The 11 Best Gearbox Lubes (2022 reviews)

gearbox lubes
.
Are you planning to buy gearbox lubes, and are you confused about the options ? This page is just for you.

Our review process:

Our Top Picks:

Best Overall:
Buy: Red Line Gearbox Lube
READ REVIEW

Best For Heavy Duty:
Buy: Mobil 1 Gearbox Lube
READ REVIEW

Best For Boat:
Buy: Valvoline Gearbox Lube
READ REVIEW

Best For Country Of Origin:
Buy: Lucas Oil Gearbox Lube
READ REVIEW

Best With Friction Modifier:
Buy: Valvoline Rated Gear Oil
READ REVIEW

Best For Worth The Cost:
Buy: Lucas Oil Good Oil
READ REVIEW

Best For Outboards:
Buy: Quicksilver Gearbox Lube
READ REVIEW

Best For Great Price:
Buy: Star Brite Good Gear Oil
READ REVIEW

Best For Easy Install:
Buy: Motul Gearbox Lube
READ REVIEW

Best For Lower Unit Of Any Recent Outboard Motor:
Buy: Star Brite Gearbox Lube
READ REVIEW

Best For Smoother Shifts:
Buy: Liqui Moly Gearbox Lube
READ REVIEW

Best Overall: Red Line Gearbox Lube

Red Line Gearbox Lube
Buy on Amazon

Not everyone likes to purchase lube for their daily usage, but the Red Line Gearbox Lube would be an anomoly. The red line gearbox lube is much more and it is designed for rear differentials. Make sure this fits by entering your model number. And, this is full synthetic and it is much smoother.

The lube makes for smooth shifting, is good for shorter trips and it is safe for brass synchros. Finally, the red line gearbox lube is good for power steering, is great for transfer cases and it feels so much better.

Most buyers quickly discovered that the lube is a great transmission oil for mazdas and bmws. Moreover, a few also found that the lube is very cold and the oil is working great. In addition, a few say that the fluid held up fantastically, and always shifted smoothly and accurately.

Top Customer Quotes:
  • This is used to shift very notchy from 1st to 2nd, kind of clunky.
  • This is not use only gl-4 mt.
  • This makes things shift like new.
  • It is great with great service and it is made with great stuff.

Best For Heavy Duty: Mobil 1 Gearbox Lube

Mobil 1 Gearbox Lube
Buy on Amazon

Mobil 1 is known for creating pragmatic and minimalist lubes for people on the go, and its line of Mobil 1 Gearbox Lubes definitely falls in line with that reputation. The mobile 1 gearbox lube is good for power steering, would be perfect with excellent quality and it provides great value. Compared to conventional hypoid gear lubricants, mobil 1 synthetic gear lube is 75w. Further, this is designed for limited slip-type differentials.

The lube provides significant advantages versus conventional mineral oil formulations. And, the lube can be used in extended service and for aiding in fuel economy performance. Above all, the mobile 1 gearbox lube is designed for rear differentials and it can be found for a decent price.

Most buyers find that the lube is one of the top 2 or 3 best synthetic gear oils to use in an eaton locker type or non - positraction differential. And, a few also found that the lube is mobil 1, so it is good quality stuff. And, a few strongly agree that the lube is perfect for the s2000 rear differential. Therefore, customers were eager to recommend it to friends and families.

Top Customer Quotes:
  • This has kind of a nauseating odor.
  • This is a quality control issue and also can be used in last change.
  • This will stick to the surfaces and provide superior protection from friction.
  • This runs great, makes for smooth shifting and it reduces wear.

Best For Boat: Valvoline Gearbox Lube

Valvoline Gearbox Lube
Buy on Amazon

The Valvoline line of lube comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. Further, the lube works as expected and it is safe. Formulated to maintain excellent low temperature fluid protection. Most importantly, the Valvoline Gearbox Lube is used for a long service life and it is for rear differentials.

Almost all buyers opine that the lube works well also to prevent leaks. Further, a few say that the lube will work it is a suitable replacement. Also, they say that this oil grade is the manufacturer's specifications. Overall, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This can be used in 90 toyota pickup.
  • This is a subaru treat it right and drive for the next 20 years.
  • This is 75 w-90 gear oil with a limited slip additive. You will be fine.
  • Helps provide outstanding thermal stability for cleanliness and longer service life.

