ACDelco Professional Brake Master Cylinder 18M1878
Finditparts.com 
Walmart.com 
$57.82
ACDelco Professional Brake Master Cylinder 18M1878 Price comparison
- All prices mentioned above are in United States dollar.
- This product is available at FinditParts, Walmart.com.
- At finditparts.com you can purchase Acdelco 18M1878 - Brake Master Cylinder 0.937" Bore Cast Iron, 2 Mounting Holes for only $67.99 , which is 42% less than the cost in Walmart.com ($116.78).
- The lowest price of ACDelco 18M391472 Brake Master Cylinder Fits select: 1997-2009,2011-2018 ISUZU NPR was obtained on July 3, 2026 01:45.
ACDelco Professional Brake Master Cylinder 18M1878 Price History
ACDelco Professional Brake Master Cylinder 18M1878 Description
ACDelco Professional Brake Master Cylinder 18M1878: Optimal Stopping Power
The ACDelco Professional Brake Master Cylinder 18M1878 is a vital component for ensuring your vehicle’s braking system functions at peak performance. Expertly crafted by ACDelco, this high-quality brake master cylinder is essential for maintaining safety on the road. With its durable design and reliable functionality, the 18M1878 is recognized as a top choice for automotive professionals and enthusiasts alike. Whether you are upgrading your vehicle or replacing an old component, this product guarantees impressive brake operation.
Main Features and Benefits
- High-Quality Construction: Manufactured by ACDelco, the 18M1878 is made to meet or exceed OEM specifications, ensuring high durability under various driving conditions.
- Lightweight Design: Weighing only 1.4 pounds, this brake master cylinder is easy to handle and install, making it a practical choice for both DIY mechanics and professional technicians.
- Precise Dimensions: With product dimensions of 9.4 x 5.8 x 4.8 inches, the 18M1878 is designed to fit seamlessly into various vehicle models without modifications, providing hassle-free installation.
- Superior Performance: This brake master cylinder is crucial in maintaining proper brake fluid pressure, delivering responsive braking performance that enhances your vehicle’s safety.
- Country of Origin: Proudly made in China, you can trust the expertise and craftsmanship that goes into each unit of the ACDelco professional line.
- OEM Number Compatibility: The 18M1878 is compatible with OEM Part Number 19176488, ensuring that it works perfectly with your vehicle’s existing brake system.
Price Comparison Across Suppliers
Pricing for the ACDelco Professional Brake Master Cylinder 18M1878 varies across different suppliers. As of now, prices typically range from $60 to $90. Visiting our site allows you to compare these prices easily, ensuring you get the best deal available.
6-Month Price History Trends
Our 6-month price history chart reveals how the price of the ACDelco 18M1878 brake master cylinder has fluctuated. This trend shows an initial high range of prices, followed by a gradual decrease in recent months, making it an excellent time to consider purchasing this product. Keeping an eye on such trends can save you significant money.
Customer Reviews Summary
Customers rave about the ACDelco Professional Brake Master Cylinder 18M1878 for its reliability and easy installation process. Many users have noted an immediate improvement in their vehicle’s braking efficiency after installation. Positive feedback consistently highlights:
- Exemplary build quality.
- Consistency in performance across different vehicle types.
- Clear installation instructions that simplify the setup process.
However, some customers reported minor issues with fitment. A few users experienced a small gap due to variations in older vehicle models. Overall, balanced reviews indicate that the benefits far outweigh the drawbacks, making this product a reliable choice for most vehicles.
Explore Unboxing and Reviews
If you’re considering the ACDelco 18M1878, numerous review and unboxing videos are available online. These videos provide insights into the product’s features, installation process, and firsthand user experiences. These resources can offer visual assistance and enhance your understanding before making a purchase.
Why Choose ACDelco?
Choosing ACDelco means opting for quality and dependability. The company has a long-standing reputation for providing innovative automotive parts that professionals trust. By selecting the Professional Brake Master Cylinder 18M1878, you ensure that your vehicle’s braking system operates efficiently, enhancing your overall driving experience.
Final Thoughts
When it comes to automotive safety, every part matters. The ACDelco Professional Brake Master Cylinder 18M1878 stands out as a top-tier choice for anyone looking to maintain or improve their vehicle’s braking system. With its robust construction, precise fitment, and excellent customer feedback, this product is an investment in safety and performance.
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ACDelco Professional Brake Master Cylinder 18M1878 Specification
Specification: ACDelco Professional Brake Master Cylinder 18M1878
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ACDelco Professional Brake Master Cylinder 18M1878 Reviews (13)
13 reviews for ACDelco Professional Brake Master Cylinder 18M1878
Only logged in customers who have purchased this product may leave a review.
Amazon Customer –
I used this on my 1976 Pontiac Astre, fit perfect.
Rénald Miner –
Cette pièce était nécessaire pour moi ,, car cette pièce sert a appliqué les freins d’un véhicule, les prix est excellent, la piece est complètement neuve et le service est impeccable
Raul P Flores –
Even though I have not installed the Master Cylinder due to the weather, I do not expect to run into any issues. The new master cylinder came right away and was in a sealed plastic bag to prevent any corrosion. I do plan to give it a light coat of paint in order to prevent any corrosion. This is a new master and not a rebuild. The price was excellent and free shipping at the time I order it. Cheaper than auto part stores and this was a new unit and theirs were rebuilds. Highly recommend it.
Arthur K –
What more to want? Nothing. A+ product.
Ralph Winterburn –
IT WAS A DECENT PRODUCT. DID THE JOB!
Kindle Customer –
This was a “used” item from Amazon warehouse … looked perfect worked perfectly … saved a couple of $$ …
MARS-2025 –
Just cannot exceed the OEM quality of ACDelco
FRANCISCO RUIZ –
La pieza llegó a tiempo y es el reemplazo correcto para camioneta GMC 1977 con Booster. El producto es AC Delco original pero fabricado en china. Lo devolví porque antes de que llegara encontré otro en una refaccionaría local a mejor precio y fabricado en México, así que devolví el de Amazon sin instarlo, usarlo o probarlo, así que no puedo opinar de su funcionamiento.
psam –
Good value
R. Duran –
Awesome product it fit perfectly. Easy installation
Amazon Customer –
This was an exact fit and works perfectly
Matthew G. –
Item arrived quickly. It was a direct replacement for 1977 Pontiac Firebird. Easy install and works perfectly. Instructions are included for bench bleeding.
Jorge –
Muy buen producto 👍🏼