Best Hot Shots Secret Engine Fluid Additives in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MaxxIndustries | 9.54 | ❌ | ❌ | ❌ |
The original transmission shudder fix
A concentrated friction modifier formulated specifically for instantly eliminating torque converter lock-up shudder
Provides four times less wear than regular ATF
For use in any automatic transmission fluid (not for use in Ford Type F or CVT applications)
Voted top product by transmission professionals
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Optimizes engine horsepower and performance - for use in all diesel and gasoline engines
Improves fuel economy by reducing friction in your engine - Protects and extends oil life by 30%
Reduces wear on metal components, thus increasing part life / Eliminates lifter and other objectionable noise on startup, especially in cold weather
Improves anti-friction and anti-wear properties of all major oil brands to meet requirements of all vehicles, including older and high performance models
Reduces hot engine oil temperatures / Ensures smoother running engines / Inhibits oxidation and extends engine oil life
Reduces oil and fuel consumption
For use in all diesel and gasoline engines (blends with all motor oil currently produced)
Optimizes engine horsepower and performance
Protects and extends oil life by 30 percent
Eliminates lifter and other objectionable noise on startup, especially in cold weather
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TruTrans | 9.72 | ❌ | ❌ | ❌ |
The Original Universal ATF Protectant that Eliminates ATF Confusion and the need to stock multiple ATF's - Dramatically reduces friction and wear on metal parts and internal components
Will not alter the crucial sulfur balance in your transmission fluid, Prevents overheating, Will not harm yellow metals, Inhibits fluid oxidation and foaming
Contains patented Synergol TMS Technology, a synthetic molecule that tightens the shift cycle without losing the friction modification at lockup, which eliminates shudder
Extends fluid change intervals, Protects and restores seals for optimum performance, Conditions and restores seals and o-rings
Does not contain any harmful components such as zinc (ZDDP)/ash, etc., like other competing products, Frees stuck valves and keeps them free, Ensures proper shifts
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
For use in all CVT transmissions
Corrects and prevents problems caused by worn-out, degraded fluid
Reduces noise
Protects belt/chain, pulleys and other components from excessive wear
Provides anti-shudder durability
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| G.P.S. | 9.95 | ✅ | ✅ | ✅ |
Safely cleans accumulated amounts of varnish, sludge and by-products of combustion
For use in all diesel and gasoline engines
Prepares engine for fresh oil
Protects and extends oil life by 30 percent
Optimizes engine horsepower and performance
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
The Original Universal ATF Protectant that Eliminates ATF Confusion and the need to stock multiple ATF's - Dramatically reduces friction and wear on metal parts and internal components
Will not alter the crucial sulfur balance in your transmission fluid, Prevents overheating, Will not harm yellow metals, Inhibits fluid oxidation and foaming
Contains patented Synergol TMS Technology, a synthetic molecule that tightens the shift cycle without losing the friction modification at lockup, which eliminates shudder
Extends fluid change intervals, Protects and restores seals for optimum performance, Conditions and restores seals and o-rings
Does not contain any harmful components such as zinc (ZDDP)/ash, etc., like other competing products, Frees stuck valves and keeps them free, Ensures proper shifts
Substitutes for any dealer-brand premium ATF
Contains all the same benefits as the Lubegard ATF protectant
Will not harm your transmission, will not void your warranty
Lubegard is the original ATF conversion product that has been trusted and used for almost 30 years
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Lubegard | 6 |
We've carried out a comprehensive analysis of 3,910 reviews on engine fluid additives, using our selection criteria to identify the best options in the oils & fluids. Our findings reveal that most customers typically select engine fluid additives priced around $87.79, with top brands including liqui moly, hot shots, hot shot's secret, xado, sta-bil, borpower, red line, quicksilver and pennzoil and tein
Our team of expert editors reviewed these high-quality items and handpicked the top 6 engine fluid additives for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the oils & fluids category. These include amazon.com, xado tech, llc, boostprojects, r/a hoerr incorporated, neobits_, fastmodz ✅, shop eddies 🏁✳️🚚 and whynotoutside and 4wheel online .
We are dedicated to assisting our users in finding the right additives Products based on their needs, saving them considerable time when choosing which engine fluid additives to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
