Top 10 Best Gl-4 Gear Oil Reviews In 2023

Last Updated on April 19, 2023

The research to come up with this collection of 49498 reviews available online for Gl-4 Gear Oil, choose the finest ones and written Gl-4 Gear Oil Reviews for you. We had a hard time shortlisting the ideal Gl-4 Gear Oil from thousands of products online. However, we are glad that we could finally pick the Best Gl-4 Gear Oil for you. Check products to include in the list and We hope it will be worth your time!

Best Gl-4 Gear Oil
Disclaimer: As An Amazon Associate I Earn From Qualifying Purchases.

Comparison Table Chart for Best Gl-4 Gear Oil

49498 number of user reviews were available online, which we scanned to find the Gl-4 Gear Oil. Hopefully, our experts suggestions available in this article will help you find your ideal choice.

NoProductScoreAction
1Red Line 50505 MT-85 75W85 GL-49.6Check Price on Amazon
2Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant - 1 Quart9.4Check Price on Amazon
3VP Racing Fuels Hi Performance Classic GL-4 Gear Oil9.4Check Price on Amazon
4Red Line 50205 MTL 75W80 GL-4 Gear Oil - 1 Gallon9.2Check Price on Amazon
5Sta-Lube API/GL4 Multi-Purpose Gear Oil 85W90 SL24229 – 32 Fl Oz9Check Price on Amazon
6Ultralub Ultra1Plus SAE 75W-90 Synthetic Gear Oil8.4Check Price on Amazon
7Brad Penn 023-7729 80W-90 GL4 Gear Lube - 1 Quart8.4Check Price on Amazon
8VP Racing Fuels Hi Performance Classic GL-4 Gear Oil Quart SAE 80W-90 (4 Pack)8.2Check Price on Amazon
9Triax Gear Max MT 75W-80 GL-48.2Check Price on Amazon
10Redline Oil 50604 1 qt. MT-LV GL-4 Gear Oil for 2008-2013 1 Series E82 128i8.2Check Price on Amazon

1. Red Line 50505 MT-85 75W85 GL-4

  • Better protection
  • Improved performance
  • Quality you can trust

2. Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant – 1 Quart

  • Less slippery low sulfur formula compatible with brass synchronizers
  • Stable at high temperatures in performance applications
  • Also available as lighter viscosity like MTL and MT-85
  • Satisfies gear oil viscosity requirements of 75W; 80W; SAE 40 10W40 and 15W40 motor oil
  • Popular in VW Audi; Nissan; Toyota and Mazda

3. VP Racing Fuels Hi Performance Classic GL-4 Gear Oil

  • VP Classic gear oil specially formulated for older transmissions
  • Applications include synchronizers, thrust washers, bushings and other components typically found in classic manual transmissions and transaxles.
  • Works great on “yellow metals”
  • Should NOT be used in applications requiring a GL-5 extreme pressure gear oil
  • SAE rating: 80W-90

4. Red Line 50205 MTL 75W80 GL-4 Gear Oil – 1 Gallon

  • Popular for BMW, Honda and Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Dodge and Jeep NV1500, NV3500 and NV5600 truck transmissions.
  • Popular replacement for and improvement over GM Synchromesh 12345349 and Auto-Trak II 12378508 and Chrysler spec MS-9224.
  • Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
  • Offers quicker shifts, perfect synchronizer coefficient of friction
  • Eliminates notchy shifting, even when cold; high performance gear protection and longer synchro life

5. Sta-Lube API/GL4 Multi-Purpose Gear Oil 85W90 SL24229 – 32 Fl Oz

  • STA-LUBE: Sta-Lube offers a range of high performance greases, gear oils, service oils, fluids, hand cleaners, additives, and lubrication formulas.
  • HYPOID GEAR OIL: GL-4 Hypoid Gear Oil has low pour points and high temp properties to provide lubrication over a wide temp range.
  • MULTI-PURPOSE: Our formula is not corrosive to copper, bronze, or other non-ferrous alloy bearings and bushings.
  • APPLICATIONS: This multi-purpose oil is suitable in use for auto, truck, and bus standard transmissions, and differentials requiring API/GL-3 and GL-4 oils that are 85w90 grade.
  • PRODUCT SPECIFICATIONS: Available in a 32 fl. oz. or 1 qt bottle, and is made in the USA.