Best For Country Of Origin: Lucas Oil Gearbox Lube

Lucas Oil Gearbox Lube
Buy on Amazon

The Lucas Oil Gearbox Lube should be able to handle its purpose and duties with ease. The lucas oil gearbox lube is great for a great price and it is completely synthetic. Make sure this fits by entering your model number. Also, this is much smoother, is good for country of origin and it is made for double check.

Finally, the lucas oil gearbox lube you can buy for good value, is designed for rear differentials and it works as expected.

Almost all customers opine that the lube is designed to stand up to high temperatures without losing its lubricity, making it excellent for use in limited slip differentials. And, a few also found that the lube is a cheaper option compared to buying the quart sized bottles. Further, they strongly agree that the lube is compatible with synthetic fluids. Overall, the tone of buyers is very positive and we believe that the lube suits the purpose.

Top Customer Quotes:
  • Country of origin : United States.
  • This is a hypoid gear that you lubricate.
  • Package dimensions: 31.75 h x 15.24 l x 15.24 w (centimeters).
  • You can visit Lucas oil website to read in detail.

Best With Friction Modifier: Valvoline Rated Gear Oil

Valvoline Rated Gear Oil
Buy on Amazon

The Valvoline Rated Gear Oil's superior materials makes sure that it ages well with use. The valvoline rated gear oil is because of this legacy that people have trusted valvoline products in their vehicles from the model to today's newest models. The Manufacturer says: From our flagship motor oils to antifreeze and gear oil, valvoline offers a full range of engine lubricants and cleaners to help keep your vehicle on the road and running at peak performance. Further, this is full synthetic and it is designed for rear differentials. Above all, the valvoline rated gear oil protects against severe temperatures to help extend service life.

Most buyers found that the lube is 90w valvoline gear oil w/friction modifyier. Moreover, they say that if the lube is the specified weight it should be fine. Moreover, they also found that the lube is suitable for use in all 2000. Overall, most buyers agree that the lube suits them best, and no one questions it.

Top Customer Quotes:
  • Formulated with extreme-pressure additives to minimize gear wear from shock loads.
  • This comes out to be $5/quart with free shipping.
  • This is a mineral based gl-5 gear lube.
  • This is acceptable and can work in non - ls differentials w/o problems.

Best For Worth The Cost: Lucas Oil Good Oil

Lucas Oil Good Oil
Buy on Amazon

The Lucas Oil Good Oil's material feels more premium than its price would suggest. Lucas oil good oil reduces wear, works with part numbers and it can be found for a decent price. Manufacturer says: Browse our exclusive collection of auto accessories that includes top quality products to enhance the style, comfort and functionality of your vehicle. Moreover, it does the job, have no complaints and it is affordable.

The lube is great for a fair price, makes for a great buy and it is perfect for great quality. Further, it works as expected, is highly recommended and it is great with great stuff. Finally, luca oil oil is great for heavy-duty applications, provides great value and it is used for double check.

Almost all buyers quickly discovered that the lube is a great oil to protect expensive parts. Moreover, a few also found that the lube will work in the rear differential of your kia.

Top Customer Quotes:
  • This is designed for the motorcycle transmission.
  • This is perfect for any 8" toyota.
  • Excellent for high performance and heavy-duty applications.
  • This is great diff oil for ATV.

Best For Outboards: Quicksilver Gearbox Lube

Quicksilver Gearbox Lube
Buy on Amazon

The Quicksilver Gearbox Lube should be able to handle its purpose and duties with ease. The quicksilver gearbox lube is great for a fair price and it can get for a reasonable price. Make sure this fits by entering your model number. Also, it is designed for outboard and sterndrive applications above 75 hp.

Lastly, the quicksilver gearboxlube is safe and it is designed for super fast shipping.

Most customers find that the lube will lube a high speed lower unit of an outboard, it should handle the gears in a 2 stage blower. In addition, a few strongly agree that the lube is 90 weigh quicksilver 858064q01 high performance sae 90 gear lube for mercury outboards and mercruiser sterndrives, 32 oz. Further, they strongly agree that this is the gear oil for the lower unit, not the engine oil that mixes with gas. In short, many buyers have used the quicksilver gearbox lube for more than a few months without any issues, and it shows no sign of giving up.

Top Customer Quotes:
  • This can be used in an outboard boat drive so it should work.
  • This lube is for your lower init...not gasoline.
  • This is 4 stroke marine oil, so you should be good with it.
  • This has additives to repel moisture and prevent corrosion in the gear box.

