Best Brake Fluids of 2025

David Davis Avatar
David Davis
Last Updated: Jan 14, 2025

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Brake fluids are an essential component of any vehicle's braking system. They are responsible for transmitting the force from the brake pedal to the brake calipers, which then clamp down on the rotors to slow or stop the vehicle. Brake fluids come in different types, including DOT 3, DOT 4, and DOT 5.1, each with its own set of properties and compatibility with different brake systems. It is important to use the correct brake fluid for your vehicle to ensure optimal performance and safety. Regular maintenance and replacement of brake fluids are also crucial for the longevity of the braking system.

At a Glance: Our Top Picks

Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz. Cover #TOP 1
Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz.
ftb score rating icon 9.9
Bosch ESI6-32N Brake Fluid - 1 Quart Cover #TOP 2
Bosch ESI6-32N Brake Fluid - 1 Quart
ftb score rating icon 9.8
Castrol SRF Racing Brake Fluid Cover #TOP 3
Castrol SRF Racing Brake Fluid
ftb score rating icon 9.6

Top 10 Brake Fluids

#TOP 1

Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz.

PRESTONE - AS401Y - 32oz
No Color
32 oz, Pack of 1
Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz. Cover
Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz.

Prestone Synthetic Brake Fluid is a reliable brake fluid that provides an extra margin of safety in extreme braking conditions. Its mix of polyglycol ethers ensures that hot brake-system operation will not create dangerous vapor, making it an excellent choice for ABS, disc, and drum brake systems. This brake fluid delivers braking power when needed by avoiding a spongy pedal, giving you peace of mind while driving. Plus, both wet and dry boiling points exceed the minimum government standards, ensuring superior performance. With Prestone Synthetic Brake Fluid, you can trust that your brakes will work when you need them most.

What We Like
High performance
Extended fluid life
Corrosion protection
High boiling point
Compatible with DOT 3 systems
What We Don't Like
Paint damage risk
Cap may be loose
#TOP 2

Bosch ESI6-32N Brake Fluid - 1 Quart

ESI6-32N
Brake Fluid
ESI6-32N
Bosch ESI6-32N Brake Fluid - 1 Quart Cover
BOSCH ESI6-32N Brake Fluid (Direct Replacement for DOT 3, DOT 4, and DOT 5.1) - 1 Quart

Bosch ESI6-32N Brake Fluid is a high-quality brake fluid that works as a direct replacement for DOT 3, DOT 4, and DOT 5.1 brake fluids. It has an Extended Service Interval (ESI) that lasts 100% longer than DOT 3, 50% longer than DOT 4, and 10% longer than DOT 5.1, providing long-lasting performance. With a wet boiling point of 365 DegreeF and viscosity at -40 DegreeC of 685mm2/s, it exceeds all DOT 3, DOT 4, and DOT 5.1 standards. Additionally, it has a recommended change interval of 3 years, which is longer than the standard 2 years for most brake fluids.

What We Like
High wet boiling temperature
Affordable pricing
Compatible with multiple DOT ratings
Improved brake performance
Trusted brand reputation
What We Don't Like
Not OEM for perfectionists
#TOP 3

Castrol SRF Racing Brake Fluid

12512 / 15AFA4
Castrol SRF Racing Brake Fluid Cover
Castrol SRF Racing Brake Fluid - 1 Liter 12512

The Castrol SRF Racing Brake Fluid is an exclusive European formula with superior anti-vapor lock characteristics, providing excellent braking performance during racing and rallying. Its exceptionally high boiling point and typical wet boiling point of 270deg. C make it ideal for use in arduous conditions. It falls under the Brake Fluids category.

What We Like
Long service life
High boiling points
Reliable performance on track
Excellent in damp conditions
Good for aggressive braking
What We Don't Like
Expensive compared to others
#TOP 4

ACDelco GM Original Equipment 10-4110 DOT 3 Brake Fluid

10-4110
1 Pack
ACDelco GM Original Equipment 10-4110 DOT 3 Brake Fluid Cover
ACDelco GM Original Equipment 10-4110 DOT 3 Hydraulic Brake Fluid - 16 oz

ACDelco GM Original Equipment 10-4110 DOT 3 Brake Fluid is a premium hydraulic fluid that safeguards your vehicle's internal components from corrosion while ensuring safe and smooth braking. It has a high boiling point that minimizes brake fluid boiling and vapor lock, and low-temperature capability that provides stability in cold conditions.

