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🚗 Stop Safe, Stop Smart — Premium Braking Power in Every Drop!
Johnsen's 5034 Premium Synthetic DOT-4 Brake Fluid is a high-performance brake fluid designed for disc, drum, and ABS systems. It features a synthetic formula that protects against vapor lock and moisture absorption, exceeds DOT 3 and DOT 4 standards, and withstands temperatures up to 446°F. Packaged in a convenient 1-gallon bottle, it delivers reliable, fade-free braking with a firm pedal feel, making it the go-to choice for professional and enthusiast brake maintenance.
| ASIN | B001DKPBR8 |
| Best Sellers Rank | #17,067 in Automotive ( See Top 100 in Automotive ) #19 in Brake Fluids |
| Brand Name | Johnsen's |
| Container Type | Bottle |
| Customer Reviews | 4.7 4.7 out of 5 stars (456) |
| Global Trade Identification Number | 00039101050348 |
| Included Components | Premium DOT 4 Brake Fluid |
| Item Form | Liquid |
| Item Type Name | Premium Synthetic DOT 4 Brake Fluid |
| Item Weight | 8 Pounds |
| Liquid Volume | 128 Fluid Ounces |
| Manufacturer | Johnsen's |
| Material | Abs |
| Model Number | 5034 |
| Number of Items | 1 |
| Part Number | 5034 |
| Recommended Uses For Product | Brake oil |
| Specific Uses For Product | Automotive brake systems |
| UPC | 039101050348 |
| Unit Count | 3785 Milliliters |
| Upper Temperature Rating | 446 Degrees Fahrenheit |
| Viscosity | Stable viscosity over wide temperature range, compatible with DOT 3 and DOT 4 standards |
| Warranty Description | Check with manufacturer regarding warranty and support issues. |
L**Y
Good Product/Good Price
Time for brake flush on the RE INT650. It seems to be quality, I do not have a track bike so I do not push it to its limits. Good braking, no fade, firm brakes. I flush my brakes once a year and this fluid seems to be my new go to for replacing my brake fluid. Price is good for size of bottle compared to other brands. When testing my fluid it still seems to be good but I service my vehicles religiously.
M**L
Great Value for Shop Use
Johnsen’s DOT-4 brake fluid delivers exactly what I expect from a premium synthetic blend. I’ve used it across multiple brake jobs—cars, trucks, and even a motorcycle—and it holds up under heat and pressure without fade or sponginess. Pedal feel stays firm, and response is immediate. The 1-gallon size is perfect for shop use or full system flushes, and the fluid pours clean with no sludge or discoloration. It meets all DOT-4 specs and blends well with existing fluid when topping off. No leaks, no compatibility issues, and no surprises. If you’re looking for reliable brake fluid that performs under load and doesn’t break the bank, this is a solid choice. I’ll keep it stocked for future jobs.
B**N
What I needed at a fair price.
Good brake fluid.
C**T
Bulk brake fluid
Great value
P**D
Works well
Have used it many times with perfect results
D**Y
Seems like good stuff to me
I like that it comes in a 1 gal quantity because I had a full system to flush and bleed. Also, I have noticed some reviewers complain that they were cheated because the label says "DOT 3+4" and they think this means that the product is a mixture of DOT 3 and DOT 4. This is mistaken. The difference between DOT3 and DOT4 is the 4 has a slightly higher boiling point which will help resist heat fade. However, the DOT 4 often comes labeled as 3+4 because the two are cross compatible, meaning that if you have a brake system that takes DOT3, it's OK to put DOT4 into it, and it's OK to add DOT 4 to the system as a top off. Now when it comes to DOT 5, that is a silicone fluid that is not cross compatible and should never be added to a DOT 3 or DOT 4 system. So the DOT 3+4 product is actually the DOT4 spec, it is not a blend. If you want the full DOT4 boiling point then you must totally flush your system with all DOT 4, and if you add DOT4 to a quantity of DOT3 fluid you won't get the full boiling point but the compatibility is OK.
K**Y
Jug of brake fluid!
Great value, this is a huge jug! Came well packaged and not leaking! Time will tell on how durable it is and how long it will last but I assume that it will perform under operating temperatures as intended!
R**E
Works great for 4 and great pricing
Works great. Dot4 and great bulk pricing
Trustpilot
1 month ago
1 month ago