Transmission Additives

Transmission AdditivesAt AutoBarn we carry a large variety of transmission additives ranging from, transmission stop leaks, transmission conditioners, transmission flushes, transmission sealers, transmission treatments, friction modifier, transmission protectant, assembly lubricant, transmission supplements, and shudder fixes. Each providing different components to improve your transmission function and driveability by brands such as Lubro-Moly, Lucas, White Shepherd, and Lubegard.
ATP AT-205 Multi-Purpose Leak Re-Sealer (8 oz)
Sea Foam Transmission & Power Steering Cleaner Fluid (16 oz.)
Lubro-Moly MoS2 Anti-Friction For Gears (50g)
Lucas Automatic Transmission Fluid Conditioner (20 oz.)
Stops leaks in the power steering, transmission, engine, differential, sunroof seals, etc.
Our Price: $13.59
Our Price: $8.99
Our Price: $10.95
Sale Price: $9.95, 2/$18.90
You Save: $1.00
Our Price: $12.95
Sale Price: $10.95
You Save: $2.00
Blue Devil Transmission Sealer (16 oz.)
Blue Devil Transmission Sealer (16 oz.) - 6 Pack
Lubegard Transmission Flush (10 oz)
Gunk Transeal Automatic Transmission Sealer (12 oz.)
Our Price: $11.99
Restores Dried, Cracked, and Shrunken Rubber Seals
Our Price: $63.00
Safely removes varnish deposits and prepares your transmission for new fluid. Safe for all transmissions
Our Price: $9.99
Our Price: $2.69
Gunk Trans Medic Automatic Transmission Treatment (12 oz.)
Lucas Transmission Fix with ATF Conditioner (24 oz.)
Tow Kool Super Concentrated Automatic Transmission Formula (16 oz.)
Lubegard Synthetic Automatic Transmission Protectant  (10 oz.)
Our Price: $7.49
Our Price: $12.99, 6/$71.10, 12/$138.60
Our Price: $11.97
Sale Price: $6.97
You Save: $5.00
Prevents overheating & reduces elevated operating temperature., and reduces ATF foaming and oxidation
Our Price: $9.99
Lubegard High Friction Modified ATF Supplement (10 oz.)
Lubegard Automatic Transmission Supplement for Ford Applications (10 oz.)
LUBEGARD Platinum High Performance ATF Protectant (10 oz.)
Lubegard Kooler Kleen Transmission Line Flush Cleaner (13 oz)
Converts ATF into highly friction modified ATF, to save you time, space, and money
Our Price: $12.99
Sale Price: $9.99
You Save: $3.00
Corrects additive depletion problems and converts Dex/Merc ATF to perform like Mercon V ATF
Our Price: $11.95
Doubles the life of the ATF when added to Dex III and performs 7% better than Dex VI
Our Price: $14.95
Removes grease, dirt, sludge, grime and metal shavings
Our Price: $9.99
Lubegard Assemblee Goo Firm Tack Assembly Lubricant (16 oz.)
Lubegard Instant Shudder Fixx (2 oz.)
Lubegard Universal Limited Slip Supplement (4 oz.)
Provides lubrication and helps facilitate the assembly process
Our Price: $9.99
Instantly eliminates torque converter lock-up shudder
Our Price: $8.99
Sale Price: $7.99
You Save: $1.00
Superior friction modifier works in all makes and models including Ford, Chrysler, and GM
Our Price: $6.99
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