Best For Great Price: Star Brite Good Gear Oil

Star Brite Good Gear Oil
Buy on Amazon

If you want nothing but the best reliable lube, then Star Brite Good Gear Oil is the one you should definitely consider. The star brite good gear oil is designed for a great price and it is completely synthetic. Make sure this fits by entering your model number. These products exceed all engine manufacturers-feet specifications and are designed specifically for the marine environment. Lastly, the star brite good gear oil protects against rust and corrosion.

Most customers opine that the lube is easy to replace old oil. Also, a few also found that the lube is good for all engines over 100 hp. In addition, they say that the lube is a gear oil for an outdrive on a boat, not engine oil. In short, most customers call the lube is functionally comfort, and no one questions it.

Top Customer Quotes:
  • This is fully initial description does not note this.
  • Superior thermal stability protection over a wide temperature range.
  • This is great with two mercury outboards lower units 9.9.
  • Recommended for all engines over 100 hp protects against rust and corrosion.

Best For Easy Install: Motul Gearbox Lube

Motul Gearbox Lube
Buy on Amazon

We would, of course, be remiss if we didn't mention Motul Gearbox Lube for daily usage. The motul gearbox lube has quiet shifting and it is highly recommend. Make sure this fits by entering your model number. Further, it is much smoother, have no complaints and it makes for an easy install.

The lube can be registered for a lifetime warranty and it is good for country of origin. Most importantly, the motul gearbox lube is very smooth and it is perfect for great quality.

Most buyers agree that the lube is a great diff fluid for the stock 86 differential. And, a few also found that the lube was brand new, the car shifted like butter. And, a few say that the chances are that any new oil will feel better than used oil. To sum up, buyers found this to be one of the best lubes for daily purposes.

Top Customer Quotes:
  • This is the perfect gear oil for high - performance cars.
  • Package dimensions: 6.604 cms (l) x 11.684 cms (w) x 22.606 cms (h).
  • This is the perfect fluid upgrade for a track fiesta st.
  • This is good for the 2007 Porsche Cayman.

Best For Lower Unit Of Any Recent Outboard Motor: Star Brite Gearbox Lube

Star Brite Gearbox Lube
Buy on Amazon

Next on the list, we've got yet another lube that manages to win our hearts. It's the Star Brite Gearbox Lube and it's widely considered as the lube that has the most suitable features. The star brite gearboxlube is best at a reasonable price and it has corrosion inhibitors. Make sure this fits by entering your model number. These products exceed all engine manufacturers-feet specifications and are designed specifically for the marine environment. Lastly, the star brite gearbox lube is much smoother, is safe and it can be bought for good value.

Most customers opine that the lube can be used in a 2007 4 stroke. And, a few say that the lube works for the lower unit of any recent outboard motor. Moreover, they strongly agree that the lube is good for any outboard lower unit gear case.

Why We Like This:
  • Formulated with special anti-wear additives, rust and corrosion inhibitors.
  • The ultimate lubrication for maximum performance and economy.
  • Good investment for the long term.

Best For Smoother Shifts: Liqui Moly Gearbox Lube

Liqui Moly Gearbox Lube
Buy on Amazon

Next on the list, we've got yet another lube that manages to win our hearts. It's the Liqui Moly Gearbox Lube and it's widely considered as one of the most convenient lubes you can buy. The liqui moly gearbox lube is made from raw material deliveries, to production, right through to shipment. The Manufacturer says: We offer the world's widest, deepest range of motor and gearbox oils, fuel and oil additives, care products, chemical problem-solvers and service products. In addition, the lube makes everything quiet, is safe and it comes with great stuff.

The lube allows for smooth shift. is good for premium quality and it is incredible. And, the lube comes with over 4, 000 products relating to motor and transmission oils, fuel and oil additives, vehicle care, chemical repair aids as well as service products, adhesives and sealants, Liqui moly offers a globally unique range of absolute top quality. Above all, the liqui moly gearbox lube is suitable for all manual motor vehicle transmissions and differentials without limited slip function.

Almost all customers agree that the lube can be used as an additive for rear drive and transmission oil on a bmw r1150gs. And, they also found that the lube was mainly an attempt to get some cheap insurance. Further, a few say that the axle hub oil in a semi and noticed an immediate increase in mpg and overall performance. In conclusion, many have used the lube for more than a few months without any problems, and it shows no sign of giving up.

Top Customer Quotes:
  • Package dimensions: 1.778 cms (l) x 2.794 cms (w) x 1.778 cms (h).
  • This protects surfaces for smoother operation and longer life.
  • This is used to used but is no longer available.
  • This is more like runny, charcoal black fluid.