There are several choices of Transmission Fluid Additives to choose from, including Hot Shot’s Secret, Lubegard, Bar’s Leaks, XADO, zMAX, Hot Shot’s Secret Transmission Fluid Additive, and more, how can you know which is the best? No worries, we’ve you covered. We put together the best 19 Very best Transmission Fluid Additives for you.
We have researched and analyzed various Transmission Fluid Additives ranging in costs from $9 to $32 . Our most encouraged product is Hot Shot’s Secret – HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle. Read on for a list of our top picks, as well as a buying guide on how to select.
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Table of Contents
19 Best Transmission Fluid Additives in 2023
No matter what your budget or what your needs are, your search for Transmission Fluid Additives will end here, as I compiled this list after consulting and interviewing industry experts.
Also note that, at automotiveToolsList.com, we do not accept paid sponsorships, which is why the options in the list here are totally impartial and based on honest opinions.If you click on a link, we may we may earn a commission if you buy something.
#Top 1 Hot Shot’s Secret – HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
- Our Shift Restore Formula Acts As a High-Quality Transmission Lubricant That Serves As a Hydraulic Fluid, Lubricating Fluid and Heat Transfer Fluid; Reduce the Coefficient of Friction and Prevent the Critical Engine Parts From Overheating
- Hot Shot’s Secret Shift Restore Is Engineered to Safely Dissolve the Harmful Gum and Varnish That Forms Over Time on the Surface of Precision Transmission Component
- Shift Restore’s Formula Is Designed to Instantly Attach Itself to All of Your Transmission’s Metal Parts, Preventing Deposits From Varnish and Metal-to-Metal Contact
- Reduces Transmission Wear, Erratic and Inconsistent Shifting, Hesitation and Rough Operation, and Excessive Noise and Vibration
- Reduces Transmission Operating Temperatures with High Performance Ester Formula
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#Top 2 Lubegard 19610 Dr. Tranny Instant Shudder Fixx 2 Ounce 2 Pack
- The Original Transmission Shudder Fix
- For Use in Any Automatic Transmission Fluid (not for Use in Ford Type F Or CVT Applications)
- Provides Four Times Less Wear Than Regular ATF
- Voted Top Product by Transmission Professionals
- A Concentrated Friction Modifier Formulated Specifically for Instantly Eliminating Torque Converter Lock-Up Shudder
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#Top 3 Bar’s Leaks 1416 Super Transmission Fix
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#Top 4 XADO Revitalizant EX120 Conditioner for Automatic Gearbox CVT Tiptronic Transmission Oil Treatment Additive Protectant Fluid
- Increases Performance Reliability And Prolongs Service Life Of Control Gears
- Stops Transmission Shudder, Reduces Noise and Vibration. Ultimate Stop Slipping Additive
- Rebuilds And Restores Metal Parts And Protects Them From Future Wear.
- Anti Friction Modifier. Eliminates Surfaces Defects and Protects From Extreme Heat
- Universal for Automatic, CVT, Tiptronic, Manumatic, Semi-Automatic Transmission
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#Top 5 zMAX 51-306 – Transmission Formula
- TRUSTED QUALITY AND PERFORMANCE: ZMAX Is Proud to Be the Official Micro-Lubricant of Speedway Motorsports. Trusted for Over 80 Years, the USA Made Transmission Formula Saves Money At the Pump and Extends the Engine Life of All Your Vehicles.
- TRANSMISSION LUBRICANT: Cleans Varnish for Smoother Shifting and Lubricates Bearings, Gears, and the Hydraulic System. Perfect for Both Automatic Or Manual Transmissions. Not for Use in CVT Transmissions. Does Not Void Manufacturer’s Warranties.
- TRANSMISSION EFFICIENCY: Improve Performance by Adding the Formula to Your Transmission Fluid to Reduce Slippage and Rough Shifting. Brings Back Smooth Shifting Gears Resulting in An Improved Response. Add Every Time You Change Your Transmission Fluid.
