ACDelco 18A2937XS Gold Front Disc Brake Rotor - Solid, Cast Iron, OE Replacement

The ACDelco 18A2937XS is a Gold-line solid front disc brake rotor engineered to meet or exceed General Motors Original Equipment (OE) specifications for fit, form, and function. Designed as a direct-fit OE replacement, this rotor delivers reliable, consistent braking performance and is backed by ACDelco's reputation as GM's factory-trusted parts brand. The OE equivalent number for this rotor is 19307020.

Key Features:

• Gold-line quality: Manufactured to GM OE specifications, offering the quality, reliability, and durability expected from a factory-grade component
• Solid rotor construction: Full one-piece cast iron design built for strength and long-term durability
• Rust-preventive coating: Protective finish helps guard against corrosion and resist rotor seizing to the hub
• Balanced for smooth operation: Each rotor is inspected for balance, reducing noise and vibration during braking
• Tight thickness tolerances: Minimizes pedal pulsation and helps extend brake pad life
• NVH tested: Independently tested for Noise, Vibration, and Harshness to ensure a quiet, smooth braking experience
• No machining required: Ready to install directly out of the box

Specifications:

• Rotor Type: Solid
• Construction: Full Cast, 1-Piece
• Material: Cast Iron
• Outside Diameter: 355.6 mm (14.0 in)
• Nominal Thickness: 32.029 mm (1.261 in)
• Minimum Thickness: 29.997 mm (1.181 in)
• Rotor Height: 49.403 mm (1.945 in)
• Bolt Circle: 119.99 mm (4.724 in)
• Center Hole Diameter: 67.31 mm (2.65 in)
• Lug Holes: 5
• Disc Finish: Turned
• ABS Tone Ring Included: No
• OE Part Number: 19307020
• Alternate MPN: 18A2937, 018A2937

The ACDelco 18A2937XS is sold individually and is the ideal replacement disc brake rotor for maintaining safe, factory-quality stopping power on compatible GM vehicles.