


⚙️ Upgrade your brake system with GM precision – because your ride deserves the best.
The GM Genuine Parts 22895243 Brake Master Cylinder Cap is a precision-machined metal component engineered by GM to meet strict OE standards. Designed for perfect compatibility with Chevrolet, Buick, GMC, Cadillac vehicles, and even select Tesla models, it supports DOT 3 and DOT 4 brake fluids. This durable, modern-style cap ensures leak-free performance and is trusted by professionals and enthusiasts alike.










| ASIN | B08NMZFQPX |
| Best Sellers Rank | #214,432 in Automotive ( See Top 100 in Automotive ) #35 in Automotive Replacement Master Cylinder Caps |
| Brand | GM GENUINE PARTS |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (24) |
| Date First Available | November 16, 2020 |
| Exterior Finish | Machined |
| Item Weight | 0.634 ounces |
| Item dimensions L x W x H | 2.9 x 2.9 x 0.7 inches |
| Item model number | 22895243 |
| Manufacturer | GM Genuine Parts |
| Manufacturer Part Number | 22895243 |
| Material | Metal |
| Model | GM Original Equipment |
| Product Dimensions | 2.9 x 2.9 x 0.7 inches |
| Style | Modern |
| UPC | 193468481969 |
| Vehicle Service Type | Car |
A**R
Fit good
Works as intended.
C**I
Fits 2022 Tesla Model S
I bought this to replace the DOT3 cap on a 2022 Tesla Model S Plaid after upgrading to Carbon Ceramic Brakes with DOT 5.1 fluid from the service center. They don't swap out the cap. Since they don't make DOT 5.1 caps, I opted for a DOT 4 cap. This fit perfectly without any leaks.
A**E
Looks just like OEm
Item fitted as it should.
H**S
Fits my 2018 Camaro
Works perfect for 2018 Camaro ZL1 1LE. I replaced the stock fluid with DOT 4 for track use and wanted to make sure the cap stated the correct fluid.
J**E
Fit my 2016 Chevy SS
Perfect replacement for 2016 Chevy SS
M**O
Perfect fit!
Perfect fit for my H2
L**Y
Gits
Fit 2016 REGAL
C**.
Does not work on my 2015 Corvette.
I was under the impression that this cap would work on my car but it does not tighten down.
Trustpilot
1 month ago
2 weeks ago