ACDelco 18A2727AC | Rear Disc Brake Rotor

Part Number
Rear Brake Rotor

Fits: 10-17 Chevrolet Equinox, 10-17 GMC Terrain

Special Price $57.79 Regular Price $67.99
In stock
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Estimated Ship Date: 1 Business Day or Less
ACDelco Advantage Coated Disc Brake Rotors provide reliable vehicle braking power. Their robotic-applied, baked-on coating helps prevent brake pulsation, helps prevent the rotor from seizing to the hub, and provides superior rust prevention against harsh environmental elements such as rain, snow, and corrosive road sprays. They feature a non-directional ground finish that helps to extend brake pad life and minimizes thickness variation. They are also ready to be installed right out of the box, with no machining required. These dependable aftermarket Advantage Coated Disc Brake Rotors offer quality at an economical price. ? WARNING: Cancer and Reproductive Harm -



  • Chevrolet;GMC
  • Manufactured with multiple alloys for improved heat dissipation and performance
  • Mill-balanced for proper rotor function; no extra weights needed
  • Quality validated for proper metallurgy and correct brake plate thickness
  • Rounded radius for added strength


ABS Sensor Ring IncludedNo
Bolt Circle Diameter (in)4.724
Bolt Circle Diameter (mm)120
Bolt Hole Quantity5
Center Bore Diameter (in)2.7 in
Center Bore Diameter (mm)68.6 mm
ConstructionFull Cast
Disc FinishNon Directional
FAQ - Answer 1Yes, ACDelco also offers GM OE brake rotors and Professional brake rotors.
FAQ - Question 1Does ACDelco offer other grades of brake rotors?
Grade TypeRegular
Hat FinishPlain
Height (in)12
Height (mm)71.1
Length (in)12
MaterialCast Iron
Programming RequiredNo
Rust Resistant CoatingYes
Signs of Wear & Troubleshooting - Section 1 - Bullet 4Vehicle pulls to the left or right when brakes are applied.
Signs of Wear & Troubleshooting - Section 1 - Bullet 5Visible ridges or deep grooves on the rotor surface.
Solid Or Vented Type RotorVented
Surface TypeSmooth
Weight (lb)15.8
Width (in)2.9



  • 2010-2017 GMC Terrain - Position: Rear
  • 2010-2017 Chevrolet Equinox - Position: Rear
Customer Questions
Does AC Delco make Ford parts?
No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.
Can I use AC Delco parts to replace OEM parts?
Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.
What AC Delco oil filter do I need?
AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.
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