SKU: 37245100330

DOT5.1 Brake Fluid

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Description

DOT5.1 Brake FluidBrake Fluid DOT 5. 1 Glycol Based Performance Fluid TTSPORT DOT 5. 1 Brake Fluid TTSPORT DOT 5. 1 Brake Fluid is a synthetic borate ester glycol fluid built for high temperature stability and consistent pedal feel in demanding street and performance driving. Engineered to resist vapor lock during repeated hard stops, mountain runs, and track sessions, it helps your hydraulic system stay firm when heat builds up. Why DOT 5. 1 High dry and wet boiling

Brake Fluid · DOT 5.1 · Glycol-Based Performance Fluid

TTSPORT DOT 5.1 Brake Fluid

TTSPORT DOT 5.1 Brake Fluid is a synthetic borate-ester glycol fluid built for high-temperature stability and consistent pedal feel in demanding street and performance driving. Engineered to resist vapor lock during repeated hard stops, mountain runs, and track sessions, it helps your hydraulic system stay firm when heat builds up.

Why DOT 5.1

  • High dry and wet boiling-point performance for repeated hard braking
  • Synthetic borate-ester base resists vapor formation under heat load
  • Low-temperature viscosity suitable for modern ABS, traction, and stability control units
  • Backward compatible with DOT 3 and DOT 4 glycol fluids
  • Supports firm, predictable pedal response under sustained load

Where It Fits Best

Performance Street

Spirited backroad driving, canyon runs, and tuned vehicles that see higher than average brake temperatures.

Towing & Mountain Use

Long downhill descents and loaded towing where sustained pedal pressure heat-soaks the calipers.

HPDE & Track Days

Entry-level track use and autocross where a higher boiling point reduces fade and vapor lock risk.

BBK Upgrades

A clean fluid flush is recommended any time you upgrade calipers, lines, or master cylinders.

DOT 5.1 vs DOT 5 — Important

DOT 5.1 is not the same as DOT 5. DOT 5.1 is a glycol-ether / borate-ester based fluid that mixes with DOT 3 and DOT 4. DOT 5 is a silicone-based fluid and must never be mixed with DOT 3, DOT 4, or DOT 5.1. Always confirm the fluid type specified in your vehicle's owner manual before adding or flushing fluid.

Service Notes

  • Brake fluid is hygroscopic — keep the container tightly sealed and use within a reasonable time after opening.
  • Follow the brake fluid service interval listed by your vehicle manufacturer. As a practical baseline, many street vehicles use a 2-year / 24,000-mile fluid service interval, while track users should flush more frequently.
  • Glycol-based brake fluid can damage paint. Wipe spills immediately and rinse with water.
  • Bleed in the manufacturer's recommended sequence and verify firm pedal before driving.

Specifications

Brake Fluid
Fluid Type DOT 5.1
Base Chemistry Glycol-ether / synthetic borate ester
ABS / ESC Compatible Yes
Mixes With DOT 3, DOT 4, DOT 5.1 glycol-based brake fluids
Do Not Mix With DOT 5 silicone-based brake fluid
Recommended Use Performance street, towing, HPDE, and track days
Service Interval Follow vehicle manufacturer guidance; flush sooner for track use

Always follow the brake fluid specification listed in your vehicle's owner manual.

This product page describes brake fluid only. Calipers, rotors, pads, brake lines, hoses, brackets, rotor hats, bleed tools, and installation hardware are not included unless separately specified on the final order.

Frequently Asked Questions

What is the difference between DOT 5.1 and DOT 5 brake fluid?

DOT 5.1 is a glycol-ether / borate-ester based fluid that is compatible with most modern ABS systems and can be mixed with DOT 3 and DOT 4. DOT 5 is silicone-based, is not hygroscopic, and must never be mixed with DOT 3, DOT 4, or DOT 5.1. Always confirm the fluid specification listed in your vehicle's owner manual before topping off or flushing.

Is TTSPORT DOT 5.1 compatible with ABS and ESC systems?

Yes. DOT 5.1 is formulated with low-temperature viscosity characteristics suitable for ABS, traction control, and stability control hydraulic units. It supports fast valve response in modern electronically controlled brake systems.

Can I mix DOT 5.1 with my existing DOT 3 or DOT 4 fluid?

DOT 5.1 is chemically compatible with DOT 3 and DOT 4 glycol-based fluids and can be mixed in an emergency. For best performance, however, we recommend a complete flush so the system runs on a single fluid with known boiling-point and moisture levels.

How often should brake fluid be replaced?

Follow the brake fluid service interval listed by your vehicle manufacturer. As a practical baseline, many street vehicles use a 2-year / 24,000-mile fluid service interval, while track users should flush more frequently. Brake fluid is hygroscopic and absorbs moisture over time, which lowers the wet boiling point and reduces resistance to vapor lock under heat.

Is this fluid suitable for track days?

DOT 5.1 offers high dry and wet boiling-point performance for spirited street, canyon, and entry-level track use. For sustained wheel-to-wheel racing or heavy track abuse, consider a dedicated race fluid and flush after each event.