- PROTECT YOUR VEHICLE: ZMAX Transmission Formula Is Easy to Use! Micro-Lubrication Soaks Into Metal Surfaces Improving Lubrication to Reduce Gear Wear and Varnish Buildup. Keeps Seals Supple, Preventing Leaks and Improving Shifting.
- ECONOMICAL PREVENTATIVE MAINTENANCE: Pour Into Transmission Fluid to Keep the Gears Lubricated and in Top Condition. The Eco-Friendly Formula Is Industry Tested, Mechanic Trusted and Improves the Performance and the Driving Experience.
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#Top 6 Liqui Moly 20040 ATF Additive
- Damps Down Shifting Operations and Protects From Wear
- Improve Steering Characteristic and Reduced the Noise
- Prevents Oil Loss
- Regenerates Seals, Cleans and Protects
- Lowers Repair Costs and Lengthens the Service Life
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#Top 7 Muscle Metal Treatment MT-10 Transmission
- Lubrication Technology That Improves Lubricity and Load Carrying Capacity
- Compatible with All Petroleum Fluids and Most Synthetics; Contains No Solid Lubrcants, Chlorinated Solvents, Or Phosphate Compounds
- Keeps Oil Passages, Orifices, and Ball Checks Clean and Fully Operational and Frees Valve Body for Optimum Performance
- MT-10 Transmission Is An Anti-Friction Additive Designed to Address Extreme-Pressure Areas, Such As Gear Systems, Along with Bushings, Bearings and Shafts
- Polishes, Seals and Protects Metal Surface of Internal, Moving Metal Parts While Lowering Operating Temperatures
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#Top 8 KW 402033X6 Trans-X Automatic Transmission Stop Leak Tune-Up
- KandW SEALANTS and SOLUTIONS: From Head Gaskets and Engine Blocks to Automatic Transmissions and Power Steering, KandW Products Are Made to Stop Leakage in Aging Vehicles. Our Sealants Provide An Effective Alternative to Costly Repairs and Parts Replacements.
- APPLICATION RANGE: Trans-X Is Formulated to Repair Leaks in Automatic Transmissions, Power Steering, and Hydraulic Systems, and Can Be Used As Preventative Maintenance When Added to Transmission Fluid. This Solution Is Not Compatible with CVT Or Manual Transmissions.
- TRANS-X STOP LEAK and TUNE-UP: Our Formula Prevents Leaks Caused by Aged Seals and Gaskets Place. Powerful Cleaning Agents Remove Sludge, Gums, and Varnish That Helps to Prevent Premature Failure and Extends Transmission Life.
- PRODUCT SPECIFICATIONS: Trans-X Stop Leak and Tune-Up Solution Is Available with 32 Fl Oz. Fill.
- SAFE HANDLING: Highly Flammable Leak Repair Solution Must Be Stored in a Well-Ventilated Place Away From Direct Heat. Wear Appropriate Personal Protective Equipment Such As Safety Glasses and Gloves.
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#Top 9 Bestline Transmission Hydraulic Systems Treatment
- BOOST THE EFFICIENCY OF ANY TRANSMISSION OIL -Enjoy Improved Lubricant Performance with Our Innovative Transmission Oil Additive. Using Diamond Nano-Particles Technology, Our Additive Provides Anti-Wear and Antifriction Properties That Are Superior to Plain Transmission Repair Fluid.
- EASY AND ECONOMICAL MAINTENCE – Enjoy An Overall Improved Driving Performance and Help Reduce CO2 Emissions by Boosting the Fuel Efficiency of Your Vehicle with Our Effective Transmission Treatment Additive.
- EXTENDS THE LIFE OF ALL AUTOMATIC TRANSMISSIONS – The Anti-Scuffing and Anti-Wear Properties of Nano-Diamonds Make This the Perfect Transmission Fix for Lubricants Used in Cars, Race Engines, Motorcycles, and Any Other Vehicles.