What We Like
Well-packaged order
OEM quality recommended
Compatible with 2014 Chevy Volt
Single container sufficient
#TOP 5

Johnsen's 2234 Premium Brake Fluid

2234
1 Gallon
Johnsen's 2234 Premium Brake Fluid Cover
Johnsen's 2234 Premium DOT-3 Brake Fluid - 1 Gallon

Johnsen's Brake Fluid is a top-quality DOT 3 brake fluid that ensures your vehicle's braking system operates effectively. With a minimum boiling point of 450°F, it helps maintain performance even under high temperatures, providing you with peace of mind. This brake fluid meets and exceeds all necessary federal and SAE standards, ensuring reliability and safety. Additionally, it mixes easily with other DOT 3 approved fluids, allowing for seamless integration into your system. Whether you have disc, drum, or ABS brakes, this fluid is designed to cater to your needs, enhancing your driving experience.

What We Like
Affordable product
Effective for brake bleeding
Compatible with Chevy trucks
Reliable after 800 miles
#TOP 6

Lucas Oil 10826 Brake Fluid

10826
Others
1 Quart
Lucas Oil 10826 Brake Fluid Cover
Lucas Oil 10826 Brake Fluid - 1 Quart (12)

The Lucas Oil 10826 Brake Fluid is a high-quality blend of polyethylene glycol ethers and additives that provides excellent lubricity. It is compatible with all brake system rubber components and other brake fluids, and prevents seal hardening or softening. This brake fluid also protects against rust and corrosion.

What We Like
Great price for quantity
Effective brake fluid performance
Fast delivery
Quality packaging
Reliable brand
What We Don't Like
Delivery issues reported
#TOP 7

Johnsen's Premium Synthetic DOT-4 Brake Fluid - 1 Gallon

5034
1 Gallon
Johnsen's Premium Synthetic DOT-4 Brake Fluid - 1 Gallon Cover
Johnsen's 5034 Premium Synthetic DOT-4 Brake Fluid - 1 Gallon

Johnsen's Premium Synthetic DOT-4 Brake Fluid is a synthetic quality brake fluid that contains special ingredients to guard against vapor lock and moisture absorption. It exceeds requirements for both DOT 3 and DOT 4 brake fluids and is specially formulated for DOT 4 brake fluid applications. This brake fluid is designed for use in disc, drum and ABS brake systems.

What We Like
Quality product
Large capacity
Affordable synthetic option
Improves braking performance
Cross-compatible with DOT 3
What We Don't Like
Label confusion possible
Not a blend of DOT 3 and 4
#TOP 8

Liqui Moly Brake Fluid DOT 4

22078
brown
Liqui Moly Brake Fluid DOT 4 Cover
Liqui Moly BRAKE FLUID DOT 4 1LTR

Liqui Moly Brake Fluid is a high-quality product imported from Germany, designed to ensure the safety and efficiency of your vehicle's braking system. This premium brake fluid is formulated to withstand high temperatures, which helps maintain optimal braking performance even under demanding conditions. By using this fluid, you can enhance your vehicle's braking responsiveness, giving you confidence on the road. Additionally, its superior formulation helps prevent moisture absorption, which is crucial for preserving the integrity of your braking system over time. With Liqui Moly Brake Fluid, you can drive with peace of mind, knowing you're using a trusted product for your vehicle's needs.

What We Like
Great performance
Good value for DOT 4
Compatible with DOT 3 vehicles
Reliable for motorcycle applications
Works effectively for bleeding brakes
What We Don't Like
Standard brake fluid
#TOP 9

ATE TYP 200 Racing Quality Brake Fluid

ATE
706202
Blue
ATE TYP 200 Racing Quality Brake Fluid Cover
ATE Original TYP 200 Racing Quality DOT 4 Brake Fluid, 1 Liter Can

ATE TYP 200 Racing Quality Brake Fluid is a high-quality brake fluid that boasts many features. It has excellent water locking properties that result in a minimal decrease in boiling point, making it ideal for racing. It doesn't foam when filling or bleeding the brake system, ensuring maximum safety. The brake fluid has excellent corrosion protection due to its selected additives, and it has a high safety tolerance against steam bubbles. Additionally, it allows for brake fluid changing intervals of up to 3 years.

