Front Brake Rotor for 2003-2025 Chevrolet Express 3500 & More - Raybestos 56999R

Keep your heavy-duty Chevy or GMC hauler stopping smoothly with the Raybestos Brakes R-Line Disc Brake Rotor 56999R, a front, vented, full-cast-iron rotor developed from OE samples for everyday driving. It installs as a direct-fit front replacement for many vehicles, among them the 2003-2025 Chevrolet Express 3500, 2001-2010 Chevrolet Silverado 2500 HD and 2001-2010 GMC Sierra 2500 HD — see the Buyer's Guide tab for the full list of covered models and years.

• OE Fit, Form & Function: made with G3000-qualified material for dependable braking.
• SAE Standard: meets the SAE standard for tensile strength, providing structural integrity and a maximum service life.
• Low Runout & Thickness Variation: small lateral runout and thickness variation help reduce pedal pulsation and brake noise while extending pad life.
• Mill Balanced Edges: mill balanced and 100% validated to minimize thickness variation, reduce vibration, and support smoother stops.

This front rotor measures 12.795 in (325 mm) in outside diameter with 8 stud/lug holes and a non-directional, smooth cast-iron braking surface. Nominal thickness is 1.5 in (38.1 mm) with a 1.437 in (36.5 mm) discard thickness. An ABS tone ring is not included. Made in China. Sold individually; replacing both sides together as a matched pair is recommended for even, balanced braking.