Track days, spirited driving, and hot brakes all put extra stress on your fluid, and factory DOT 3 simply wasn't designed to handle that kind of heat on newer high-performance Mustangs. Motorcraft DOT 4 LV is the exact fluid Ford engineers and recommends for the S550 platform, giving you a real margin of safety when your brakes are working hard.
Engineered for modern Mustangs. This fluid is designed, engineered, and recommended by Ford specifically for their newer high-performance vehicles, including the S550 Mustang. Because it's built to Ford's own specification rather than a generic aftermarket formula, it's matched to the seals, lines, and ABS components already in your car, which means correct performance and no compatibility guesswork.
Serious heat resistance. Motorcraft DOT 4 LV carries a dry boiling point of 509°F and a minimum wet boiling point of 338°F, a noticeable step up from standard DOT 3 fluid. Since brake fluid absorbs moisture over time and that moisture lowers the boiling point, that higher wet rating matters most when your brakes are hottest, like coming down off a mountain pass or braking hard into a corner at the track.
Low viscosity for a reason. The "LV" in this fluid's name stands for low viscosity, a formulation that flows more easily through the tight passages of your ABS and stability control hydraulic control unit. That matters because thicker fluid can be slower to respond during hard ABS or stability control intervention, so a low viscosity fluid helps those systems react the way they're designed to when you need them most.
Which fluid does your Mustang need? Ford's factory brake fluid spec has changed across Mustang generations, so use the table below to confirm what your car came with before you flush or top off your system.
| Mustang Generation | Years | Factory Brake Fluid Spec |
|---|---|---|
| Fox Body | 1979-1993 | DOT 3 |
| SN95 / New Edge | 1994-2004 | DOT 3 |
| S197 | 2005-2014 | DOT 3 (also services hydraulic clutch) |
| S197 Track/Performance (Boss 302, Shelby GT500) | 2011-2014 | DOT 4 recommended for track use |
| S550 | 2015-2023 | DOT 4 Low Viscosity (LV) |
| S650 | 2024-present | DOT 4 Low Viscosity (LV) |
Product Benefits
- Ford factory recommended for S550 Mustang
- 509°F dry boiling point
- 338°F minimum wet boiling point
- Low viscosity formula for ABS and stability control response
- OE compatible with factory seals and lines
- 16 oz bottle, 3-4 bottles recommended for a full flush
- Ideal for street, spirited driving, and track use
- Trusted Ford factory-fill brand
About Motorcraft: Motorcraft is Ford Motor Company's own parts brand, supplying the exact components and fluids used to build and service Ford and Lincoln vehicles at the factory. Because Motorcraft parts are developed alongside the vehicles themselves, they're engineered to fit and perform correctly the first time, without the compatibility questions that can come with aftermarket alternatives.
WARNING: California Residents: Cancer and Reproductive Harm;
www.p65warnings.ca.gov
Product Specifications & Vehicle Fitment
Review the product details and confirm compatibility with your vehicle before ordering.
| Specification | Details |
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