ACDelco Gold Black Hat Rear Disc Brake Rotor
Gold
Pack of 1

ACDelco Gold Black Hat Rear Disc Brake Rotor

GM Part #88877686

ACDelco Part #18A2807

MSRP$175.80*

ACDelco Gold (Professional) Non-Coated Disc Brake Rotor and Hub Assemblies are a high quality alternative to Original Equipment (OE) parts.

  • Cross drilled for quick brake response and heat dissipation
  • Black coating on hat and vanes
  • Quality validated for proper metallurgy and correct brake plate thickness

Pack of 1

About this product

ACDelco Gold (Professional) Non-Coated Disc Brake Rotor and Hub Assemblies are a high quality alternative to Original Equipment (OE) parts. These rotors are mounted to the wheel hub where the calipers can press the brake pads against the brake surface to help stop the vehicle. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

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  • Cross drilled for quick brake response and heat dissipation
  • Black coating on hat and vanes
  • Quality validated for proper metallurgy and correct brake plate thickness
  • Tighter tolerances similar to GM OE specifications
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

Surface TypeSmooth
ABS Sensor Ring IncludedNo
Solid Or Vented Type RotorVented
ConstructionFull Cast
Rust Resistant CoatingYes
MaterialCast Iron
Nominal Thickness1.024 in / 26 mm
Discard Thickness0.945 in / 24 mm
Center Hole Diameter2.783 in / 70.7 mm
Pad Contact Surface Width2 in / 51.65 mm
Mounting Bolt Hole Circle Diameter4.75 in / 120.65 mm
ClassificationGold
Hat FinishTurned
Mounting Bolt Hole Diameter0.526 in / 13.35 mm
Inside Diameter9.317 in / 236.65 mm
Outside Diameter13.384 in / 339.95 mm
Overall Height1.931 in / 49.05 mm
Disc FinishTurned
Weight20.8lb
Mounting Bolt Hole Quantity5

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

ModelBody StyleTrimYear(s)
Corvette427, Grand Sport, Z062006, 2007, 2008, 2009, 2010, 2011, 2012, 2013