Industry Knowledge Extension

Unlike other slack adjusters in the same category, the Fa9028 Slackadjuster features multiple arm lengths ranging from 4.5 to 7.5 inches and a variety of spline sizes including 1" and 1/2", allowing compatibility with a wider range of braking systems. Constructed entirely from high-quality steel, it ensures structural integrity and consistent performance. The Fa9028 Slackadjuster is available in a 4-holes, 10-teeth style configuration, providing reliable engagement with the brake system. Its standardized design makes installation straightforward, reducing adjustment errors and improving overall braking efficiency.


The Fa9028 Slackadjuster is a type of brake slack adjuster specifically designed for regulating the distance between brake shoes and the brake drum in heavy vehicles. Its steel construction provides durability and resistance to wear under high-stress conditions. The product is available in multiple arm lengths—4.5, 5.5, 6.5, and 7.5 inches—allowing precise adjustment for various vehicle models. It supports spline connections of 1" and 1/2", enhancing compatibility with different braking systems.The 4-holes, 10-teeth design ensures secure engagement, maintaining accurate brake shoe alignment over extended periods of operation.servicing.