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10 Best transmission additives of 2026
Explore top picks
Best Choice1
Lubegard9.8Exceptional
Lubegard 63032 Platinum Universal ATF Protectant, 32 oz.
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Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
Careful review Our team ensures quality, value, and fit based on real user feedback
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Thousands of users trust our site daily- Based on millions of stores and reviews
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Value for Money2
Hot Shot's Secret9.6Exceptional
Hot Shot’s Secret Shift Restore 32 fl oz – Treats 20 Quarts – Automatic Transmission Additive, Reduces Rough Shifting, Slipping and Heat
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Lubrication Properties:Acts as hydraulic, lubricating, and heat transfer fluid
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Additive Type:Automatic Transmission Additive
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Formula:High performance ester
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Bottle Size:32 Fluid Ounce
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Primary Function:Dissolves gum and varnish on transmission components
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3
Lucas Oil9.4Excellent
Lucas Oil 10009 Transmission Fix - 24 Ounce, White
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product dimensions: 12 x 3.35 x 3.35 inches
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package information: Can
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exterior: Smooth
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item weight: 1.58 pounds
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oem part number: 10009
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4
Hot Shot's Secret9.2Excellent
Hot Shot’s Secret Shift Restore 16 fl oz – Treats 10 Quarts – Automatic Transmission Additive, Reduces Rough Shifting, Slipping and Heat
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product dimensions:N/A
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package information:Bottle
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exterior:N/A
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item weight:1 pounds
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oem part number:N/A
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5
XADO9.1Excellent
XADO EX120 Automatic Transmission Fix - Treatment for CVT & Other Gearbox Types | ATF Additive & Protectant - Reduces Sticking, Shudder and Slipping
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6
XADO8.9Very Good
XADO AMC Automatic Transmission Additive Hard Shifting Instant Shudder Fixx - Atomic Metal Conditioner Maximum Slip Fix (Syringe 30ml)
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7
BG8.8Very Good
BG ATC Plus
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product dimensions: 3 x 3 x 5 inches
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package information:N/A
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exterior:N/A
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item weight: 11.2 ounces
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oem part number:N/A
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8
Liqui Moly8.6Very Good
Liqui Moly ATF Additive | 250 ml | Oil additive | SKU: 5135
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9
Lucas Oil8.5Good
Lucas Transmission Fix
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10
Lucas Oil8.3Good
Lucas Oil 10599 Anti-Squawk/Anti-Shudder Additive - 16 Ounce
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product dimensions: 2.47 x 2.47 x 9.38 inches
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package information: Can
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item weight: 0.01 ounces
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item model number: 10599
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best sellers rank: 235,783 in Automotive See Top 100 in Automotive 1,105 in Motor Oils
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