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 18A396A (19261819) Non-Coated Rear Disc Brake Rotor

ACDelco Silver 18A396A (19261819) Non-Coated Rear Disc Brake Rotor

Product ID: 9982390

Details

Brand
ACDelco
Exterior Finish
Non coated
Global Trade Identification Number
Manufacturer
AC Delco
Number of Items
1
OEM Part Number
19261819

🔥Multi-alloy heat dissipation

⚖️Mill-balanced precision

🛡️Durable rounded radius strength

Description

🛑 Stop with confidence, brake with style!

BUILT TO LAST - Rounded radius design adds structural strength to resist warping and extend rotor life.
VALUE MEETS QUALITY - Economical pricing without compromising on performance or durability — upgrade your ride without the premium price tag.
OEM BACKED RELIABILITY - Quality validated metallurgy and correct thickness guarantee dependable braking power for GM and most other vehicles.
PRECISION MILL BALANCED - Eliminates the need for extra weights, ensuring smooth, vibration-free braking every time.
ENGINEERED FOR PEAK PERFORMANCE - Multi-alloy construction maximizes heat dissipation, keeping your brakes cool under pressure.

The ACDelco Silver 18A396A Rear Disc Brake Rotor offers a high-value, OEM-backed solution engineered with multi-alloy materials for superior heat dissipation and durability. Mill-balanced for smooth operation and featuring a rounded radius for added strength, this rotor fits General Motors and most other vehicle models. It delivers reliable braking performance, noise reduction, and extended brake pad life—all at an economical price point with a 12-month unlimited mileage warranty.

Specifications

ASIN	B003YMTJ94
Best Sellers Rank	#3,629,093 in Automotive ( See Top 100 in Automotive ) #12,576 in Automotive Replacement Brake Rotors
Brand Name	ACDelco
Customer Reviews	4.6 4.6 out of 5 stars (140)
Exterior Finish	Non coated
Global Trade Identification Number	00707773650783
Included Components	Brake Rotor
Item Type Name	Brake Rotor
Manufacturer	AC Delco
Manufacturer Part Number	19261819
Manufacturer Warranty Description	12 Months / Unlimited Miles (Parts Only)
Model Number	18A396A
OEM Equivalent Part Number	19261819
UPC	707773650783
Unit Count	1.0 Count

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Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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