

🛑 Stop at nothing—brake fluid that outperforms the heat!
Prestone AS401 DOT 3 Synthetic Brake Fluid offers superior heat tolerance with dry and wet boiling points well above federal standards, ensuring reliable braking performance under extreme conditions. Its advanced polyglycol ether blend prevents vapor lock, maintaining a firm pedal feel across ABS, disc, and drum systems. Trusted by professionals and rated highly by users, this 32 oz bottle delivers clean, consistent fluid for safe, efficient brake system maintenance.
| ASIN | B004AHDCB8 |
| Best Sellers Rank | #586 in Automotive ( See Top 100 in Automotive ) #2 in Brake Fluids |
| Brand | Prestone |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,750) |
| Date First Available | November 2, 2010 |
| Flash Point | 93 Degrees Celsius |
| Global Trade Identification Number | 00797496876461 |
| Is Discontinued By Manufacturer | No |
| Item Form | Liquid |
| Item Weight | 2 pounds |
| Item model number | PRESTONE - AS401Y - 32oz |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | Prestone |
| Manufacturer Part Number | AS401 |
| Material | Abs |
| Model | AS401 |
| Number of Items | 1 |
| Package Information | Bottle |
| Product Dimensions | 15 x 11 x 10 inches |
| Recommended Uses For Product | Automotive |
| Specific Uses For Product | Standard vehicle braking systems, extreme conditions, protecting vital brake system metals |
| UPC | 797496876461 |
| Unit Count | 32.0 Ounce |
| Upper Temperature Rating | 238 Degrees Celsius |
L**L
Clean, consistent DOT 3 brake fluid from a trusted brand
This brake fluid is exactly what you expect from Prestone. Fresh, clear fluid with no contamination and consistent viscosity. Poured cleanly with no residue or debris in the bottle. Meets DOT 3 specs without issues and works as intended for flushes or top-offs. Pedal feel remains firm after bleeding, with no signs of aeration or performance drop under normal driving conditions. Packaging is solid and easy to handle, and the 32 oz size is practical without being excessive. This is basic maintenance fluid done right—no surprises, no compromises.
B**R
playertime
Great product, great price, worked perfectly! AAA
I**I
Great price for excellent name and Synthetic
Excellent, change every 1-2 yrs
D**E
Great value, I use them in all my cars
These are great. I use them in all of my cars—Lexus, Scion, and Acura—and they work perfectly. They’re also cheaper than buying the same items at O’Reilly’s by 3 bucks, which makes them an even better value. Highly recommended.
D**S
Good quality
This is good stuff. I’ve always used Prestone and never had any issues
T**.
Will purchase again when needed
My son used this product to service my car . He is familiar with this product States it was a good price .
H**R
Worked as expected
This brake fluid I always use to top off my car before a long trip. The cap always was easy to open and made it simple to add just the right amount. I used a small quantity to bring the level up to spec without any fuss. It mixed fine with the existing fluid and nothing separated or clouded. There was no foaming during bleeding and no strange smells. Braking felt normal on my first drive after the service. I didn’t get any ABS warnings or odd pedal feedback. The fluid worked as expected.
J**O
Required to stop ya kar
So glad this stuff stops me. It's brake fluid. Great product
M**O
Very Good
S**X
premium brake fluid!
T**N
Great synthetic fluid to flush your whole brake system.
C**L
De l'huile... c'est de l'huile ! Bouteille protégée contre les fuites
D**K
I think very good….time will tell, but I think no issues will come
Trustpilot
1 month ago
3 days ago