{
    "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

GMC G2500 Brake Master Cylinders

Refine by:

Shop Catalog

Showing 1 - 15 of 20 results
Display item:
15
30
45
Sort by:
18M1779 DuraStop Series Brake Master Cylinder With Reservoir
Part Number: AC18M1779
Vehicle Info Required to Guarantee Fit
$60.99
Product Details
Series : DuraStop SeriesCondition : NewReservoir Included : With ReservoirQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 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
M39578 First Stop Series Brake Master Cylinder With Reservoir
Part Number: RBM39578
Vehicle Info Required to Guarantee Fit
$51.49
Product Details
Notes : 1.25 / 1.58 in. bore diameter; 9/16-18 Forward Outlet Size Forward Outlet Size; 1/2-20 Rearward Outlet SizeSeries : First Stop SeriesCondition : NewReservoir Included : With ReservoirReplaces OE Number : M900323, M900522, M900802, MC110887, MC120599, M2058, NM1873, NM2058, F110887, F120599, 174-645, 174-665, 18M129, 18M217, 18M316, 18M593, 12058, 12493, 2539413, 2539578, MC390063, MC39578, M-86015, M86015, 130.66015, 131.66015, 131.66019, 18010556, 18013440, 13-1905, 13-2058, 10-2058, 110887, 783-44015, 83-44015Includes : With CapQuantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Material : AluminumRecommended Use : OE ReplacementOutlet Quantity : 2 OutletsInterchange Part Number : M900323, M900522, M900802, MC110887, MC120599, M2058, NM1873, NM2058, F110887, F120599, 174-645, 174-665, 18M129, 18M217, 18M316, 18M593, 12058, 12493, 2539413, 2539578, MC390063, MC39578, M-86015, M86015, 130.66015, 131.66015, 131.66019, 18010556, 18013440, 13-1905, 13-2058, 10-2058, 110887, 783-44015, 83-44015
M104456 First Stop Series Brake Master Cylinder With Reservoir
Part Number: RBM104456
Vehicle Info Required to Guarantee Fit
$40.99
Product Details
Series : First Stop SeriesCondition : NewReservoir Included : With ReservoirReplaces OE Number : M900358, MC104456, M1863, NM1863, F104456, 174-837, 18M160, 11863, 2539308, MC39308, M-82040, 130.62040, 131.62040, 14047683, 25509416, 13-1863, 10-1863, 783-36040, 83-36040Includes : With CapQuantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Interchange Part Number : M900358, MC104456, M1863, NM1863, F104456, 174-837, 18M160, 11863, 2539308, MC39308, M-82040, 130.62040, 131.62040, 14047683, 25509416, 13-1863, 10-1863, 783-36040, 83-36040Material : Cast IronRecommended Use : OE Replacement
MC39308 Element3 Series Brake Master Cylinder
Part Number: RAYMC39308
Vehicle Info Required to Guarantee Fit
$60.99
Product Details
Notes : (2) Number of Ports; 9/16"-18 Primary Port Thread ASeries : Element3 SeriesQuantity Sold : Sold individuallyWarranty : Raybestos limited warrantyProp 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
130.66015 Premium Series Brake Master Cylinder With Reservoir
Part Number: CE130.66015
Vehicle Info Required to Guarantee Fit
$60.99
Product Details
Series : Premium SeriesCondition : NewReservoir Included : With ReservoirQuantity Sold : Sold individuallyWarranty : 90-day or 3,000-mile Centric limited warrantyProp 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
M105118 First Stop Series Brake Master Cylinder With Reservoir
Part Number: RBM105118
Vehicle Info Required to Guarantee Fit
$55.99
Product Details
Series : First Stop SeriesCondition : NewReservoir Included : With ReservoirReplaces OE Number : M900373, MC104514, M1865, NM1865, F104514, F105118, MC105118, 18M173, 11865, 2539330, MC39330, M-82042, 130.62042, 131.62042, 14036113, 14036114, 13-1865, 10-1865, 783-36042, 83-36042Includes : With CapQuantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Interchange Part Number : M900373, MC104514, M1865, NM1865, F104514, F105118, MC105118, 18M173, 11865, 2539330, MC39330, M-82042, 130.62042, 131.62042, 14036113, 14036114, 13-1865, 10-1865, 783-36042, 83-36042Material : Cast IronRecommended Use : OE Replacement
MC39330 Element3 Series Brake Master Cylinder
Part Number: RAYMC39330
Vehicle Info Required to Guarantee Fit
$63.49
Product Details
Notes : (2) Number of Ports; 1/2"-20 Primary Port Thread ASeries : Element3 SeriesQuantity Sold : Sold individuallyWarranty : Raybestos limited warrantyProp 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
130.62042 Premium Series Brake Master Cylinder With Reservoir
Part Number: CE130.62042
Vehicle Info Required to Guarantee Fit
$61.99
Product Details
Series : Premium SeriesCondition : NewReservoir Included : With ReservoirQuantity Sold : Sold individuallyWarranty : 90-day or 3,000-mile Centric limited warrantyProp 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
130.6204 Premium Series Brake Master Cylinder With Reservoir
Part Number: CE130.62040
Vehicle Info Required to Guarantee Fit
$62.49
Product Details
Series : Premium SeriesCondition : NewReservoir Included : With ReservoirQuantity Sold : Sold individuallyWarranty : 90-day or 3,000-mile Centric limited warrantyProp 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
MC39077 Element3 Series Brake Master Cylinder
Part Number: RAYMC39077
Vehicle Info Required to Guarantee Fit
$66.49
Product Details
Notes : (2) Number of Ports; 9/16"-18 Primary Port Thread ASeries : Element3 SeriesQuantity Sold : Sold individuallyWarranty : Raybestos limited warrantyProp 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
MC39578 PG plus Series Brake Master Cylinder With Reservoir
Part Number: RAYMC39578
Vehicle Info Required to Guarantee Fit
$78.99
Product Details
Series : PG plus SeriesCondition : NewReservoir Included : With ReservoirQuantity Sold : Sold individuallyWarranty : Raybestos limited warrantyProp 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
M39077 First Stop Series Brake Master Cylinder With Reservoir
Part Number: RBM39077
Vehicle Info Required to Guarantee Fit
$55.99
Product Details
Notes : 1.13 in. bore diameter; Use existing installation hardware; Does not include sensor; 1/2-20 in. Forward Outlet Size Forward Outlet Size; 9/16-18 in. Rearward Outlet SizeSeries : First Stop SeriesCondition : NewReservoir Included : With ReservoirReplaces OE Number : M900263, MC250620, F101268, MC101268, 18M94, 12121, 2539077, MC39077, M-86016, 130.66016, 18001007, 18002455, 18005250, 18009462, 2621565, 13-1731, 10-1731, 101268, 83-44016Quantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Outlet Quantity : 2 OutletsInterchange Part Number : M900263, MC250620, F101268, MC101268, 18M94, 12121, 2539077, MC39077, M-86016, 130.66016, 18001007, 18002455, 18005250, 18009462, 2621565, 13-1731, 10-1731, 101268, 83-44016Recommended Use : OE Replacement
18M94 DuraStop Series Brake Master Cylinder
Part Number: AC18M94
Vehicle Info Required to Guarantee Fit
$84.99
Product Details
Series : DuraStop SeriesCondition : NewQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 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
18M173 OE Replacement Series Brake Master Cylinder With Reservoir
Part Number: AC18M173
Vehicle Info Required to Guarantee Fit
$86.49
Product Details
Series : OE Replacement SeriesCondition : NewReservoir Included : With ReservoirReplaces OE Number : 18030415Includes : With CapQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 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
18M160 OE Replacement Series Brake Master Cylinder With Reservoir
Part Number: AC18M160
Vehicle Info Required to Guarantee Fit
$69.99
Product Details
Series : OE Replacement SeriesCondition : NewReservoir Included : With ReservoirIncludes : With CapQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 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
Page 1 of 2 | Showing 1 - 15 of 20 results

