ACDelco 18A2448A Front Disc Brake Rotor

The ACDelco 18A2448A is a premium front disc brake rotor designed to deliver reliable braking performance for a wide range of vehicles. Part of the ACDelco Gold (formerly Professional) and Silver (formerly Advantage) product lines, this high-quality replacement rotor is manufactured to meet strict specifications for fit, form, and function, making it an excellent choice for both General Motors vehicles and most other makes and models.

Key Features:

• Vented rotor design with application-specific vane configuration for optimal heat dissipation and cooling
• Non-directional ground finish minimizes thickness variation (less than 0.0004") to reduce pedal pulsation and extend brake pad life
• Mill-balanced for smooth operation and noise reduction during braking
• Meets SAE standards for structural integrity using OE-matched G3000 qualified cast iron material
• Ready to install right out of the box with no machining required
• Independently tested for Noise/Vibration/Harshness (NVH) and durability/wear performance

Technical Specifications:

• Outside diameter: 11.7 inches (297.2mm)
• Nominal thickness: 1.101 inches (27.965mm)
• Discard thickness: 0.984 inches (24.994mm)
• Bolt circle diameter: 4.500 inches (114.3mm)
• Bolt hole quantity: 5
• Height: 1.9 inches (48.3mm)
• Surface type: Smooth, non-slotted
• Rotor type: Vented

This rotor follows the original manufacturer's design for efficient heat dispersing, helping to prolong both pad and rotor life while reducing noise and vibration. Backed by General Motors and manufactured with multiple alloys for improved performance, the ACDelco 18A2448A provides dependable stopping power and quality at a competitive price point.