This CQ Premium Disc Brake Caliper with Bracket is built for medium-duty Chevrolet, GMC, and Isuzu trucks. The caliper is cast iron with a zinc-coated finish, includes two steel pistons with EPDM seals, mounting hardware, and caliper slides. Floating caliper design ensures proper pad alignment, while abutment clips and stainless steel hardware complete the assembly. Each unit is 100% pressure and fit-tested for reliable performance. Fitment: Chevrolet: LCF 3500, LCF 4500HD, W3500 Tiltmaster, W4500 Tiltmaster (2016–2004) GMC: W3500 Forward, W4500 Forward (2004–2010) Isuzu: NPR Base, NPR-HD Base, NPR-XD Base, NQR Base (2004–2018)