Dongfeng VL Steering transmission device with adjuster assembly C3404010-C4312

A core feature of this assembly is its built-in adjuster, which enables precise mechanical adjustment of the steering transmission length (typically with an adjustment range of [add specific data if available, e.g., "50-80mm"). This function allows drivers to customize the steering wheel position according to their body size and driving posture—whether tall or short, drivers can easily tweak the adjuster to achieve a comfortable grip and optimal control distance. The adjuster mechanism adopts a robust locking structure: after adjustment, it locks firmly in place, preventing any unintended movement or slippage during the truck’s operation (even on rough roads), ensuring both comfort and steering stability

Unlike individual steering transmission parts that require separate assembly, this component comes as a fully pre-assembled unit, including the transmission shaft, universal joint, adjuster cylinder, dust cover, and all necessary mounting hardware (bolts, washers, locking nuts). The pre-assembled design not only saves significant installation time for repair workshops or fleet maintenance teams (reducing installation labor by approximately [add specific data if available, e.g., "40%"] compared to assembling separate parts) but also ensures that all components are aligned and fitted to OE standards. Additionally, the dust cover—made of high-temperature-resistant rubber—effectively blocks dust, mud, and water from entering the transmission mechanism, reducing wear and extending the assembly’s service life

To withstand the high torque and frequent mechanical stress of heavy-duty truck steering systems, key components of this assembly are crafted from premium materials. The transmission shaft is made of 45# high-carbon steel (quenched and tempered), which provides exceptional tensile strength (minimum yield strength of [add specific data if available, e.g., "355MPa"]) and impact resistance, ensuring it does not bend or break under heavy loads. The adjuster’s internal gears and sliding parts are precision-machined from alloy steel and coated with anti-wear lubricant, reducing friction during adjustment and preventing premature wear. These material choices make the assembly capable of enduring long-term use in harsh operating conditions (such as heavy cargo transportation or off-road driving) with minimal maintenance

This steering transmission device with adjuster assembly undergoes strict quality and safety testing to meet both national automotive safety standards (e.g., GB 17675-2021) and Dongfeng’s internal performance requirements. Key tests include: torque endurance testing (simulating 100,000+ steering cycles to verify structural stability), vibration testing (mimicking road vibrations to ensure no component loosening), and environmental resistance testing (exposing the assembly to high temperatures, humidity, and salt spray to check corrosion resistance). Additionally, the assembly’s steering transmission accuracy is calibrated to ensure that the driver’s input (steering wheel rotation) is transmitted to the wheels with minimal delay or deviation, enhancing driving safety—especially during high-speed driving or emergency maneuvering. As an OE component, it also comes with traceability codes, allowing for easy tracking of production batches and quality inspection records