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 Gold 18A2497 Black Hat Front Disc Brake Rotor Medium

Acdelco Gold 18A2497 Black Hat Front Disc Brake Rotor Medium

Product ID: 264499489

Details

Brand
ACDelco
Exterior finish
Non-coated
Item diameter
12.8 Inches
Material
Cast Iron
Vehicle service type
Cars

🔥Vented Design for Heat Dissipation

🛠️Precision Cast Iron Build

🛡️Rust-Preventative Coating

NZ$566

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛑 Stop Smooth, Stop Smart — Upgrade Your Ride with ACDelco Gold!

SMOOTH QUIET BRAKING - Balanced and NVH-tested for whisper-quiet stops and vibration-free performance.
VENTED ROTOR TECHNOLOGY - Advanced vented design disperses heat efficiently, extending brake pad and rotor lifespan.
CORROSION RESISTANT FINISH - Rust-preventative coating ensures long-lasting durability and maintains sleek appearance.
ENGINEERED FOR PERFECT FIT - Seamlessly compatible with Buick, Chevrolet, GMC & Saturn models (2007-2017) for hassle-free installation.
PREMIUM AFTERMARKET QUALITY - Meets or exceeds OEM specs, delivering reliable, high-performance braking you can trust.

The ACDelco Gold 18A2497 Black Hat Front Disc Brake Rotor is a premium, vented cast iron rotor designed for select GM vehicles from 2007-2017. Featuring a rust-preventative coating and precision balance, it ensures superior heat dissipation, quiet braking, and long-lasting durability. Tested for noise, vibration, and wear, this rotor meets OEM standards for fit and function, making it a trusted upgrade for professional-grade stopping power.

Specifications

ASIN	B001LQ0QBA
Best Sellers Rank	#181,238 in Automotive ( See Top 100 in Automotive ) #77 in Car Brake Disc Rotors
Brand	ACDelco
Customer Reviews	4.6 4.6 out of 5 stars (461)
Date First Available	1 January 2024
Exterior	Non-coated
Item Weight	9.98 Kilograms
Item model number	18A2497
Manufacturer	ACDELCO
Manufacturer Part Number	19203681
Model	19203681
OEM Part Number	19203681
Position	Front
Product Dimensions	33.3 x 33.3 x 7.44 cm; 9.98 kg

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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

5 days ago

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