6. Ultralub Ultra1Plus SAE 75W-90 Synthetic Gear Oil

  • Extended gear and bearing life due to minimal deposits.
  • Longer seal life.
  • Increased load-carrying capability.
  • Helps to reduce operating costs.
  • Contribution to reduced wear and ease of start up.
  • Maintains film strength for reliable lubrication.
  • Part number: UFS759GL4
  • Flash point: 205.0 degrees_celsius

7. Brad Penn 023-7729 80W-90 GL4 Gear Lube – 1 Quart

  • PennGrade 1 “Classic” Multi-Purpose GL-4 Gear Oil
  • Case of (12) 1 Quart Bottles
  • SAE Grade 80W-90
  • Typical Properties:

8. VP Racing Fuels Hi Performance Classic GL-4 Gear Oil Quart SAE 80W-90 (4 Pack)

  • VP Classic SAE 80w-90 API GL-4 Gear Oil for use with ‘yellow metals’, like synchronizers, thrust washers, bushings, & other components typically found in classic manual transmissions and transaxles.
  • Applications include synchronizers, thrust washers, bushings and other components typically found in classic manual transmissions and transaxles.
  • Recommended for use in traditional transmissions, such as Rockwell, Muncie, Borg-Warner, Ford, Saginaw, and import transmissions/transaxles calling for an API GL-4 gear oil.
  • NOT to be used in applications requiring a GL-5 extreme pressure or other gear oil quality.

9. Triax Gear Max MT 75W-80 GL-4

  • Full synthetic GL-4 75W80 with PAO and Esters, manual transmission fluid.
  • No reactive sulfurs, protects all yellow metal components.
  • Contains a custom build, high-performance detergency adpack coupled with friction modifiers, defoamers, and a corrosion inhibitor to handle various kinds of contamination; features 204 VI Index, extreme viscosity stability, and arctic grade, -60 F pour point.
  • Excellent shifting performance, rapid, smooth shifting, no slipping.
  • Compatible with Honda, Acura, Toyota, BMW, Audi, Mini, BMW X5 Tranfer Cases, Jeep, Chrysler, Ford, Mercedes Benz and many others.

10. Redline Oil 50604 1 qt. MT-LV GL-4 Gear Oil for 2008-2013 1 Series E82 128i

  • Gear Oil for 2008-2013
  • Quicker shifts, a perfect synchronizer coefficient of frictionCompatibility
  • 2008-2013 1 Series E82 128iSpecifications
  • Capacity: 1 qt.
  • Great for everyday use.

How To Choose The Best Gl-4 Gear Oil

Does the thought of finding a great Gl-4 Gear Oil stress you out? Has your mind been juggling between choices when it comes to buying Gl-4 Gear Oil in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Gl-4 Gear Oil for themselves. We understand the stress associated with the buying process!

Since you’re here, you are obviously curious about Gl-4 Gear Oil. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.

There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.

But that’s not always easy, right? That's why we've taken time to compile a list of the best Gl-4 Gear Oil in today's market, on your behalf, so that there will be no more worries for you.

How did we come up with the list, you ask? How did we create this buying guide?

  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Gl-4 Gear Oil currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-

  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.


Top Gl-4 Gear Oil brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.

  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Gl-4 Gear Oil based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Gl-4 Gear Oil before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Gl-4 Gear Oil they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Gl-4 Gear Oil, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Gl-4 Gear Oil before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Gl-4 Gear Oil will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Gl-4 Gear Oil if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Gl-4 Gear Oil on the market, the products that got mostly negative ratings get filtered and discarded.
These are the criteria we have chosen our Gl-4 Gear Oil on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Gl-4 Gear Oil featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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