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.

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.

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.

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GM Genuine Parts 171-1040 (25940447) Front Disc Brake Pad Set

GM Genuine Parts 171-1040 (25940447) Front Disc Brake Pad Set

Product ID: 12150768

Details

Auto Part Position
Front
Brand
GM GENUINE
Material
Ceramic
Specification Met
OEM
Vehicle Service Type
Car

🔇Noise & vibration reduction tech

🔧Exact GM OE fit & form

🛑Premium ceramic friction material

HK$3675

Duties & taxes included

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Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛑 Stop Like a Pro, Ride Like a Boss

PEACE OF MIND WARRANTY - Backed by a 12-month/12,000-mile warranty—because your safety deserves guaranteed performance.
TRUSTED OEM REPLACEMENT - GM-recommended part ensures factory-level quality and reliability for Cadillac, Chevy, and more.
DURABLE CERAMIC PERFORMANCE - Integrally molded ceramic pads deliver consistent braking power with enhanced longevity.
QUIET CONFIDENCE EVERY DRIVE - Premium shims, slots, and chamfers minimize noise and vibration, so your ride stays smooth and composed.
PRECISION ENGINEERED FOR YOUR GM - Manufactured to GM OE specs for flawless fit and function—no guesswork, just perfect stops.

GM Genuine Parts 171-1040 Front Disc Brake Pad Set offers premium ceramic friction material integrally molded to steel backing plates, engineered to GM OE specifications for perfect fit and reliable braking performance. Designed to reduce noise and vibration with advanced shims, slots, and chamfers, this brake pad set is the trusted OEM replacement for select Cadillac and Chevy models, backed by a 12-month/12,000-mile warranty for lasting confidence.

Specifications

ASIN	B00559PCI6
Auto Part Position	Front
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#269,105 in Automotive ( See Top 100 in Automotive ) #1,322 in Automotive Replacement Brake Pads
Brand Name	GM GENUINE PARTS
Compatible with Vehicle Type	Car
Customer Reviews	4.4 4.4 out of 5 stars (91)
Global Trade Identification Number	00707773701867
Included Components	Brake Pad Set
Item Type Name	Brake Pad Set
Manufacturer	ACDelco
Manufacturer Part Number	25940447
Manufacturer Warranty Description	12 Months / 12,000 Miles (Parts Only)
Material Type	Ceramic
Model Number	171-1040
Number of Items	1
OEM Equivalent Part Number	25940447
Specification Met	OEM
UPC	707773701867
Unit Count	1.0 Count

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HK$3675

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered 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 Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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