SB23DP1443ES Brake Shoebox 15.0 x 4.0 Eaton 23k ShaftAssembly Arch: 7 1 2 Make:Bluebird Arch: 7 1 2 1020 Socket 7 Way With 20 AMP Breaker ensuring reliable braking performance Direct replacement this drum brake shoe is designed to help restore reliable braking performance and stopping power on specified fitments Safe braking 0 replacing worn or cracked brake shoes can help prevent braking inconsistencies and ensure dependable stopping in heavy duty applications Durable construction designed and manufactured to strict specifications for reliable performance Trustworthy quality backed by a team of product experts in the United States with more than a century of experience in the design of heavy duty truck parts