ACDelco 18A1207C Gold Rear Disc Brake Rotor - Vented, Cast Iron, 6-Lug

The ACDelco 18A1207C is a rear vented disc brake rotor engineered as a high-quality aftermarket replacement for General Motors and select non-GM vehicles. Part of ACDelco's Gold (formerly Professional) line, this rotor is manufactured to meet OEM specifications for fit, form, and function, delivering dependable braking performance right out of the box.

Key Features:

• Vented, full-cast iron construction for effective heat dissipation and long-lasting durability
• Rust-resistant coating helps prevent rotor seizing to the hub and protects against rain, snow, and corrosive road sprays
• Non-directional ground finish minimizes thickness variation to reduce pedal pulsation, noise, and vibration while extending brake pad life
• Mill-balanced design ensures smooth brake operation with no extra weights required
• 6-lug bolt pattern with a 127mm (5 in.) bolt circle diameter
• No machining required — installs directly from the box
• Independently tested for Noise/Vibration/Harshness (NVH) and durability/wear

Specifications:

• Position: Rear
• Rotor Style: Plain (non-slotted)
• Outside Diameter: 325.1mm (12.8 in.)
• Nominal Thickness: 19.99mm (0.787 in.)
• Minimum/Discard Thickness: 18.491mm (0.728 in.)
• Center Hole Diameter: 78.74mm (3.1 in.)
• Bolt Circle: 127mm (5 in.)
• Bolt Holes: 6
• Overall Height: 86.36mm (3.4 in.)
• Material: Cast Iron
• Construction: 1-Piece, Full Cast
• ABS Sensor Ring Included: No
• OEM Reference: 19175173

The ACDelco 18A1207C is sold individually and backed by a limited warranty, making it a reliable and cost-effective solution for restoring safe, confident braking performance.