20 Best Gearbox Oil Treatment [2024]

Are you looking for the best gearbox oil treatment? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling gearbox oil treatment.

We Recommended:

# Preview Product
1 XADO EX120 Automatic Transmission Fix - Treatment for CVT & Other Gearbox Types | ATF Additive &... XADO EX120 Automatic Transmission Fix - Treatment for CVT & Other Gearbox Types | ATF Additive &...
2 RESURS Total 50 g Manual Gearbox Restorer/Transmission Oil Additive/Gear Restorer/Manual Gearbox... RESURS Total 50 g Manual Gearbox Restorer/Transmission Oil Additive/Gear Restorer/Manual Gearbox...
3 Bar's Leaks Axle and Differential Gear Repair Bar's Leaks Axle and Differential Gear Repair
4 Liqui-Moly MoS2 Anti-Friction For Gears (50g) -2 Pack Liqui-Moly MoS2 Anti-Friction For Gears (50g) -2 Pack
5 Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
6 XADO Engine Oil Additive - Protection For Engines - Additive For Wear Protection & Rebuilding Of... XADO Engine Oil Additive - Protection For Engines - Additive For Wear Protection & Rebuilding Of...
7 Liqui Moly 2019 MoS2 Anti-Friction Gear Lubricant - 50 Gram Liqui Moly 2019 MoS2 Anti-Friction Gear Lubricant - 50 Gram
8 Super Lube 20320 Engine Treatment, 1 Quart Bottle Super Lube 20320 Engine Treatment, 1 Quart Bottle
9 Bardahl 3119 Gear Oil Additive + StopLeak - Extreme Pressure Lubricant Extends Gear Life and Stops... Bardahl 3119 Gear Oil Additive + StopLeak - Extreme Pressure Lubricant Extends Gear Life and...
10 ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle
11 Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector... Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates...
12 XADO EX120 (Revitalizant) – Gas & LPG Additive (Syringe 8 ml) XADO EX120 (Revitalizant) – Gas & LPG Additive (Syringe 8 ml)
13 Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz. Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz.
14 Bar's Leaks High Mileage Transmission Repair, 16.9 Fl Oz Bar's Leaks High Mileage Transmission Repair, 16.9 Fl Oz
15 FryAway Pan Fry Waste Cooking Oil Solidifier Powder, 100% Plant-Based Cooking Oil Disposal, 1 Packet... FryAway Pan Fry Waste Cooking Oil Solidifier Powder, 100% Plant-Based Cooking Oil Disposal, 1...
16 Lucas Oil Products 10088 Hub Oil Lucas Oil Products 10088 Hub Oil
17 Permatex 81182 Gear Oil RTV Gasket Maker, 3 oz. Permatex 81182 Gear Oil RTV Gasket Maker, 3 oz.
18 Lucas Oil LUC10046 SAE 80W-90 Heavy Duty Gear Oil - 1 Gallon , White Lucas Oil LUC10046 SAE 80W-90 Heavy Duty Gear Oil - 1 Gallon , White
19 Hot Shot's Secret - HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle Hot Shot's Secret - HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
20 Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz
Bestseller No. 1
XADO EX120 Automatic Transmission Fix - Treatment for CVT & Other Gearbox Types | ATF Additive &...
  • Rebuilds And Restores Metal Parts And Protects Them From Future Wear.
  • Anti Friction Modifier. Eliminates Surfaces Defects & Protects From Extreme Heat
  • Stops Transmission Shudder, Reduces Noise & Vibration. Ultimate Stop Slipping Additive
  • Increases Performance Reliability And Prolongs Service Life Of Control Gears
  • Universal for Automatic, CVT, Tiptronic, Manumatic, Semi-Automatic Transmission
Bestseller No. 2
RESURS Total 50 g Manual Gearbox Restorer/Transmission Oil Additive/Gear Restorer/Manual Gearbox...
  • RESTORATION and antiwear protection of mechanical transmission and its bearings
  • PROTECTION from over heating
  • PROTECTION during gear changes
  • SPEED CHANGE FACILITATION
  • ELIMINATION OF MICRO CRACKS
Bestseller No. 3
Bar's Leaks Axle and Differential Gear Repair
  • Seal Conditioner – stops current and prevents future leaks by protecting and reconditioning seals.
  • Extreme Pressure (EP) and Anti-Wear (AW) Agents – provide excellent metal-to-metal wear protection reducing noise and gear temperatures. Our...
  • Friction Modifier – supplements the EP/AW additives to help reduce noise and wear. This in turn helps shifting in a manual transmission and also...
  • Performance Additive Booster – includes tackifying agents and highly sheer-stable multigrade viscosity modifiers to keep oil on the gears and...
  • Manufactured in the USA, this product works in all manual gearboxes, differentials, open & posi axles and more. Stops pinion, axle, output shaft and...
SaleBestseller No. 5
Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
  • Motor oil additive - Liqui Moly MoS2 anti-friction (300 ml. Can)
  • Forms High load-bearing film of lubricant on all friction surfaces
  • You will be surprised at how much better your engine sounds and how controlled it will be even at very high RPM
  • Flash point: 181.0 degrees_celsius
Bestseller No. 6
XADO Engine Oil Additive - Protection For Engines - Additive For Wear Protection & Rebuilding Of...
  • Engine oil additive restores the surfaces of the engine parts and compensates for the resulting wear
  • Restoration of engine compression | Repair of the surfaces
  • Provides active protection against overload and overheating | Extends lifespan
  • Lowers fuel consumption effectively | protects the engine against wear | Atomic metal conditioner
  • Motor oil additive with Revitalizant | Engine oil additive | Suitable for gasoline and gasoline engines
Bestseller No. 7
Liqui Moly 2019 MoS2 Anti-Friction Gear Lubricant - 50 Gram
  • Package Dimensions: 1.778 cms (L) x 2.794 cms (W) x 1.778 cms (H)
  • Product Type: Auto Accessory
  • Package Quantity: 1
  • Country Of Origin: Germany
SaleBestseller No. 8
Super Lube 20320 Engine Treatment, 1 Quart Bottle
  • Excellent anti-wear, anti-rust and anti-corrosion properties
  • Superior resistance to saltwater
  • Compatible with most conventional oils
  • Extreme pressure capabilities
Bestseller No. 9
Bardahl 3119 Gear Oil Additive + StopLeak - Extreme Pressure Lubricant Extends Gear Life and Stops...
  • Extends gear oil life
  • Conditions seals and eliminates leaks
  • Protects against gear wear and reduces gear noise
  • Improves synchronizer performance, decreasing shift effort in manual transmissions
  • Suitable for use in all types of manual transmissions and differentials that specify standard automotive gear oils or motor oil as the lubricant
SaleBestseller No. 10
ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle
  • Professional strength fast acting resealer, stops leaks fast
  • Rejuivinates all rubber seals & gaskets in engines, transmissions, power steering, differentials and hydraulic systems
  • Compatible with conventional and synthetic oils, ATF, gear oil, power steering fluids and hydraulic oil
  • Does not contain petroleum distillates, will not over-swell or breakdown seals
  • 8oz bottle will treat a 6 quart capacity, adjust accordingly
Bestseller No. 11
Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector...
  • 16oz AR9100 Friction Modifier - treats one Power Stroke
  • Fixes 6.0L and 7.3L Power Stroke cold start injector problems
  • Reduces wear and extends component life
  • Reduces engine noise, vibration and heat
  • For all diesel and gasoline engines, gearboxes, hydraulics, differentials and power steering systems
Bestseller No. 12
XADO EX120 (Revitalizant) – Gas & LPG Additive (Syringe 8 ml)
  • Rebuilds worn metal and protects against future wear for 62,000 miles.
  • Reduces fuel consumption (up to 30% at idle, up to 15% under normal driving); Increases oil pressure in the system to the nominal value.
  • Levels and increases compression in cylinders. Increases engine power and improves acceleration.
  • THE TYPICAL CAR WITH AN OIL CAPACITY OF UP TO 10 QUARTS REQUIRES 3 SYRINGES FOR A COMPLETE TREATMENT.
SaleBestseller No. 13
Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz.
  • Includes a Formula with Anti-Friction Metal Treatment Technology
  • Features Engineering Designed to Treat Metal Surfaces Through a Molecular and Chemical Process
  • Offers Molecules that Interact with Metal Surfaces and Chemically Bond to Create a Protective Layer that Reduces Damaging Friction and Heat
  • Offers to Treat the Metal Surfaces of Both Standard (Manual) and Automatic Transmissions
  • Features a Formula that Promotes Smoother Manual Shifts and Helps Restore Responsiveness in Automatic Transmissions
Bestseller No. 14
Bar's Leaks High Mileage Transmission Repair, 16.9 Fl Oz
  • Restores performance
  • Stops slipping and prevents lazy shifts
  • Quiets noise
  • Stops leaks
  • Conditions seals and o-rings
Bestseller No. 15
FryAway Pan Fry Waste Cooking Oil Solidifier Powder, 100% Plant-Based Cooking Oil Disposal, 1 Packet...
  • Mess-free Cooking oil Disposal ---- Cleaning up after frying doesn’t have to be messy. Solidify up to 8 cups of leftover oil in 3 easy steps so...

