Brakes› Master Cylinders-Boosters and Components

ACDelco

Brake Master Cylinder Assembly

$1,442.81

SKU: 87815018

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The ACDelco 87815018 is a brake master cylinder assembly. This part, also known as a Master Cylinder or Master Cylinder Assembly, is a Genuine GM part manufactured by General Motors.

It is a new part and comes with GM's factory warranty.
Show original supplier description
The ACDelco 87815018 is a genuine GM brake master cylinder assembly, also identified as CYLINDER ASM-BRK MAS(W/P/B BOOS&ELEK BRK). This component is crucial for the hydraulic operation of your vehicle's braking system, regulating fluid pressure to engage the brakes. This master cylinder is designed for specific applications, fitting 2022-2023 Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon models. It is compatible with various engine options, including 3.0L Diesel, 5.3L V8, and 6.2L V8 engines, as well as specific configurations like 1/2 TON, CREW CAB, EXTENDED CAB, REGULAR CAB, and 4 DOOR models. Please verify your vehicle's specific configuration against the detailed fitment list. Each part undergoes rigorous testing to ensure it is safe, durable, and performs to the level of your original equipment. The part is backed by GM's factory warranty, providing added assurance of its quality and reliability.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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Specifications

BrandACDelco
Part Number87815018
CategoryBrakes

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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