Top Rated Products

Fit great showed up 3 days early. Good price for it and I will recommend people to uSee More
Arthur E.
VERIFIED PURCHASER
Good part, fast delivery, good price!
Francis M.
VERIFIED PURCHASER

Product Questions & Answers

Q:What size an female fittings Are on the side?
Christopher A.
A:BEST ANSWERHi Christopher, I'm pleased to assist you. The AC Delco 18M160 Brake Master Cylinder with Reservoir features 9/16"-18 female fittings on the side. Use the link below to directly place your order while the part is in stock. Your order will come with a 30-day post-purchase price match guarantee. I hope this helps and enjoy shopping! https://www.carparts.com/brake-master-cylinder/ac-delco/ac18m160?can=CPGG4850_CSQA_20240318 Show less
Grace G.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

Testing a Brake Master Cylinder: Tips and Tricks
Testing a Brake Master Cylinder: Tips and TricksThe master cylinder’s simple design is the reason why it’s exceptionally durable. However, brake master cylinders can develop leaks, which can lead to brake failure if not fixed immediately. Diagram showing the brake master cylinder, booster, and brake pedal pushrod | Image Source: Richard McCuistian
How Long Does a Brake Job Take? Plus FAQs
How Long Does a Brake Job Take? Plus FAQsWhile replacing worn-out brake pads and bleeding the brakes are some of the most common maintenance tasks you shouldn’t miss, there might be times when a complete brake job is needed to ensure your safety. How Long Does It Take to Do a Brake Job? A complete brake job is a thorough
Where Is the Master Cylinder Located?
Where Is the Master Cylinder Located?On the other hand, if your vehicle has manual brakes, you’ll likely find the master cylinder fixed to the firewall and connected to the brake pedal. Note, however, that practically no vehicle has manual (not powered) brakes any more. Tips on How to Access the Master Cylinder