What We Like
High boiling point
Good quality and price
Protects internal seals
Suitable for modern ABS systems
OEM fluid for MB and BMW
What We Don't Like
Can arrives slightly damaged
#TOP 10

STP Heavy Duty Brake Fluid

STP
18669
12 Ounce
STP Heavy Duty Brake Fluid Cover
STP Heavy Duty Brake Fluid, Dot 3 Brake Fluid Protects Brake Systems, ABS, Disc and Drum Systems, 12 Oz, STP

STP Heavy Duty Brake Fluid, also known as STP Brake Fluid, is a high-quality brake fluid that provides essential protection for your brake system. This brake fluid helps prevent brake failure caused by vapor lock, ensuring that your brakes perform consistently and reliably. It also helps to prevent corrosion in the brake system, extending the lifespan of your brake components. STP Brake Fluid is compatible with all brake systems that require DOT 3 fluids, making it a versatile choice for various vehicles. With its compliance with federal motor vehicle safety standards and SAE specifications, you can trust that STP Brake Fluid meets the highest quality standards. Keep your brakes in top condition with STP Brake Fluid.

What We Like
Clear brake fluid
Good price
Standard quality
Right size
Effective performance
What We Don't Like
Cap may not screw tightly
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What happens if brake fluid is low?

If the brake fluid is low, it can lead to a soft, bouncy, or spongy brake pedal. Low brake fluid allows air to fill the gaps in the brake line, resulting in reduced brake performance. It is important to address this issue promptly by getting a brake fluid change to ensure safe and effective braking.

2. How do I know I need brake fluid?

Several signs indicate that you may need brake fluid: an unresponsive brake pedal, vibrating brake pads, noisy brakes, ABS warning light, discolored brake fluid, and the vehicle pulling to one side. If you experience any of these symptoms, it is advisable to check and possibly replenish your brake fluid.

3. Can I just add brake fluid?

If the brake fluid level is at or above the 'MIN' line, there is no need to add more. However, if it is below the 'MIN' line, you can carefully pry off the reservoir cap and add brake fluid until the level is just under the 'MAX' line. Avoid overfilling the reservoir.

4. Can I drive my car with low brake fluid?

While it is recommended to replenish the brake fluid level, you can drive your car with low brake fluid as long as there is enough fluid to apply sufficient pressure on the brakes. However, it is crucial to address the low brake fluid issue promptly to maintain optimal braking performance and safety.

5. What happens if I never change my brake fluid?

Not changing the brake fluid can lead to several consequences. Over time, the fluid can become heated and even boil, resulting in reduced brake efficiency. Additionally, the build-up of water in the system can cause internal corrosion, damaging components like the master cylinder, calipers, and brake lines.

6. Can I change brake fluid myself?

While a complete brake fluid flush is best left to professionals, you can perform a fluid swap yourself. This involves introducing fresh fluid by replacing a portion of the old fluid. Although it may not replace all the old fluid, it can still make a difference in maintaining brake system performance.

Editor's Notes

During our brake fluid research, we found 24 brake fluid products and shortlisted 10 quality products. We collected and analyzed 58,281 customer reviews through our big data system to write the brake fluids list. We found that most customers choose brake fluids with an average price of $15.67.

The brake fluids are available for purchase. We have researched hundreds of brands and picked the top brands of brake fluids, including Prestone, Bosch, Castrol, ACDelco, Johnsen's. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
David Davis Avatar

David Davis has rich experience as a mechanic and a general repairman in the automotive industry. It has given him plenty of knowledge in automobile repair, auto parts, and all kinds of tools. In his spare time, he enjoys assembling and disassembling parts for cars.

Brake Fluids Comparison Table

#TOP1
#TOP2
#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand Prestone Bosch Castrol ACDelco Johnsen's Lucas Oil Johnsen's Liqui Moly ATE STP
Liquid Volume 32 Fluid Ounces 32 Fluid Ounces 1000 16 Fluid Ounces 128 Fluid Ounces - 128 Fluid Ounces - 32 Fluid Ounces 304 Milliliters
Item Weight 2 Pounds 32 Ounces 0.92 Kilograms 16 Ounces 9.05 Pounds - 8 Pounds - 274.43 Grams 12.5 Ounces
Package Information Bottle Bottle Bottle - Jug - Bottle - Can Bottle
Material Abs - Silicon - Abs - Abs - - Abs
FTB Score
ftb score rating icon 9.9
ftb score rating icon 9.8
ftb score rating icon 9.6
ftb score rating icon 9.4
ftb score rating icon 9.4
ftb score rating icon 9.4
ftb score rating icon 9.2
ftb score rating icon 9.2
ftb score rating icon 9.1
ftb score rating icon 9.1
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