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.

Gm Parts 177 1163 Front Disc Brake Rotor

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

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R4496

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛑 Stop at Nothing with GM Genuine OE Precision!

TRUE GM OE QUALITY ASSURANCE - Designed and validated by GM engineers to meet exacting standards for Chevrolet, Buick, GMC, and Cadillac vehicles.
ADVANCED MATERIAL INTEGRATION - Incorporates the latest production updates and materials for enhanced durability and corrosion resistance.
COST EFFECTIVE GENUINE REPLACEMENT - Get authentic GM quality at nearly half the dealership price, with fast and free shipping.
LONG LASTING PERFORMANCE YOU CAN TRUST - Proven to last over 70,000 km, delivering reliable stopping power mile after mile.
PRECISION BALANCED FOR WHISPER QUIET STOPS - Inspected for balance to eliminate noise and vibration, ensuring a smooth, confident braking experience.

The GM Parts 177-1163 Front Disc Brake Rotor is a rigorously tested, OE-engineered brake rotor designed specifically for GM vehicles. Precision balanced to reduce noise and vibration, it features advanced materials for durability and corrosion resistance. Trusted by professionals and backed by GM, this rotor delivers long-lasting, reliable braking performance at a competitive price.

Specifications

ASIN	B00PM3DGWY
Brand Name	GM GENUINE PARTS
Compatible with Vehicle Type	Cars
Country of Publication	China
Customer Reviews	4.7 4.7 out of 5 stars (117)
Exterior Finish	Machined
Global Trade Identification Number	00808709097648
Included Components	Disc Brake Rotor
Item Type Name	Disc Brake Rotor
Item Weight	25.45 Pounds
Manufacturer	ACDelco
Manufacturer Part Number	23144340
Model Number	177-1163
OEM Equivalent Part Number	23144340
UPC	808709097648
Unit Count	1 Count

Reviews

M**.

As usual, great GM OE product. This is OE (original equipment) line which is the same as when it was manufactured. AC Delco has many different levels of quality so be sure you get this and not a lesser AC Delco line/product. No other rotor has lasted me 70,000+ kms. This is my second set from Amazon. Also, obviously just under half price from the dealership. Thanks Amazon for always having these parts available with fast and free shipping!!

30.01.2020

N**S

Good quality rotors, no rust visible after a few months since installation. OEM

8.09.2025

C**S

great coated o/e rotors stop very smooth matched them with akebono pads absolutely no vibration even at high speed

3.06.2025

M**S

These are Great rotors for a good price ! These are the rotors that are on the new 2017 GM trucks with the FNC coating , so they are not suppose to rust .

28.07.2017

N**K

Factory rotors. Recommended since they have a coating for longer lasting then aftermarket

15.08.2016

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