{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
Select your vehicle
Vehicle Info Required to Guarantee FitAdd Vehicle

AC Delco®
18M391422 Professional Series Brake Master Cylinder Without Reservoir

Tap image and pinch to zoom.
$125.99
$133.22Save: $7.23(5%)
Manufacturer #18M391422
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Brand:
Series:
Professional Series
Condition:
New
Reservoir Included:
Without Reservoir
Quantity Sold:
Sold individually
Warranty:
24-months or unlimited mile AC Delco limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use:
OE Replacement

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
2008-2010 Audi A5 Quattro
Base
6 Cyl 3.2L
Manufactured By Girling-Trw
2008-2012 Audi S5
Base
8 Cyl 4.2L
Manufactured By Girling-Trw
2009 Audi A4 Quattro
Base
6 Cyl 3.2L
Manufactured By Girling-Trw
2009 Audi A4 Quattro
Cabriolet
6 Cyl 3.2L
Manufactured By Girling-Trw
2009 Audi A4 Quattro
Cabriolet
4 Cyl 2.0L
Manufactured By Girling-Trw
Page 1 of 6 | Showing 1 - 5 of 27 results

Product Information

ACDELCO PROFESSIONAL BRAKE MASTER CYLINDERS

Make sure you can safely and smoothly come to a halt when you need to with ACDelco’s Professional brake master cylinders. These brake parts are built to OE standards and stringently tested to ensure durability and superior braking performance with minimal vibration, noise and harshness. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.

  • Meticulously tested for durability/wear as well as vibration, noise and harshness (NVH)
  • Built with high-quality materials for durability and excellent braking performance
  • Coverage sans across a wide range of makes and models
  • Made to exact OE requirements to guarantee superior quality and precise fit
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

Customer Reviews