- TRUSTED QUALITY AND PERFORMANCE – All Best Line Racing Products Are Proudly Made in the USA by Transmission Professionals Looking to Increase the Fuel Efficiency and Running Power of Vehicles While Lowering Your Costs.
- ENHANCES THE ADDITIVES IN ALL ATF FLUIDS – Enhance Any Manual Transmission Additive Or Transmission Assembly Lubricant by Helping Prevent the Oxidation of the Additives in All ATF Fluids. Our Product Also Conditions All Seals and O-Rings for Optimized Effectiveness.
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#Top 10 Lubegard 67010 CVT Recharge Protect
- Corrects and Prevents Problems Caused by Worn-Out, Degraded Fluid
- For Use in All CVT Transmissions
- Protects Belt/chain, Pulleys and Other Components From Excessive Wear
- Provides Anti-Shudder Durability
- Reduces Noise
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#Top 11 Slick 50 41806015 Recharged High Mileage Automatic Transmission and Engine Treatment
- Prevents Transmission Leaks and Aids High Mileage Transmissions by Lubricating Seals
- Can Be Added Anytime Or While Doing a Transmission Fluid Change, Leave Adequate Fill Space
- Helps Eliminate Transmission Shudder
- Helps Erratic Shift and Loss of Torque
- Restores ATF Additive Content and Provides Additional Protection to Transmissions
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#Top 12 HOT SHOTS HSSTSE32Z Transmission Stiction Eli
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#Top 13 KW 402916X6 Trans-X High Mileage Automatic Transmission Treatment
- KandW SEALANTS and SOLUTIONS: From Head Gaskets and Engine Blocks to Automatic Transmissions and Power Steering, KandW Products Are Made to Stop Leakage in Aging Vehicles. Our Sealants Provide An Effective Alternative to Costly Repairs and Parts Replacements.
- APPLICATION RANGE: Our Leak Stop Fluid Is Formulated to Prevent and Restore Smooth Shifting in Vehicles with High Mileage. Trans-X Is Not Compatible with CVT Or Manual Transmissions.
- TRANS-X LEAK REPAIR FLUID: Specially Developed for Vehicles with 75,000 Miles Or More, This Automatic Transmission Fluid Extends the Transmission Life, Stops Leaks, Repairs Leaks, Prevents Future Leaks and Restores Smooth Shifting.
- PRODUCT SPECIFICATIONS: Trans-X High Mileage Transmission Fluid Is Available with 16 Fl Oz Fill.
- SAFE HANDLING: Highly Flammable Transmission Stop Slip Must Be Stored in a Well-Ventilated Place Away From Heat, Sparks, and Open Flame. Wear Appropriate Personal Protective Equipment Such As Safety Glasses and Gloves.
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#Top 14 ProTecta Automatic Transmission Treatment 10 Ounce Bottle
- Transmission Shifts Like New
- Lowers Operating Temperature
- Frees Sticking Valves
- NOT FOR USE IN CVT TRANSMISSIONS
- Eliminates Torque Converter Shudder
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#Top 15 DR TRANNY LUBEGARD AUTOMATIC TRANSMISSION INSTANT SHUDDER FIX 6 PACK
- Provides Four Times Less Wear Than Regular ATF
- The Original Transmission Shudder Fix
- A Concentrated Friction Modifier Formulated Specifically for Instantly Eliminating Torque Converter Lock-Up Shudder
- Voted Top Product by Transmission Professionals
- For Use in Any Automatic Transmission Fluid (not for Use in Ford Type F Or CVT Applications)
Buy on Amazon Customer Reviews
Editor’s Notes
During our Transmission Fluid Additives research, we found 113 Transmission Fluid Additives items and shortlisted 15 high quality products.We discovered that most consumers opt for Transmission Fluid Additives having an average cost of $17.
We have reviewed hundreds of brand names and picked out the top brands of Transmission Fluid Additives, such as Hot Shot’s Secret, Lubegard, Bar’s Leaks, XADO, zMAX, Hot Shot’s Secret Transmission Fluid Additive.
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