Why do brakes need to be replaced in the first place?

Friction material on the brake pads or shoes rubs against rotors or drums to slow the vehicle. In time, that material wears away and the pads/shoes must be replaced. Sometimes the rotors and drums also must be replaced.

What’s the squealing sound I hear when braking?

Over time, wear indicators in brakes pads may contact the rotors’ surface when braking, resulting in a metallic squealing sound. Vehicles equipped with wear sensors may also provide an alert that minimum brake pad thickness has been reached.

What if it’s more of a grinding sound?

If all the friction material has been worn away, the metal backing plate of the brake pad will be the material in contact with the rotor during braking. It causes a grinding sound and braking performance is often diminished.

What about vibrations or shaking in the steering wheel?

This is more serious than pulsation. If the brakes are very worn or the rotors are warped, there can be a significant vibration or shaking in the steering wheel when braking. It may mean brake service is needed immediately.

Why do the brakes seem to pulsate when stopping?

It may be due to poor-quality brake pads, warped rotors or unevenly worn tires. Have the pulsation diagnosed as soon as possible to avoid the possibility of greater brake system wear or damage.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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ACDelco Silver 18A2727A Rear Disc Brake Rotor

Product ID: 279237534

Details

Brand
ACDelco
Exterior finish
Chrome
Manufacturer
ACDelco
Material
Silver
Vehicle service type
Cars

🔇Noise & vibration reduction

🔥Optimized heat dissipation

🛠️OE design & GM-backed quality

Description

🚗 Stop smarter, drive cooler — brake with confidence every mile!

TRUSTED GM BACKING - Rigorous quality testing ensures reliability and perfect pairing with ACDelco brake pads
PRECISION OE DESIGN - Engineered to match original GM specs for flawless fit and performance
DURABILITY MEETS VALUE - Robust construction extends rotor and brake pad life without breaking the bank
QUIET SMOOTH BRAKING - Non-directional ground finish minimizes noise and vibration for a premium ride
ADVANCED HEAT MANAGEMENT - Vane configuration maximizes airflow to keep rotors cool under pressure

The ACDelco Silver 18A2727A Rear Disc Brake Rotor is a GM-backed, OE-spec replacement part designed for Chevrolet Equinox and GMC Terrain models (2010-2017). Featuring advanced vane design for superior heat dissipation, noise reduction, and vibration control, it ensures reliable braking performance and extended rotor life at an economical price point.

Specifications

ASIN	B0055B0ICE
Brand Name	ACDelco
Compatible with Vehicle Type	Cars
Customer Reviews	4.5 4.5 out of 5 stars (283)
Exterior Finish	Chrome
Global Trade Identification Number	00707773818961
Included Components	Brake Rotor
Item Type Name	Brake Rotor
Item Weight	16 Pounds
Manufacturer	ACDelco
Manufacturer Part Number	19286264
Material Type	Silver
Model Number	18A2727A
Number of Items	1
OEM Equivalent Part Number	19286264
UPC	707773818961
Unit Count	1 Count

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