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GM Auto Trak 2 Fluid Equivalent

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The importance of using the right fluids in automotive maintenance and repair can’t be overstated. Auto Trak II is one fluid that often comes into focus for owners of certain vehicles. This is a specialized fluid developed by General Motors (GM) for use in their transfer cases.

The selection of the right transfer case fluid, like Auto Trak II, is a critical aspect of vehicle maintenance, directly impacting your vehicle’s performance, longevity, and smooth operation.

Auto Trak II is a proprietary fluid made by GM for use in some of their vehicles’ transfer cases. It’s specially formulated to offer the right viscosity, lubrication, and performance characteristics required by these specific systems.

The transfer case is a complex piece of machinery that requires a specific type of fluid to function optimally. Using the correct fluid can help extend your transfer case's life, minimize wear and tear on its components, and ensure that your vehicle operates smoothly and efficiently.

On the other hand, using the wrong fluid can lead to issues like poor performance, increased wear, and even premature transfer case failure.

What Is Auto Trak 2?

Auto Trak II is a specially formulated fluid designed by GM to meet the unique requirements of their vehicles’ transfer cases. It is designed to provide the right balance of lubrication, cooling, and friction-modifying characteristics necessary for properly operating these systems. Auto Trak II is notable for its outstanding anti-shudder and anti-wear properties.

Auto Trak II is used in certain GM vehicles that feature four-wheel drive or all-wheel drive systems. These vehicles require the use of a transfer case to distribute power from the transmission to the front and rear axles. It is most commonly found in GM’s trucks, SUVs, and large crossovers, including models like the Chevrolet Silverado, GMC Sierra, and Chevy Trailblazer, among others.

In the specific systems where Auto Trak II is used, it plays a vital role. The fluid’s unique properties help to ensure that the transfer case operates smoothly, quietly, and efficiently. It does this by minimizing friction between the moving parts, helping to cool the system, and providing the necessary lubrication.

This helps to maximize the life of the transfer case and prevent premature wear or failure. Without the right fluid, these systems could suffer from decreased performance, increased noise, and potentially serious damage.

The Need For An Equivalent

There could be several reasons why someone might need an equivalent product to Auto Trak II. For starters, availability might be an issue. Depending on where you live or your access to a dealership, Auto Trak II might not be readily available. In these cases, finding an equivalent product that’s easily accessible becomes crucial.

Secondly, the cost could be a factor. While Auto Trak II is not exceedingly expensive, there might be situations where an alternative fluid offers similar performance at a lower price point, making it a more attractive option for budget-conscious drivers.

Lastly, you might find yourself in a situation where your regular supply of Auto Trak II is unexpectedly out of stock, and you need to perform maintenance on your vehicle urgently. In such cases, knowing an equivalent product can be very helpful.

Possible Scenarios Where An Equivalent Might Be Required

One scenario could be living in a remote or rural area where access to a GM dealership or Auto Trak II supplier is limited or non-existent. In such a case, you’d need to find an equivalent product that’s available locally or online.

Cost is another scenario, especially if you’re performing regular maintenance on your vehicle and looking to reduce expenses. An equivalent product that costs less than Auto Trak II but offers similar performance could make a significant difference in your maintenance budget.

An emergency scenario could also necessitate the need for an equivalent. If your vehicle needs urgent maintenance and Auto Trak II is out of stock in your area, knowing a suitable equivalent can help you address the situation promptly without causing damage to your vehicle.

Auto Trak 2 Equivalents

Sure, let’s take a look at some potential Auto Trak 2 equivalents and analyze their characteristics, pros, and cons. Note that the information is gathered from multiple sources and may vary depending on the specific vehicle and its condition:

Royal Purple Synchromax

Royal Purple-ROY01512 ROYAL PURPLE SYNCHROMAX QT. TRANSFLUID, 1 Quart (32 Ounces)
Royal Purple-ROY01512 ROYAL PURPLE SYNCHROMAX QT. TRANSFLUID, 1 Quart (32 Ounces)

  • Greater wear protection
  • Package Dimensions: 28.575 H x 8.636 L x 8.89 W (centimetres)
  • Package Weight: 0.839 kilograms
  • Country of Origin : United States

This fluid is a fully synthetic transmission fluid that’s recommended for manual transmissions, 2-cycle motor gearboxes, and transfer cases. It provides excellent oxidation and corrosion prevention. It’s compatible with all types of friction material and is recommended as an alternative to Auto Trak 2​​.

However, some users and experts debate its suitability as an Auto Trak 2 substitute, citing differences in additive chemicals​.

Reviews of this product are positive, with users appreciating its performance and reliability.

