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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ACDelco Silver Front Brake Rotor 18A812A | GM 19241867 Brake Rotors for Select Cadillac, Oldsmobile, Pontiac, Chevy, Chevrolet, Buick, and more

ACDelco Silver Front Brake Rotor 18A812A | GM 19241867 Brake Rotors for Select Cadillac, Oldsmobile, Pontiac, Chevy, Chevrolet, Buick, and more

Product ID: 4515307

Details

Automotive Fit Type
Vehicle Fit
Brand
ACDelco
Exterior Finish
Non-coated
Item Diameter
10.94 inches
Manufacturer
AC Delco
Material
Cast Iron

🔇Noise & vibration reduction

🔥Multi-alloy heat dissipation

🛠️Durable cast iron build

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Description

🚗 Upgrade your braking game with precision and power!

WHISPER QUIET RIDE - Non-directional ground finish and balanced rotor design minimize noise and vibration for smooth driving.
EXTENDED BRAKE PAD LIFE - Precision-smooth rotor surface reduces uneven wear, saving you money on replacements.
PERFECT FIT GUARANTEED - Vehicle-specific compatibility with easy VIN confirmation ensures hassle-free installation.
BUILT TOUGH FOR DAILY DEMANDS - Rounded radius edges enhance structural strength to withstand high heat and heavy loads.
ENGINEERED FOR PEAK PERFORMANCE - Optimized vane design maximizes cooling to prevent brake fade under pressure.

The ACDelco Silver Front Brake Rotor 18A812A is a cast iron, multi-alloy rotor engineered for select GM vehicles including Cadillac, Buick, Chevrolet, and Pontiac models. Featuring optimized vane configuration for superior heat dissipation, a non-directional finish to reduce noise and vibration, and a smooth surface to extend brake pad life, this front rotor delivers reliable, durable braking performance. Designed for a perfect vehicle-specific fit, it’s backed by GM quality and trusted by thousands of drivers seeking a premium yet affordable brake upgrade.

Specifications

ASIN	B0031I0ND2
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#64,548 in Automotive ( See Top 100 in Automotive ) #44 in Automotive Replacement Brake Rotors
Brand	ACDelco
Customer Reviews	4.6 4.6 out of 5 stars (618)
Date First Available	October 10, 2007
Exterior Finish	Non-coated
Global Trade Identification Number	00707773625514
Item Diameter	10.94 Inches
Item Weight	1 pounds
Item model number	18A812A
Manufacturer	AC Delco
Manufacturer Part Number	19241867
Material	Cast Iron
Model	18A812A
OEM Part Number	19241867
Position	Front
UPC	707773625514
Vehicle Service Type	Car, Sedan

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118803CFA

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In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

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