howo series heavy trucks, precisely adapting to the following models: Sinotruk Howo A7, Sinotruk Howo T7H, Sinotruk Howo Han, and other mainstream heavy truck models, covering different years and configurations of this series.This product can directly replace original parts without any additional adjustments. It's ready to install and use right out of the box, providing a convenient solution for vehicle repair and parts replacement.

Additional notes: This product is individually packaged, with all parts stored separately and protected to prevent bumps and damage during transportation. It also comes with a detailed installation instruction manual with clear and easy-to-understand steps. Even those without professional repair experience can complete the installation by following the instructions, significantly improving installation efficiency and reducing repair costs.