


🚦 Stop Stronger, Drive Smarter — The GM Power Brake Booster Advantage
The GM Genuine Parts 178-0911 Power Brake Booster is an OE-quality component engineered and tested by GM to restore and enhance braking performance on select GM vehicles. It amplifies brake force for improved stopping power, fits front position, weighs just under 10 pounds, and offers a straightforward installation process. Backed by GM’s rigorous standards and continuous design updates, this part ensures reliable, factory-grade braking efficiency.










| ASIN | B08SML5Y7P |
| Best Sellers Rank | #1,010,407 in Automotive ( See Top 100 in Automotive ) #662 in Automotive Replacement Power Brake Systems |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 3.5 3.5 out of 5 stars (9) |
| Date First Available | July 17, 2020 |
| Exterior | Machined |
| Item Weight | 9.91 pounds |
| Item model number | 178-0911 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 84602473 |
| Model | GM Original Equipment |
| OEM Part Number | 84602473 |
| Position | Front |
| Product Dimensions | 19 x 12.75 x 12.62 inches |
D**X
2014 Chevy Silverado 1500
This fix the issue I was having with my brakes on my Chevy Silverado being hard to press. It seriously took like 30 minutes to replace this. (Easy fix)
B**E
Poor quality
Studs were loose that hold on the brake master cylinder, floating around inside the brake booster and caused further complications
A**R
Perfect fit working good
Right product installed easy
R**S
I order the above item i was told it would fix my car and it didn't fix at all cost me money
I don't like it at all did not fix
Trustpilot
1 week ago
4 days ago