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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Silver Rear Brake Rotor 18A1412A | GM 19241820 Brake Rotors for Select Cadillac Escalade, Chevrolet Avalanche, Express, Chevy Silverado, Suburban, Tahoe, GMC Yukon, Sierra, and more

Silver Rear Brake Rotor 18A1412A | GM 19241820 Brake Rotors for Select Cadillac Escalade, Chevrolet Avalanche, Express, Chevy Silverado, Suburban, Tahoe, GMC Yukon, Sierra, and more

Product ID: 11239766

Details

Automotive Fit Type
Vehicle Fit
Brand
ACDelco
Exterior Finish
Non-coated
Global Trade Identification Number
Manufacturer
AC Delco
Material
Cast Iron

🔇Non-directional finish reduces noise & vibration

🔥Superior heat dissipation with multi-alloy & vane design

🛠️Precision vehicle-specific fit for seamless installation

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VT52808

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Description

🚗 Upgrade your brake game with OEM precision and lasting power!

WHISPER QUIET RIDE - Non-directional ground finish and balanced design minimize noise and vibration, delivering a smooth, comfortable braking experience.
EXTENDED BRAKE PAD LIFE - Smooth rotor surface reduces uneven wear, helping your brake pads last longer and saving you money on replacements.
PERFECT FIT ZERO HASSLE - Vehicle-specific compatibility with Cadillac, Chevrolet, GMC models—validate your fit in 3 easy steps with the Confirmed Fit tool.
BUILT TOUGH FOR DAILY DEMANDS - Rounded radius edges enhance structural strength under high heat and load, ensuring durability for your everyday drives.
ENGINEERED FOR PEAK PERFORMANCE - Multi-alloy construction and optimized vane configuration maximize cooling to prevent brake fade during intense drives.

The ACDelco Silver Rear Brake Rotor 18A1412A is a cast iron, vehicle-specific rear rotor designed for select Cadillac, Chevrolet, and GMC models. Featuring multi-alloy construction and optimized vane design, it offers superior heat dissipation to reduce brake fade. Its non-directional finish minimizes noise and vibration, while a smooth surface extends brake pad life. Durable rounded edges ensure strength under heavy use. Backed by GM quality, this rotor delivers reliable, OEM-level performance and easy installation.

Specifications

ASIN	B0031I4HNE
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#35,776 in Automotive ( See Top 100 in Automotive ) #22 in Automotive Replacement Brake Rotors
Brand	ACDelco
Brand Name	ACDelco
Compatible with Vehicle Type	Car, SUV, Truck, Van
Customer Reviews	4.6 out of 5 stars 1,246 Reviews
Exterior Finish	Non-coated
Global Trade Identification Number	00707773625040
Included Components	Brake Rotor
Item Type Name	Brake Rotor
Item Weight	21.9 Pounds
Manufacturer	AC Delco
Manufacturer Part Number	19241820
Manufacturer Warranty Description	24 Months / Unlimited Miles Limited Warranty (Parts Only). Please see ACDelco.com for more details
Material	Cast Iron
Material Type	Cast Iron
Model Number	18A1412A
OEM Equivalent Part Number	19241820
UPC	707773625040
Unit Count	1.0 Count
Vehicle Service Type	Car, SUV, Truck, Van

Reviews

D**T

27.09.2025

E**R

7.03.2026

J**Y

24.08.2023

M**Y

4.07.2025

D**.

29.01.2026

J**.

24.08.2015

E**.

2.07.2025

B**N

7.09.2025

D**N

24.11.2016

L**N

1.11.2023

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

VT52808

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered 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 Vanuatu.

Secure transaction

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