This product line includes a variety of replacement drum brake components and accessories for the Volvo VNL semi-truck line. Key products in this product line include replacement drum brake drums, brake drum spacers, drum bolt assemblies, brake shoe kits, air brake diaphragms, and camshaft bushings. Many of these parts are direct replacements for popular OEM drum brake systems found on Volvo VNL Gen I models. This product line caters to fleet owners and technicians looking to maintain and repair the drum brake assemblies on their Volvo VNL semi-trucks. The high-quality parts offered provide reliable performance and help keep these trucks operating safely and efficiently. Whether you're in need of replacement drums, hardware, or ancillary components, this product line has the Volvo VNL drum brake parts to get the job done right.