Why do brakes need to be replaced in the first place?

Friction material on the brake pad contacts the rotors to slow the vehicle. In time, that material wears away and the pads must be replaced. Sometimes the rotors and calipers must also be replaced.

What’s the squealing sound I hear when braking?

Over time, wear indicators in brake 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 worn brake pads, unevenly worn 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 unevenly worn, there can be a significant vibration or shaking in the steering wheel when braking. It may mean brake service is needed immediately.

Gm Genuine Parts 178 0911 23135220 Power Brake Booster Assembly

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$427.45

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚦 Stop Short, Drive Confident: GM Power Brake Booster for the Ultimate Control

PROVEN PERFORMANCE - Tested rigorously to meet GM’s high standards, restoring your vehicle’s original brake responsiveness.
TRUSTED GM QUALITY - Backed by General Motors, ensuring reliability and longevity you can count on.
POWER BOOSTED BRAKING - Amplifies pedal force to deliver superior stopping power and enhanced safety on every drive.
WIDE MODEL COMPATIBILITY - Designed for Escalade, Silverado, Suburban, Tahoe, Sierra, Yukon, and Yukon XL – your all-in-one brake upgrade.
FACTORY GRADE FIT FINISH - Engineered to GM OE specs for seamless installation and perfect compatibility with your GM vehicle.

The GM Genuine Parts 178-0911 Power Brake Booster Assembly is a direct OE replacement designed to restore and enhance your GM vehicle’s braking performance. Manufactured to exact GM specifications, it ensures a perfect fit and reliable durability across multiple GM models, delivering amplified braking force for safer, more confident driving.

Specifications

ASIN	B00S0HC7O2
Best Sellers Rank	#906,996 in Automotive ( See Top 100 in Automotive ) #510 in Automotive Replacement Power Brake Systems
Brand	GM GENUINE PARTS
Customer Reviews	4.0 4.0 out of 5 stars (53)
Date First Available	January 9, 2015
Exterior	Machined
Item Weight	9.75 pounds
Item model number	178-0911
Manufacturer	ACDelco
Manufacturer Part Number	23135220
Model	Escalade,Silverado,Suburban,Tahoe,Sierra,Yukon,Yukon XL
OEM Part Number	23135220
Product Dimensions	16.8 x 12.3 x 12.3 inches

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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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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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$427.45

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ayesha M.

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

5 days ago

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GM Genuine Parts 178-0911 (23135220) Power Brake Booster Assembly

Description

Specifications

Common Questions