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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VT73271

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚦 Stop Short of Ordinary – Upgrade to Genuine Power!

FACTORY BACKED RELIABILITY - Manufactured to GM’s rigorous standards for unmatched durability and trust.
LIGHTWEIGHT YET ROBUST DESIGN - At just 9.75 lbs, it balances strength and efficiency for long-lasting use.
POWER BOOSTED BRAKING PERFORMANCE - Amplifies pedal force for confident, responsive stops every time.
PRECISION ENGINEERED FOR GM VEHICLES - Seamless OE-spec fit ensures hassle-free installation and peak performance.
DIRECT REPLACEMENT FOR ORIGINAL PARTS - Maintains your vehicle’s integrity with genuine GM quality and compatibility.

The GM Genuine Parts 178-0911 Power Brake Booster Assembly is a factory-engineered, OE-spec replacement designed to restore and enhance braking power in GM vehicles like Escalade, Silverado, and Tahoe. Weighing 9.75 pounds and built to rigorous GM standards, it guarantees reliable, durable performance and a perfect fit, ensuring your brake system operates with maximum efficiency and safety.

Specifications

ASIN	B00S0HC7O2
Best Sellers Rank	#1,338,955 in Automotive ( See Top 100 in Automotive ) #887 in Automotive Replacement Power Brake Systems
Brand	GM GENUINE PARTS
Customer Reviews	4.0 4.0 out of 5 stars (52)
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

Reviews

J**.

28.01.2026

N**E

26.02.2025

D**D

10.08.2020

N**T

11.07.2017

C**.

21.10.2022

A**H

7.07.2021

C**S

13.02.2025

T**N

13.08.2024

A**A

8.09.2025

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

VT73271

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered 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 Vanuatu.

Secure transaction

Trustpilot

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

Description

Specifications

Reviews

Common Questions