Best ACDelco Car Master Cylinders of 2025

Joseph Prokop Avatar
Joseph Prokop
Last Updated: 11 Feb 2025

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Car Master Cylinders are an essential part of the braking system in vehicles, responsible for converting the force from the brake pedal into hydraulic pressure to activate the brakes. ACDelco is a well-known brand that offers a range of high-quality Car Master Cylinders suitable for different makes and models. These cylinders are designed to provide reliable and consistent performance, ensuring effective braking and safety on the road. They are made from durable materials and undergo rigorous testing to ensure they meet industry standards. ACDelco Car Master Cylinders are a wise investment for any vehicle owner looking to maintain their car's braking system.

At a Glance: Our Top Picks

ACDelco Brake Master Cylinder Reservoir Cap Cover #TOP 1
ACDelco Brake Master Cylinder Reservoir Cap
ftb score rating icon 9.9
ACDelco 18M1988 Professional Brake Master Cylinder Assembly Cover #TOP 2
ACDelco 18M1988 Professional Brake Master Cylinder Assembly
ftb score rating icon 9.8
ACDelco 18G1140 Brake Master Cylinder Repair Kit Cover #TOP 3
ACDelco 18G1140 Brake Master Cylinder Repair Kit
ftb score rating icon 9.6

Top 10 ACDelco Car Master Cylinders

#TOP 1

ACDelco Brake Master Cylinder Reservoir Cap

84917020
ACDelco Brake Master Cylinder Reservoir Cap Cover
ACDelco GM Original Equipment 84917020 Brake Master Cylinder Reservoir Cap

The ACDelco Brake Reservoir Cap is designed for your Chevrolet, Buick, GMC, or Cadillac vehicle. It ensures that your brake system operates smoothly by providing a reliable seal. This product is engineered to meet rigorous standards, ensuring high performance and durability. Additionally, it incorporates the latest materials and technologies, offering you peace of mind that your vehicle's braking system is up to date and functioning efficiently.

What We Like
High-quality engineering
Reliable fit for specific models
Incorporates new materials
Tested for performance
#TOP 2

ACDelco 18M1988 Professional Brake Master Cylinder Assembly

18M1988
ACDelco 18M1988 Professional Brake Master Cylinder Assembly Cover
ACDelco 18M1988 Professional Brake Master Cylinder Assembly

The ACDelco Brake Master Cylinder is designed to meet the stringent brake performance standards of SAE J1153 and J1154, ensuring you can rely on its quality. It undergoes pressure testing, giving you confidence in its ability to deliver safe braking. Made from cast iron and aluminium, this assembly reduces extra stress on brake boosting mounts, enhancing durability. Additionally, its precise geometrical tolerance guarantees a proper fit between the body and plastic reservoir, making installation straightforward for you.

What We Like
Reliable brake performance
Pressure tested for safety
Durable materials used
Easy installation
#TOP 3

ACDelco 18G1140 Brake Master Cylinder Repair Kit

18G1140
ACDelco 18G1140 Brake Master Cylinder Repair Kit Cover
ACDelco 18G1140 Professional Brake Master Cylinder Repair Kit with Clip, Boot, Seals, Washer, Cap, and Piston

The ACDelco Brake Master Cylinder Kit is designed to meet the performance standards required by original equipment manufacturers. This ensures that you receive optimal protection and a longer service life for your vehicle's braking system. The kit includes all necessary hardware, making installation straightforward and hassle-free for you. Each component is thoroughly manufactured, guaranteeing fit, form, and function that meet your expectations, helping to keep your vehicle safe on the road.

What We Like
High performance to OE standards
Easy installation with included hardware
Manufactured for optimal fit and function
#TOP 4

ACDelco GM Brake Master Cylinder Kit

84749956
ACDelco GM Brake Master Cylinder Kit Cover
ACDelco GM Original Equipment 84749956 Brake Master Cylinder Kit with Seals and Nuts

The ACDelco Brake Master Cylinder is designed for safe and confident braking. It is pressure tested to ensure reliability, giving you peace of mind while driving. This product meets the stringent performance requirements of SAE J1153 and J1154 testing, ensuring quality you can trust. As a GM-recommended replacement part, it offers the same quality, reliability, and durability as your vehicle's original factory component, making it an excellent choice for your GM vehicle.

What We Like
Pressure tested for safety
Meets rigorous performance standards
GM-recommended replacement part
High quality and reliability
#TOP 5

ACDelco Professional Brake Master Cylinder Kit

18G1228
ACDelco Professional Brake Master Cylinder Kit Cover
ACDelco 18G1228 Professional Brake Master Cylinder Repair Kit

The ACDelco Brake Master Cylinder offers exceptional performance that meets the standards set by original equipment manufacturers. This ensures you receive optimal protection and a longer service life, which is vital for your vehicle's safety. With the inclusion of necessary hardware, installation becomes a breeze, saving you time and effort. Crafted with precision, this kit is designed to meet your expectations for fit, form, and function, making it a reliable choice for your car maintenance needs.

