HomeTransmission Additives Top 10 Best Transmission Additives #1 Rislone High Mileage Transmission Stop Slip with Leak Repair,Pack of 10 SCORE | Based on 230+ Verified Reviews View Detail Buy it on Amazon ✔Conditions seals and prevents future leaks✔Stops leaks✔Restores performance More Detail+ #2 Bar’s Leaks 1416 Super Transmission Fix – 16.9 oz. 9.7 SCORE | Based on 438+ Verified Reviews View Detail Buy it on Amazon ✔Bar's Leaks Super Transmission Fix is a synthetic blend treatment for transmission fluid, seals, metal surfaces, bands and clutch plates.✔Reduces Noise✔Stop Slipping, Rough Shifting, & Seals Fluid Leaks More Detail+ #3 - 32% Deal Bar’s Leaks 1400 Transmission Repair – 16.9 Fl Oz 9.4 SCORE | Based on 211+ Verified Reviews View Detail Buy it on Amazon ✔Conditions seals and o-rings✔Quiets noise✔Restores performance More Detail+ #4 Lubegard 19610 Dr. Tranny Instant Shudder Fixx 2 Ounce 2 Pack 9.2 SCORE | Based on 257+ Verified Reviews View Detail Buy it on Amazon ✔For use in any automatic transmission fluid (not for use in Ford Type F or CVT applications)✔A concentrated friction modifier formulated specifically for instantly eliminating torque converter lock-up shudder More Detail+ #5 XADO Atomic Metal Conditioner Maximum for аutomatic transmissions (Syringe 30ml) (Automatic 9.0 SCORE | Based on 487+ Verified Reviews View Detail Buy it on Amazon ✔Increases Performance Reliability and Prolongs Service Life Span of Control Mechanisms✔Restores Surfaces and Protects Friction Metal Parts From Wear More Detail+ #6 - 12% Deal Slick 50 41806015 Recharged High Mileage Automatic Transmission and Engine Treatment, 15-Ounce 8.8 SCORE | Based on 225+ Verified Reviews View Detail Buy it on Amazon ✔Helps erratic shift and loss of torque✔Prevents transmission leaks and aids high mileage transmissions by lubricating seals✔Helps eliminate transmission shudder More Detail+ #7 K&W 402033X6 Trans-X Automatic Transmission Stop Leak & 8.6 SCORE | Based on 470+ Verified Reviews View Detail Buy it on Amazon ✔PRODUCT SPECIFICATIONS: Trans-X Stop Leak & Tune-Up Solution is available with 32 fl oz. fill.✔APPLICATION RANGE: Trans-X is formulated to repair leaks in automatic transmissions, power steering, & hydraulic systems, and can be used as preventative maintenance when added to transmission fluid. This solution is not compatible with CVT or manual transmissions.✔K&W SEALANTS & SOLUTIONS: From head gaskets and engine blocks to automatic transmissions and power steering, K&W products are made to stop leakage in aging vehicles. Our sealants provide an effective alternative to costly repairs and parts replacements. More Detail+ #8 Bestline Transmission & Hydraulic Systems Treatment – 12 Fl. Oz. – 8.2 SCORE | Based on 154+ Verified Reviews View Detail Buy it on Amazon ✔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.✔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.✔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. More Detail+ Recommended Categories related to Transmission Additives Rc Helicopte... Mary Kay Lip... Daniel Silva... Better Homes... Dell Desktop... Editor’s Pick: Trending Products you will love Dell Desktop Computers Dell XPS 8940 Desktop Computer – Intel Core i7-11700, 32GB DDR4 RAM, 512GB SSD + 1TB HDD, Intel UHD Graphics 750, 2Yr OnSite, 6 Months Dell Migrate Services, Windows 11 Pro – Black (Latest Model) $1199.99 View Detail Dell Desktop Computers Dell OptiPlex 9020-SFF, Intel Core i5-4570 3.2GHZ, 16GB RAM, 512GB SSD Solid State, DVDRW, Windows 10 Pro 64bit (Renewed) $240.22 View Detail Dell Desktop Computers Dell Optiplex 7010 Business Desktop Computer (Intel Quad Core i5-3470 3.2GHz, 16GB RAM, 1T SSD, USB 3.0, DVDRW, Windows 10 Professional) (Renewed) $244.00 View Detail Dell Desktop Computers Dell Optiplex 780 SFF Desktop PC – Intel Core 2 Duo 3.0GHz 4GB 160GB Windows Pro (32bit) (Renewed) $170.85 View Detail