Will DOT 5.1 damage paint or finishes?

Like all glycol-based brake fluids, DOT 5.1 can damage paint and finishes on contact. Wipe spills immediately and rinse with water. Keep the container sealed to prevent moisture absorption.

Need help matching brake fluid to your build?

Need help matching the right fluid to your build or planning a full brake-system refresh?

Shipping Notes
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SKU: 37245100330

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Imani S
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★★★★★ 5
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Scent: Incredible 10/10. The entire shower smells like a spa afterwards. Woody notes, vanilla scent is deliciously heavy and warm, and even one pump delivers a punch of fresh vanilla scent to your entire body. I’m a woman who is in love with heavy earthy scents and this is it! P.S it also matches well with scents like vanilla, cocoa butter, chocolate, or even delicious “smore” scents! I pair it with vanilla and cocoa butter scented deodorant, vanilla perfume, or vanilla body lotion and it works amazing! Longevity: Lasts the entire day if I’m staying home just relaxing, not working out or sweating very much. I could shower in the early morning and by the time my head hits the pillow I still smell it faintly! If I’m out and about it still lasts hours I’d estimate around 6-8 hours before the scent fades! If I shower at 6am, come home at 5pm-6pm after work I still smell fresh! (I always shower 2x a day but you don’t even need to with this! Value for Money/Size: Oh absolutely! I think I bought this soap two weeks ago? Used it nearly every day, and you can’t even tell! One pump is enough, two pumps MAX per shower per day. I decided to lavish myself by buying this soap, because it’s a bit more pricey. But it’s actually saving me more money, at this rate I’ll be buying another one of these every 3 months! So that’s…4 times a year? 5 max? That’s incredible. I’ll probably stick with Cremo for life honestly. And I’m a woman!💕🎀
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Reviewed in the United States on March 7, 2026
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Reviewed in the United States on May 26, 2026
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Carnegie, US
★★★★★ 5
Pastorally edifying & personally encouraging
Format: Kindle
As a pastor and a biblical counselor, I’ve read Powlison many times. I know people who knew him personally. He is a man of nearly mythic proportions in the 2026 landscapes of biblical counseling. And so, based the current landscape of the BC movement at the dawn of 2026, I thought it was to revisit Powlison myself. This is an excellent little read. Recommended for ALL pastors and counselors.
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Reviewed in the United States on January 25, 2026
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Panda Incognito
Charlottesville, US
★★★★★ 4
Insightful, Bibical, and Helpful, but with One Major Oversimplification
Format: Paperback
This brief book posthumously publishes new reflections from David Powlison about pastoral counseling. The book opens with a foreword from Ed Welch, who writes about his personal connection with the author and the ways that this book has sharpened his thinking, and the main text includes an introduction, two chapters, and an appendix with suggested reading from both Christian and secular sources. Although "The Pastor as Counselor: The Call for Soul Care" is only eighty pages long, it is full of articulate, biblical, and concise reflections about what counseling is and why pastoral counseling is so uniquely powerful. Insightful and Wise Although I read this book from a layperson's perspective, I found it insightful and helpful. Powlison explains that pastors are always counselors, regardless whether or not they meet one-on-one with people, and show by example what kind of soul care they think is necessary for flourishing. He encourages pastors to take stock of how they present themselves and what common failings they need to avoid, such as offering platitudes or not listening well. He also delineates the clear differences between pastoral counseling and secular "therapeutic professionalism." He explains that because pastoral counseling is gospel-based and flows out of a personal relationship that is free from clinical detachment or professional reserve, it can be particularly powerful to help change people's lives. One Concern I absolutely agree with this, but unfortunately, Powlison creates a false dichotomy between biblical counseling and professional therapy, making it sound like all resources outside of the church will be unhelpful and spiritually destructive. The church has unique resources to meet sufferers' needs, and we shouldn't abandon Christians to the spiritually twisted and harmful ideas common within secular counseling, but Powlison creates a false dilemma between abandoning people to godless counseling versus taking on all of their care within the church directly. He does not address how Christian mental health professionals can support the church's work in complicated cases, and does not indicate what a pastor should do if someone's mental health situation or life struggles are beyond the church's understanding or ability to deal with. Because I am not very familiar with Powlisons's work, I do not know what all of his views are related to integrative approaches to counseling, and it is possible that he has addressed this issue in-depth elsewhere. I certainly did not expect him to cover it in much detail in this very short book, but the oversimplification that he presents calls for discernment and additional reading. I hope that Powlison's writing here will not make pastors resistant to partnering with professionals outside of the church body, as long as those therapists bring a Christian worldview and gospel implications into each aspect of their work. Conclusion Despite my concerns about this oversimplified element, I would strongly recommend that pastors read this book as a way to evaluate themselves, better understand their unique role in people's lives, and consider how they can better care for others in their context. Powlison addresses many issues very well in this book, and it is a wonderful resource for pastors who need succinct, encouraging insight into how they can better understand the counseling aspect of their pastoral role and engage in meaningful conversations, caring relationships, and one-on-one care.
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Reviewed in the United States on June 30, 2021

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