  • Easy to Use ---- Easy to follow instructions to solidify used cooking oil. Just stir FryAway Cooking Oil Solidifier powder into hot oil, cool down...

  • All Natural ---- Made from 100% plant-derived fats, safe to use and better for the environment.

     

  • 4 Uses ---- (4) pre-measured packs in each box, just open and sprinkle. Each pack solidifies up to 2 cups of oil.

     

  • Made in the USA ---- Proudly manufactured and sold in the USA

     

SaleBestseller No. 16
Lucas Oil Products 10088 Hub Oil
  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
Bestseller No. 17
Permatex 81182 Gear Oil RTV Gasket Maker, 3 oz.
  • Specially formulated to withstand the harsh gear oil environment found in differentials and transfer cases
  • Specialty silicone does not break down against gear oil friction modifiers
  • Seeks and seals leak paths that cut gaskets cannot
  • Tested to Original Equipment Manufacturer (OEM) specifications to ensure complete sealing power
  • Sensor safe, non-toxic, and non-flammable
SaleBestseller No. 18
Lucas Oil LUC10046 SAE 80W-90 Heavy Duty Gear Oil - 1 Gallon , White
  • Affordable Solutions
  • Provides rust protection
  • Ideal for shock loading applications
  • Can be used in limited slip differentials
SaleBestseller No. 19
Hot Shot's Secret - HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
  • 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...
  • Reduces transmission operating temperatures with high performance ester formula
  • Our Shift Restore formula acts as a high-quality transmission lubricant that serves as a hydraulic fluid, lubricating fluid and heat transfer fluid;...
  • Shift Restore's formula is designed to instantly attach itself to all of your transmission's metal parts, preventing deposits from varnish and...
  • Reduces transmission wear, erratic and inconsistent shifting, hesitation and rough operation, and excessive noise and vibration
Bestseller No. 20
Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz
  • Prevents overheating, reducing elevated operating temperatures up to 40 degrees Farenheit - Optimizes total transmission performance
  • Eliminates transmission fluid foaming and oxidation and reduces wear throughout the transmission
  • Eliminates clutch chatter and torque converter shudder; Softens and modifies harsh shifts making them quicker in duration
  • Extends fluid life / Raises the thermal and oxidative stability of the fluid
  • Only protectant that increases the fluid’s ability to transfer heat / Protects new seals and permanently restores older seals to a like-new...

Having trouble finding a great gearbox oil treatment?

This problem is well understood by us because we have gone through the entire gearbox oil treatment research process ourselves, which is why we have put together a comprehensive list of the best gearbox oil treatments available in the market today.

After hours of searching and using all the models on the market, we have found the best gearbox oil treatment for 2023. See our ranking below!

How Do You Buy The Best Gearbox Oil Treatment?

Do you get stressed out thinking about shopping for a great gearbox oil treatment? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching gearbox oil treatment, which is why we have assembled a comprehensive list of the greatest gearbox oil treatment available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for gearbox oil treatment that you consider buying. Your questions might include the following:

  • Is it worth buying an gearbox oil treatment?
  • What benefits are there with buying an gearbox oil treatment?
  • What factors deserve consideration when shopping for an effective gearbox oil treatment?
  • Why is it crucial to invest in any gearbox oil treatment, much less the best one?
  • Which gearbox oil treatment are good in the current market?
  • Where can you find information like this about gearbox oil treatment?

We’re convinced that you likely have far more questions than just these regarding gearbox oil treatment, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for gearbox oil treatment, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible gearbox oil treatment. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an gearbox oil treatment buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available gearbox oil treatment currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of gearbox oil treatment has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an gearbox oil treatment?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your gearbox oil treatment.
  5. Customer Ratings: Number ratings grade gearbox oil treatment objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their gearbox oil treatment.
  7. Product Quality: You don’t always get what you pay for with an gearbox oil treatment, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an gearbox oil treatment is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining gearbox oil treatment information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding gearbox oil treatment is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What kind of gear oil do you use for a manual gearbox?

A: Manual gearbox requires very careful treatment and Red Line MT-90 oil provides it. MT-90 secures the necessary friction for most synchronizers of mechanical gearboxes, compared to many other synthetic fluids that are too slippery. Red Line gear oil is suitable for almost any transmission type.

Q: What is the best gear oil for synchronizers?

A: MT-90 secures the necessary friction for most synchronizers of mechanical gearboxes, compared to many other synthetic fluids that are too slippery. Red Line gear oil is suitable for almost any transmission type. The oil belongs to the best gear oil for differential category and ensures excellent protection for the gears and synchronizers.

Q: What is the best gear lubricant?

A: The environment within a gearbox is extreme. Gears either come into and out of mesh, or they are in constant contact, but the only thing preventing gearbox damage is gear oil. Not all gear oils work in every situation, though. Read on to find the best gear lubricant to use. Why Gear Oil? 1. Mobil 1 Synthetic Gear Lube LS 2. Red Line MT-90 3.

Q: What is synthetic gear oil used for?

A: This synthetic gear oil is intended for usage in the transmissions with a high load, which work under extreme pressure and shock loads. It also works with the applications that require using oils with relatively high viscosity and superb bearing capacity.