SB23DS4710QP Brake Shoebox 15.0 x 8.62 Rockwell Q+ 23K Width:8.62" save cab space CROSS REFERENCE 21010707 save cab space CROSS REFERENCES: E 11450 E 11450HD K 481 S 23974 B8794 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 glazing or cracking from heat and repeated use