What We Like
Meets OE manufacturer standards
Easy installation with included hardware
Reliable fit, form, and function
Long-lasting performance
#TOP 6

ACDelco Brake Master Cylinder for GM Vehicles

84826642
ACDelco Brake Master Cylinder for GM Vehicles Cover
ACDelco GM Original Equipment 84826642 Brake Master Cylinder

The ACDelco Brake Master Cylinder is designed to provide safe and confident braking. It is pressure tested to ensure reliability, giving you peace of mind while driving. This component meets the strict performance standards of SAE J1153 and J1154, ensuring high quality and durability. As a GM-recommended replacement part, it guarantees a perfect fit and function, making it an ideal choice for your GM vehicle's original factory component.

What We Like
Pressure tested for safety
Reliable performance standards
GM-recommended replacement
Quality and durability assured
#TOP 7

ACDelco GM Brake Master Cylinder Cap

84954323
ACDelco GM Brake Master Cylinder Cap Cover
ACDelco GM Original Equipment 84954323 Brake Master Cylinder Reservoir Cap

The ACDelco Brake Cap is a GM-recommended replacement part designed specifically for your vehicle’s original factory component. This ensures that you receive the quality, reliability, and durability synonymous with GM original equipment. It is manufactured to GM OE specifications, guaranteeing a perfect fit, form, and function. By using this brake cap, you can enjoy peace of mind knowing that it meets the high standards set by GM, enhancing the overall performance of your braking system.

What We Like
GM-recommended replacement
High quality and reliability
Durable and long-lasting
Perfect fit for your vehicle
#TOP 8

ACDelco Cap Assembly Brake Master Cylinder

84502401
ACDelco Cap Assembly Brake Master Cylinder Cover
ACDelco - Cap Asm-BRK M/C (SLP-1) (84502401)

The ACDelco Brake Master Cylinder is crafted by a leading manufacturer known for its high-quality products. With an international reputation for a diverse range of award-winning items, you can trust in its reliability. This product is fully equipped with state-of-the-art technology, ensuring superior performance. Designed with professionals in mind, it meets the demands of modern users, providing you with the convenience and efficiency needed for optimal vehicle performance.

What We Like
High-quality manufacturing
Award-winning design
Advanced technology
Professional-focused design
#TOP 9

ACDelco Brake Master Cylinder Repair Kit

18G1132
ACDelco Brake Master Cylinder Repair Kit Cover
ACDelco 18G1132 Professional Brake Master Cylinder Repair Kit with Clip, Boot, Seal, Washer, Cap, and Piston

The ACDelco Brake Kit is designed to meet the standards set by original equipment manufacturers, providing you with optimal protection, service life, and safety. It includes all necessary hardware, making installation straightforward and hassle-free. This kit is thoroughly manufactured to ensure perfect fit, form, and function, offering you peace of mind that your braking system will perform reliably. You can trust that this product will enhance the safety and efficiency of your vehicle's braking system.

What We Like
Meets OE standards
Easy installation
Ensures optimal safety
Perfect fit and function
#TOP 10

ACDelco 18M196 Professional Brake Master Cylinder Assembly

18M196
ACDelco 18M196 Professional Brake Master Cylinder Assembly Cover
ACDelco 18M196 Professional Brake Master Cylinder Assembly

The ACDelco Brake Master Cylinder is designed to meet rigorous brake performance standards, ensuring reliability and quality for your vehicle. It undergoes pressure testing, giving you peace of mind for safe and confident braking. Constructed from cast iron and aluminium, it alleviates extra stress on brake boosting mounts. The precise geometrical tolerance guarantees a proper fit between the body and plastic reservoir, enhancing the overall performance and longevity of your braking system.

What We Like
Reliable brake performance
Safe and confident braking
Durable construction materials
Proper fit ensured
Buying Guide Image
Editor's Notes

During our ACDelco car master cylinder research, we found 306 ACDelco car master cylinder products and shortlisted 10 quality products. We collected and analyzed 2,668 customer reviews through our big data system to write the ACDelco car master cylinders list. We found that most customers choose ACDelco car master cylinders with an average price of £98.97.

The ACDelco car master cylinders are available for purchase. The top 10 picks range in price from a low of £14.00 to a high of £104.00, find the one that fits your budget.

Written by
Joseph Prokop Avatar

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.