Shopping Cart

Your cart is empty.

Your cart is empty.

ACDelco GM Original Equipment 174-1217 Brake Master Cylinder with Seal and Retainer

Free shipping on orders over $29.99

$140.46

$ 65 .99 $65.99

In Stock
  • Pressure tested to ensure safe and confident braking
  • Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured with GM Original Equipment specification for fit, form, and function


ACDelco GM Original Equipment Brake Master Cylinder is a hydraulic pump mounted to the brake booster and contains a reservoir that holds brake fluid. This original equipment brake master cylinder has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.


Oziel Betancourt
August 30, 2025
Good seller, fast delivery
Doug Romonovich
July 5, 2025
This brake master cylinder installed easy. It comes with everything you need to install including new plastic bottle holders. You need to re-use your old bottle so I suggest having a can of brake clean on had to clean it out. Move the radiator overflow out of the way and it makes the job easier. I used a vacuum pump to pull out as much of the brake fluid in the reservoir as I could get out. Lay down a towel under the brake master and brake booster as brake fluid is extremely toxic and corrosive especially to paint. Unhook the brake low fluid sensor and then crack loose the 2 flare nuts on the side before removing the 2 nuts holding the master to the booster. After the nuts are off finish removing the brake flare nuts and try not to make a big miss. Install is the reverse making sure to use the supplied Oring from master to brake booster and to refill the bottle with fresh fluid. I also bench blade the master but by how quick it happened I am pretty sure these units are already done at the factory. Make sure to bleed the brakes afterwards. Not a hard job at all maybe 30-45 minutes.*signs of a bad break master cylinder where squishy pedal that went to the floor and blackish brake fluid.**If you do not have a high end diagnostic scanner you can reset the abs module to get the pedal feel back after install by going to a gravel lot getting speed up and slamming on the brakes. You will thank me for this later.
Rob Caylor
July 1, 2025
I'm a GM guy and only use AC Delco products on my personal fleet of vehicles. It is awesome when I can get this brand and quality at such low prices and fast free shipping!
Gabi VD
April 20, 2025
Perfect fit for my Chevy. After 3 months brakes are still like OEM.
Carlos Tavares
January 29, 2025
I expected more from OEM parts, got 1-1/2 years and have to replace again , not a part you would want to fail on you when you need it most
Michael
January 16, 2025
Easy to install new hardware included great oem.
Customer
November 25, 2024
As expected
Recommended Products

$63.06

$ 26 .99 $26.99

4.9
Select Option

$55.00

$ 26 .99 $26.99

4.7
Select Option

$32.56

$ 14 .99 $14.99

5.0
Select Option

$43.01

$ 20 .99 $20.99

5.0
Select Option

$107.06

$ 51 .99 $51.99

4.9
Select Option

$47.91

$ 24 .99 $24.99

4.9
Select Option

$136.01

$ 60 .99 $60.99

4.4
Select Option

$66.77

$ 26 .99 $26.99

5.0
Select Option