UJOIN Auto Parts

  In the intricate ecosystem of automotive engineering, few components are as critical yet as understated as the   steering knuckle . For wholesalers and distributors in the South American market—where diverse terrains from the Andean peaks to urban centers in Sao Paulo demand rigorous vehicle durability—understanding the technical nuances of this part is essential for maintaining a high-quality inventory. UJOIN auto parts as a leading  steering knuckle manufacturer , we recognize that providing your clients with more than just a part, but rather a high-performance safety component, is the key to long-term business growth. This guide delves into the mechanics, materials, and market importance of the steering knuckle. Defining the Steering Knuckle: The Pivot Point The steering knuckle is the “hinge” of the vehicle’s suspension and steering system. It is the central junction where the steering, suspension, and wheel assembly meet. Its primary function is to allow the front ...

  As global automotive production rebounds and vehicle service markets expand, demand for high-quality   spark plugs  continues to grow. Spark plugs are critical ignition components in gasoline engines, directly influencing combustion efficiency, fuel economy, emissions, and service life. With market emphasis shifting toward OEM quality, precious-metal electrode technologies (iridium, platinum) and reliable aftermarket logistics, selecting the right   spark plug supplier  and   spark plug manufacturer  is a strategic procurement decision in 2025. This guide profiles the  Top 10 global spark plug suppliers , emphasizing company background, key strengths, official websites, and suitability for B2B buyers such as wholesalers, distributors, and service parts importers. NGK Spark Plug Co., Ltd.  — Japan / Global Overview: Niterra, formerly known globally as NGK Spark Plug Co., Ltd., is one of the largest and most respected  spark plug manufac...