The Volvo 4 Hole Positive And Negative Battery Terminal Bus Bars are a reliable and practical solution for replacing the original bus bar on specified applications. Made with copper conductor material and polyvinyl chloride insulation material, these bus bars ensure optimal functionality and durability. With a solid wire core construction and a wire gauge measurement of 11 GU, they provide a secure and efficient connection. Designed to fit most Volvo 12004-2019 VN, VNL, and VNM models, these bus bars are a direct replacement for OE numbers 21107828 and 21107829. Say goodbye to corrosion-related failures and restore your vehicle's functionality with these direct replacement bus bars.