The EBC stainless braided brake line kit for the 2003 Chevrolet Silverado 1500 (4WD) Extended Cab with 330mm rear rotors is a front-and-rear replacement matched to common pad and rotor interfaces. It cites FMSI pad numbers D785/D834/D792, supports vented front and rear rotors with 6/6 bolt patterns, and covers 305/325/330mm rotor diameters. Use the kit to replace factory lines with stainless braided lines sized to these rotor and pad specs.
EBC 2003 Chevrolet Silverado 1500 (4WD) Ext Cab (330mm Rear Rotors) Stainless Steel Brake Line Kit