Genuine GM Brake Parts

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2009 Buick Lucerne

CX 3.9L V6 - Flex

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Coated Rear Disc Brake Rotor

GM 19327419

Manufactured with multiple alloys for improved heat dissipation and performance Mill-balanced for proper rotor function; no extra...

$90.20

MSRP $152.24

Save $62.04

40.8% Off

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Coated Front Disc Brake Rotor

GM 19327402

Manufactured with multiple alloys for improved heat dissipation and performance Mill-balanced for proper rotor function; no extra...

$90.43

MSRP $152.62

Save $62.19

40.7% Off

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Coated Front Disc Brake Rotor

GM 19387947

Manufactured with multiple alloys for improved heat dissipation and performance Mill-balanced for proper rotor function; no extra...

$52.70

MSRP $88.02

Save $35.32

40.1% Off

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Coated Front Disc Brake Rotor

GM 19327375

Manufactured with multiple alloys for improved heat dissipation and performance Mill-balanced for proper rotor function; no extra...

$69.59

MSRP $116.97

Save $47.38

40.5% Off

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Performance Front Disc Brake Rotor

GM 19389818

Match OE vane configuration for reduced brake wear and optimal cooling Damped iron metallurgy reduces noise and dissipates heat...

$100.95

MSRP $170.37

Save $69.42

40.7% Off

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Coated Front Disc Brake Rotor

GM 19327472

Manufactured with multiple alloys for improved heat dissipation and performance Mill-balanced for proper rotor function; no extra...

$82.30

MSRP $138.32

Save $56.02

40.5% Off

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Coated Rear Disc Brake Rotor

GM 19327386

Manufactured with multiple alloys for improved heat dissipation and performance Mill-balanced for proper rotor function; no extra...

$89.12

MSRP $149.77

Save $60.65

40.5% Off

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Non-Coated Front Disc Brake Rotor

GM 18027652

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional Premium aftermarket replacement part Manufactured to meet...

$39.66

MSRP $66.24

Save $26.58

40.1% Off

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Coated Rear Disc Brake Rotor

GM 19422601

Manufactured with multiple alloys for improved heat dissipation and performance Mill-balanced for proper rotor function; no extra...

$114.52

MSRP $193.29

Save $78.77

40.8% Off

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Coated Front Disc Brake Rotor

GM 19327391

Manufactured with multiple alloys for improved heat dissipation and performance Mill-balanced for proper rotor function; no extra...

$90.10

MSRP $152.05

Save $61.95

40.7% Off

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Coated Rear Disc Brake Rotor

GM 19327434

Manufactured with multiple alloys for improved heat dissipation and performance Mill-balanced for proper rotor function; no extra...

$41.19

MSRP $68.80

Save $27.61

40.1% Off

Wishlist

Coated Front Disc Brake Rotor

GM 19327459

Manufactured with multiple alloys for improved heat dissipation and performance Mill-balanced for proper rotor function; no extra...

$60.05

MSRP $100.91

Save $40.86

40.5% Off

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What are the Parts of the Brake System of a Car?

A car's brake system is an essential component for properly slowing down and stopping the vehicle. The main components of a car's braking system are the following:

Pedal

The pedal in the brake system is the driver's input mechanism. When it is pressed, it initiates the braking process.
Master Cylinder

The master cylinder, a hydraulic component, transforms the mechanical power delivered to the brake pedal into hydraulic pressure. The pressure is subsequently transferred through the braking lines to the brake calipers or wheel cylinders.
Brake Lines

Brake lines are a system of steel or flexible hoses that transport hydraulic brake fluid to the brake calipers at each wheel. These lines carry the hydraulic pressure produced by the master cylinder.
Brake Calipers

When the brake pedal is depressed in disc brake systems, brake calipers squeeze the brake pads against the brake rotors.
Brake Pads

When the brake pedal is pressed down, friction is produced between the rotors and the pads, slowing the car.
Brake Rotors

Flat metal discs installed on each wheel are braking rotors, commonly referred to as brake discs. When the brakes are applied, the brake pads clamp them.