1978 Cadillac Eldorado Brake Master Cylinders
Keep Your 1978 Cadillac Eldorado in Top Shape with a Quality Brake Master Cylinder
When it comes to maintaining or upgrading your 1978 Cadillac Eldorado, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Brake Master Cylinder for your Eldorado. We currently carry a top Brake Master Cylinder in stock that is built to last. Whether you’re replacing a damaged Brake Master Cylinder or looking to upgrade, our selection for the 1978 Cadillac Eldorado ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.
Explore Related Parts
And while you’re here, don’t forget to check out related part categories like Brake Calipers and Brake Pads and Shoes to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1978 Cadillac Eldorado running smoothly and looking great.
Find Your Specific 1978 Cadillac Eldorado Brake Master Cylinders
Looking for the perfect Brake Master Cylinder for your 1978 Cadillac Eldorado? You’re in the right place. Below, you’ll find a Brake Master Cylinder from a trusted manufacturer that is a perfect fit for your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Brake Master Cylinders, ensuring durability and a precise fit for your Cadillac Eldorado. Whether you’re driving a 1978 model or another popular model year like
1994,
1995,
1996,
1997,
1998,
1999,
2000,
2001, and
2002, we’ve got you covered. Purchasing Brake Master Cylinders from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Brake Master Cylinders that fit your vehicle.
Essential 1978 Cadillac Eldorado Brake Master Cylinders
Dorman – Help – Brake Master Cylinder Gasket (Part No.42079)
from
$8.99
This brake master cylinder reservoir cap gasket is designed to match the fit and function of the original gasket on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
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Product Features:
- Direct replacement – this brake master cylinder reservoir cap gasket is designed to match the fit and function of the original gasket on specified vehicles
- Restores functionality – this gasket is made to fit and fully restore part functionality after the original gasket fails
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Master Cylinder Gaskets (Part No.42106)
from
$11.49
This brake master cylinder reservoir cap gasket is designed to match the fit and function of the original gasket on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
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Product Features:
- Direct replacement – this brake master cylinder reservoir cap gasket is designed to match the fit and function of the original gasket on specified vehicles
- Restores functionality – this gasket is made to fit and fully restore part functionality after the original gasket fails
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Master Cylinder Caps (Part No.42041)
from
$23.99
This brake master cylinder cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
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Product Features:
- Direct replacement – this brake master cylinder cap is designed to match the fit and function of the original cap on specified vehicles
- Restores functionality – reliable replacement for an original part that is missing or failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Master Cylinder Gaskets (Part No.42108)
from
$22.99
This brake master cylinder reservoir cap and gasket kit matches the original parts required to repair a damaged or leaking reservoir cap on specified vehicles. Made of quality components, this kit is engineered for reliability.
Product Features:
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Product Features:
- Direct replacement – this brake master cylinder reservoir cap kit matches the original parts to repair a damaged or leaking master cylinder reservoir cap on specified vehicles
- Ideal solution – this kit is a reliable replacement for original components that are leaking or have failed due to wear
- Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Master Cylinder Caps (Part No.42042)
from
$9.99
This brake master cylinder cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
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Product Features:
- Direct replacement – this brake master cylinder cap is designed to match the fit and function of the original cap on specified vehicles
- Restores functionality – reliable replacement for an original part that is missing or failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Brake Master Cylinder Gasket (Part No.42072)
from
$9.99
This brake master cylinder reservoir cap gasket is designed to match the fit and function of the original gasket on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this brake master cylinder reservoir cap gasket is designed to match the fit and function of the original gasket on specified vehicles
- Restores functionality – this gasket is made to fit and fully restore part functionality after the original gasket fails
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Brake Master Cylinder Cap (Part No.42040)
from
$16.99
This brake master cylinder cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this brake master cylinder cap is designed to match the fit and function of the original cap on specified vehicles
- Restores functionality – reliable replacement for an original part that is missing or failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Brake Master Cylinder Gasket (Part No.42071)
from
$11.99
This brake master cylinder reservoir cap gasket is designed to match the fit and function of the original gasket on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this brake master cylinder reservoir cap gasket is designed to match the fit and function of the original gasket on specified vehicles
- Restores functionality – this gasket is made to fit and fully restore part functionality after the original gasket fails
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Popular 1978 Cadillac Eldorado Brake Master Cylinders Categories
Most Popular Master Cylinder Caps and Gasket for 1978 Cadillac Eldorados
Enhance your 1978 Cadillac Eldorado with this popular Master Cylinder Caps and Gasket we have in stock, for $11.99.
Dorman – Help – Brake Master Cylinder Gasket (Part No.42071)
from
$11.99
This brake master cylinder reservoir cap gasket is designed to match the fit and function of the original gasket on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this brake master cylinder reservoir cap gasket is designed to match the fit and function of the original gasket on specified vehicles
- Restores functionality – this gasket is made to fit and fully restore part functionality after the original gasket fails
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
FAQs for 1978 Cadillac Eldorado Brake Master Cylinders
What’s the price range for 1978 Cadillac Eldorado Brake Master Cylinders?
We currently have just one Brake Master Cylinders for the 1978 Cadillac Eldorado in stock: Brake Master Cylinder Gasket and it costs $11.99.
Does Advance Auto Parts sell Brake Master Cylinders for other Cadillac Eldorado model years?
Does Advance Auto Parts sell Brake Master Cylinders for any other 1978 Cadillac models?
Yes. We stock Brake Master Cylinders for 2 other popular 1978 Cadillac models. Some of the most popular are 1978 DeVille Brake Master Cylinders, 1978 Seville Brake Master Cylinders, and 1978 Fleetwood Brake Master Cylinders.
What types of Brake Master Cylinders do you sell for my 1978 Cadillac Eldorado?
We currently have just 1 Brake Master Cylinder in stock for a 1978 Cadillac Eldorado, and as of 11/2/25, it is a Master Cylinder Caps and Gasket.
Can I get help with 1978 Cadillac Eldorado Brake Master Cylinder orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Brake Master Cylinders and more.
What is your return policy for Cadillac Eldorado Brake Master Cylinders?
Advance Auto Parts keeps returns simple. For new Cadillac Eldorado Brake Master Cylinders and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.