1981 Mercury Cougar Brake Master Cylinders
Keep Your 1981 Mercury Cougar in Top Shape with Quality Brake Master Cylinders
Whether you’re repairing or upgrading your Brake Master Cylinder, using high-quality parts is key to keeping your 1981 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Brake Master Cylinders. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1981 Mercury Cougar Brake Master Cylinder at Advance Auto Parts is around $43.49, with a range that starts at $40.99 and goes up to $45.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like New Brake Master Cylinder: with Reservoir, Exact Fit, 21 mm Bore and New Brake Master Cylinder: with Reservoir, Exact Fit, 0.875" Bore start at just $40.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Brake Master Cylinder, don’t forget to check out other key components like Brake Pads and Shoes and Brake Rotors and Drums. At Advance Auto Parts, we’re here to help you keep your 1981 Mercury Cougar in peak condition, inside and out.
Find Your Specific 1981 Mercury Cougar Brake Master Cylinders
Looking for the perfect Brake Master Cylinder for your 1981 Mercury Cougar? You’re in the right place. Below, you’ll find links to various types of Brake Master Cylinders that fit 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 Mercury Cougar. Whether you’re driving a 1981 model or another popular model year like
1993,
1994,
1995,
1996,
1997,
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 1981 Mercury Cougar Brake Master Cylinders
Carquest Wearever – Brake Master Cylinder MCA39637: New, With Reservoir (Part No.MCA39637)
from
$81.99
Assemblies match what was originally installed on the car from OE for quality, fit, function and material.
Product Features:
See More
Product Features:
- Rubber components independently tested and certified by approved labs globally to meet extreme (hi and low) temperatures.
- Master cylinders use correct EPDM rubber for DOT3, 4 and 5 brake fluids
- All aluminum castings are “hard anodized”
- All iron castings are coated to prevent rust
- Manufacturers all major components in house.
- Most brake masters ship with OE size/shape reservoirs, floats, switches, sensors and valves to match original OE assembly.
- All machining done by computer programed CNC machines.
- Castings go through 2 inspection processes (via micrometer and via go-no go fixture check) before being sent to the assembly department insuring all machining is correct and matches the OE.
- Before assembly all castings and components are cleaned by automated ultrasonic cleaning machines
- Assembly is done in clean room insuring no contamination is introduced into final assembly.
- All assemblies are dated coded for 100% accurate trace-ability.
- Every assembly is pressure tested before being shipped insuring dependable operation and leak-free performance
Carquest Wearever – New Brake Master Cylinder (Part No.MCA80903)
from
$60.99
Assemblies match what was originally installed on the car from OE for quality, fit, function and material.
Product Features:
See More
Product Features:
- Rubber components independently tested and certified by approved labs globally to meet extreme (hi and low) temperatures.
- Master cylinders use correct EPDM rubber for DOT3, 4 and 5 brake fluids
- All aluminum castings are “hard anodized”
- All iron castings are coated to prevent rust
- Manufacturers all major components in house.
- Most brake masters ship with OE size/shape reservoirs, floats, switches, sensors and valves to match original OE assembly.
- All machining done by computer programed CNC machines.
- Castings go through 2 inspection processes (via micrometer and via go-no go fixture check) before being sent to the assembly department insuring all machining is correct and matches the OE.
- Before assembly all castings and components are cleaned by automated ultrasonic cleaning machines
- Assembly is done in clean room insuring no contamination is introduced into final assembly.
- All assemblies are dated coded for 100% accurate trace-ability.
- Every assembly is pressure tested before being shipped insuring dependable operation and leak-free performance
Carquest Wearever – New Brake Master Cylinder: with Reservoir, Exact Fit, 1" Bore (Part No.MCA71248)
from
$63.99
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
Carquest Wearever – New Brake Master Cylinder: with Reservoir, Exact Fit, 21 mm Bore (Part No.MCA105808)
from
$40.99
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
Carquest Wearever – New Brake Master Cylinder: without Reservoir, Exact Fit, 1.063" Bore (Part No.MCA390126)
from
$81.99
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
Carquest Wearever – New Brake Master Cylinder: without Reservoir, Exact Fit, 25 mm Bore (Part No.MCA630225)
from
$93.99
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
Carquest Wearever – New Brake Master Cylinder: with Reservoir, Exact Fit, 0.938" Bore (Part No.MCA36445)
from
$68.99
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
Carquest Wearever – Brake Master Cylinder MCA39958: New, With Reservoir (Part No.MCA39958)
from
$84.99
Assemblies match what was originally installed on the car from OE for quality, fit, function and material.
