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 18A1675A Rear Disc Brake Rotor

Product ID: 207960101

Details

Brand
ACDelco
Exterior finish
Non-coated
Global Trade Identification Number
Manufacturer
ACDelco
Material
Cast Iron
Number of items
1

🔥Multi-alloy heat dissipation

⚖️Mill balanced precision

🛡️Validated metallurgy & thickness

฿16729

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛑 Stop on a dime, drive with confidence.

PRECISION MILL BALANCED - No extra weights needed—experience smooth, vibration-free braking every time.
DURABILITY MEETS STRENGTH - Rounded radius design adds structural integrity for long-lasting reliability.
OPTIMIZED FOR SAFETY COMFORT - Vane configuration reduces noise and vibration while maximizing airflow for consistent stopping power.
ECONOMICAL QUALITY BACKED BY GM - Dependable OEM-level quality at a value price, compatible with most GM and other vehicle models.
ENGINEERED FOR PEAK PERFORMANCE - Multi-alloy construction ensures superior heat dissipation, keeping your brakes cool under pressure.

The ACDelco Silver 18A1675A Rear Disc Brake Rotor is a high-value, multi-alloy rotor engineered for superior heat dissipation and mill balanced for smooth braking. Designed with a rounded radius for added strength and validated metallurgy for consistent thickness, it offers reliable stopping power with reduced noise and vibration. Backed by General Motors, this rotor fits most GM and other vehicle models, delivering OEM-quality performance at an economical price.

Specifications

ASIN	B0031I806O
Brand Name	ACDelco
Compatible with Vehicle Type	Cars
Customer Reviews	4.6 4.6 out of 5 stars (480)
Exterior Finish	Non-coated
Global Trade Identification Number	00707773625163
Included Components	19241832
Item Type Name	Brake Rotor
Item Weight	454 g
Manufacturer	ACDelco
Manufacturer Part Number	19241832
Material Type	Cast Iron
Model Number	18A1675A
Number of Items	1
OEM Equivalent Part Number	19241832
UPC	707773625163

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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