ACDelco 18A2887B Gold Fully Coated Front Disc Brake Rotor

The ACDelco 18A2887B is a Gold (Professional) Fully Coated Front Disc Brake Rotor engineered as a high-quality alternative to Original Equipment (OE) parts. Backed by General Motors, this rotor delivers dependable stopping power with OE-matched fit, form, and function for a wide range of GM and non-GM applications.

Key Features:

• Full Cool Shield Coating — baked-on zinc coating covers the entire rotor surface, including edges and vanes, providing superior corrosion resistance proven through up to 200 hours of industry-standard salt-spray testing
• OE-Matched G3000 Cast Iron Material — meets SAE structural integrity standards with guaranteed consistent performance and heat dissipation
• Precision Thickness Tolerance — thickness variation of less than 0.0004 inches minimizes pedal pulsation, brake noise, and uneven pad wear
• Inspected for Balance — ensures smooth, vibration-free brake operation and reduced noise
• NVH Tested — independently tested for Noise, Vibration, and Harshness (NVH) along with durability and wear testing for long-term reliability
• OE Heat Dispersion Design — follows original manufacturer venting designs to prolong both pad and rotor service life
• No Machining Required — ready to install right out of the box
• Full Cast Construction — conventional vented disc design for optimal thermal management

Specifications:

• Outside Diameter: 15.374 in (390.5 mm)
• Nominal Thickness: 1.535 in (39 mm)
• Discard Thickness: 1.421 in (36.1 mm)
• Inside Diameter: 10.098 in (256.5 mm)
• Center Hole Diameter: 7.39 in (187.7 mm)
• Bolt Circle Diameter: 8.646 in (219.6 mm)
• Lug/Bolt Hole Quantity: 10
• Overall Height: 1.906 in (48.4 mm)
• Rotor Type: Vented
• Surface Type: Smooth
• Construction: Full Cast
• Material: Cast Iron
• ABS Tone Ring: Not Included
• Bearings Included: No
• OEM Cross-Reference: 19298588

The ACDelco 18A2887B is a premium replacement front brake rotor suitable for GM vehicles and many other makes and models. Note: Some ACDelco Gold parts may have formerly appeared under the ACDelco Professional name.