Product Features:
See More
Product Features:
- Rubber components independently tested and certified by approved labs globally to meet extreme (hi and low) temperatures.
- Master cylinders use correct EPDM rubber for DOT3, 4 and 5 brake fluids
- All aluminum castings are “hard anodized”
- All iron castings are coated to prevent rust
- Manufacturers all major components in house.
- Most brake masters ship with OE size/shape reservoirs, floats, switches, sensors and valves to match original OE assembly.
- All machining done by computer programed CNC machines.
- Castings go through 2 inspection processes (via micrometer and via go-no go fixture check) before being sent to the assembly department insuring all machining is correct and matches the OE.
- Before assembly all castings and components are cleaned by automated ultrasonic cleaning machines
- Assembly is done in clean room insuring no contamination is introduced into final assembly.
- All assemblies are dated coded for 100% accurate trace-ability.
- Every assembly is pressure tested before being shipped insuring dependable operation and leak-free performance
Carquest Wearever – New Brake Master Cylinder: with Reservoir, Exact Fit, 21 mm Bore (Part No.MCA39531)
from
$49.49
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
Carquest Wearever – New Brake Master Cylinder: without Reservoir, Exact Fit, 1" Bore (Part No.MCA390463)
from
$89.99
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
Carquest Wearever – New Brake Master Cylinder: with Reservoir, Exact Fit, 0.938" Bore (Part No.MCA39773)
from
$62.99
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
Carquest Wearever – New Brake Master Cylinder: with Reservoir, Exact Fit, 0.875" Bore (Part No.MCA99084)
from
$45.99
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
Popular 1981 Mercury Cougar Brake Master Cylinders Categories
Most Popular Brake Master Cylinders for 1981 Mercury Cougars
Enhance your 1981 Mercury Cougar with one of the 2 Brake Master Cylinders we have in stock, starting at just $40.99.
Carquest Wearever – New Brake Master Cylinder: with Reservoir, Exact Fit, 21 mm Bore (Part No.MCA105808)
from
$40.99
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
Carquest Wearever – New Brake Master Cylinder: with Reservoir, Exact Fit, 0.875" Bore (Part No.MCA99084)
from
$45.99
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Product Features:
See More
Product Features:
- Precise replacement – cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design – all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new – made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications – made to meet rigorous SAE International standards
FAQs for 1981 Mercury Cougar Brake Master Cylinders
What are the best-selling Brake Master Cylinders for 1981 Mercury Cougars?
Out of 2 Brake Master Cylinders that fit 1981 Mercury Cougars, the following parts are the top sellers:
- New Brake Master Cylinder: with Reservoir, Exact Fit, 21 mm Bore (11116003) – $40.99
- New Brake Master Cylinder: with Reservoir, Exact Fit, 0.875" Bore (15350081) – $45.99
What’s the price range for 1981 Mercury Cougar Brake Master Cylinders?
The prices of Brake Master Cylinders for the 1981 Mercury Cougar range from $40.99 up to $45.99 for the most premium parts.
What is the average price of a Brake Master Cylinder for a 1981 Mercury Cougar?
The average price for Brake Master Cylinders for the 1981 Mercury Cougar is $43.49. Keep in mind the variety of part types within our Brake Master Cylinder category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Brake Master Cylinders for other Mercury Cougar model years?
What are the cheapest Brake Master Cylinders for my 1981 Mercury Cougar?
The cheapest 1981 Mercury Cougar Brake Master Cylinders we carry are:
- New Brake Master Cylinder: with Reservoir, Exact Fit, 21 mm Bore (11116003) – $40.99
- New Brake Master Cylinder: with Reservoir, Exact Fit, 0.875" Bore (15350081) – $45.99
Does Advance Auto Parts sell Brake Master Cylinders for any other 1981 Mercury models?
Yes. We stock Brake Master Cylinders for 3 other popular 1981 Mercury models. Some of the most popular are 1981 Grand Marquis Brake Master Cylinders, 1981 Capri Brake Master Cylinders, 1981 Zephyr Brake Master Cylinders, and 1981 Marquis Brake Master Cylinders.
What types of Brake Master Cylinders do you sell for my 1981 Mercury Cougar?
We currently have just 1 Brake Master Cylinder in stock for a 1981 Mercury Cougar, and as of 11/2/25, it is a Brake Master Cylinder.
Can I get help with 1981 Mercury Cougar 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 Mercury Brake Master Cylinders and more.
What is your return policy for Mercury Cougar Brake Master Cylinders?
Advance Auto Parts keeps returns simple. For new Mercury Cougar Brake Master Cylinders and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.