HomeTransmission Additive Top 9 Best Transmission Additive #1 Sea Foam Trans Tune TT16, 16 oz 10 SCORE View Detail Buy it on Amazon ✔Safe for conventional and synthetic fluids✔Cleans and lubricates valve bodies, shift actuators and solenoids, controls moisture✔Helps fluid systems work smoother and last longer More Detail+ #2 zMAX 51-306 – Transmission Formula – for Automatic and Manual 9.7 SCORE View Detail Buy it on Amazon ✔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.✔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. More Detail+ #3 Prolong Super Lubricants PSL15000 Transmission Treatment – 8 oz. 9.4 SCORE View Detail Buy it on Amazon ✔Features a Formula that Promotes Smoother Manual Shifts and Helps Restore Responsiveness in Automatic Transmissions✔Offers Molecules that Interact with Metal Surfaces and Chemically Bond to Create a Protective Layer that Reduces Damaging Friction and Heat✔Includes a Formula with Anti-Friction Metal Treatment Technology More Detail+ #4 - 11% Deal Lubegard 19610 Instant Shudder Fixx, 2 oz. 9.2 SCORE View Detail Buy it on Amazon ✔Voted top product by transmission professionals✔Provides four times less wear than regular ATF✔The original transmission shudder fix More Detail+ #5 LUCAS OIL 10441 Automatic Transmission Fluid Conditioner, 20 oz 9.0 SCORE View Detail Buy it on Amazon ✔Reduces noise and shudder✔Extends fluid life More Detail+ #6 - 48% Deal Lubegard 63010 Platinum Universal ATF Protectant, 10 oz. 8.8 SCORE View Detail Buy it on Amazon ✔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✔Contains patented Synergol TMS Technology, a synthetic molecule that tightens the shift cycle without losing the friction modification at lockup, which eliminates shudder✔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 More Detail+ #7 - 55% Deal Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz. 8.6 SCORE View Detail Buy it on Amazon ✔Only protectant that increases the fluid’s ability to transfer heat / Protects new seals and permanently restores older seals to a like-new condition, without adverse side effects✔Eliminates clutch chatter and torque converter shudder; Softens and modifies harsh shifts making them quicker in duration✔Prevents overheating, reducing elevated operating temperatures up to 40 degrees Farenheit - Optimizes total transmission performance More Detail+ #8 Hot Shot’s Secret – HSSTSE32Z Shift Restore Automatic Transmission 8.2 SCORE View Detail Buy it on Amazon ✔5 year shelf life✔Eliminates rust & corrosion✔Reduces coefficient of friction✔Reduces operating temperatures More Detail+ #9 Lucas LUC10009 Transmission Fix 24 oz., Brown (Packaging May Vary) 8.0 SCORE View Detail Buy it on Amazon ✔Can be added to existing fluid without draining any out✔Lucas Transmission Fix Stops Slip, Hesitation, Rough Shifting In Worn Transmissions And Completely Eliminates Most Seal Leaks More Detail+ Recommended Categories related to Transmission Additive Luggage Cove... Bike LED Fro... BIC Sport Pa... Kids Bike He... Micro ATX Ca... Editor’s Pick: Trending Products you will love Electronics Corsair Gaming SCIMITAR RGB MOBA/MMO Gaming Mouse, Key Slider Mechanical Buttons, 12000 DPI, Yellow $175.00 View Detail Electronics Logitech G105 Gaming Keyboard Free! View Detail Electronics Logitech G15 Gaming Keyboard Free! View Detail - 100% Electronics Razer DeathAdder Expert – Optical Esports Ergonomic Professional-Grade Gaming Mouse – 6,400 Adjustible DPI $47.99 $0.00 View Detail