Valvoline Transfer Case Fluid


Valvoline Multi-Vehicle (TCF) Conventional Transfer Case Fluid 1 QT
Valvoline Multi-Vehicle (TCF) Conventional Transfer Case Fluid 1 QT

  • Recommended for use in most Ford, GM and FCA (Dodge, Jeep) models
  • Formulated to help prevent gear wear and protect against rust and corrosion
  • Formulated to deliver enhanced protection against deposits
  • Helps provide better protection during extreme operating conditions

This fluid is formulated with advanced additive technology and premium-based stocks. It’s suitable for transfer cases like Auto Trak 2, helps prevent wear and tear, protects transfer case seal materials, and provides high protection against corrosion, rust, and deposits. Reviews highlight its high performance and suitability for various vehicles​.

Redline Synthetic MTL® 75W80 GL-4 Gear Oil


Red Line (50205) SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Gallon

538 Reviews
Red Line (50205) SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil – 1 Gallon

  • HIGH PERFORMANCE – Gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified
  • SAFE FOR BRASS SYNCHROS – GL-4 Gear Oil lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications
  • POPULAR REPLACEMENT FOR and improvement over GM Synchromesh 12345349 and Auto-Trak II 12378508 and Chrysler spec MS-9224
  • POPULAR GEAR OIL 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

This fluid offers high synchro life and gear protection. It’s compatible with petroleum and other synthetics and can be used as an Auto Trak 2 substitute, according to Redline. However, this should be approached with caution, as not all experts agree​​. Reviews for this product generally highlight its good performance in various transmission applications​.

Please note that using an equivalent to Auto Trak 2 should only be considered if the recommended fluid is not available. Always consult with your vehicle’s manual or a trusted mechanic before making any changes to the fluids used in your vehicle.

Even though some manufacturers may claim their product can be used as an alternative to Auto Trak 2, it’s always safer to use the fluid specified by the vehicle’s manufacturer to prevent possible damage to the transfer case.

Characteristics Of A Good Auto Trak 2 Equivalent

A suitable Auto Trak II equivalent should ideally have properties similar to Auto Trak II. This includes viscosity, lubrication, cooling capabilities, and friction modification. It should also be compatible with the materials used in GM’s transfer cases and provide similar anti-wear and anti-shudder properties.

Viscosity is a measure of a fluid’s resistance to flow. In transfer case fluids, the right viscosity ensures proper lubrication of the moving parts, reducing friction and wear.

Additives in the fluid can enhance certain properties like anti-wear, anti-rust, and anti-oxidation. They can also improve the fluid’s ability to maintain viscosity over a wide range of temperatures.

Compatibility with various materials is also crucial. The fluid should not react negatively with the materials used in the transfer case, such as seals and gaskets. A reaction could lead to leaks or other mechanical issues.

Meeting OEM specifications is critical when choosing a suitable equivalent for Auto Trak II. OEM specifications ensure that the fluid meets the performance, durability, and safety requirements of the vehicle manufacturer. A fluid that doesn’t meet these specifications could result in decreased performance and potentially serious damage to your vehicle’s transfer case.

Always check that any proposed equivalent meets the necessary OEM specifications for your particular vehicle model.

Why Trust Us?

You should trust these results because they are based on information from a variety of sources, including:

  • Official manufacturer documentation: The owner’s manual of your vehicle will list the specific type of transfer case fluid that is recommended by the manufacturer.
  • Independent research: There are a number of independent research organizations that test and compare different types of transfer case fluids. These organizations can provide valuable information about the performance and protection of different fluids.
  • Customer reviews: Online customer reviews can provide valuable insights into the performance and satisfaction of different types of transfer case fluids.

It is important to note that not all transfer case fluids are created equal. Some fluids are better suited for certain applications than others. It is important to choose a fluid that is specifically designed for your vehicle and your driving conditions.

Here are some of the factors to consider when choosing a transfer case fluid:

  • Type of vehicle: Some fluids are designed for specific types of vehicles, such as trucks or SUVs. It is important to choose a fluid that is designed for your type of vehicle.
  • Driving conditions: If you live in a cold climate, you will need a fluid that is designed to perform well in cold weather. If you drive in a lot of off-road terrain, you will need a fluid that is designed for high-performance applications.
  • Budget: Transfer case fluids can range in price from a few dollars to over $100 per quart. It is important to choose a fluid that fits within your budget.

By considering all of these factors, you can choose a transfer case fluid that will provide the best possible performance and protection for your vehicle.

How To Use Auto Trak 2 Equivalents

Before getting started, it’s important to remember that using an equivalent fluid to Auto Trak 2 should only be done if absolutely necessary. The best practice is always to use the fluid specified by your vehicle’s manufacturer. Also, always consult with a professional mechanic before making any changes to your vehicle.

With those caveats in mind, here are some general steps for replacing your Auto Trak 2 fluid with an equivalent product:

Step-By-Step Guide On How To Replace Auto Trak 2 With An Equivalent Product

  1. Check your vehicle’s fluid specifications: Before you start, ensure that the fluid you’re planning to use is compatible with your vehicle. Check your owner’s manual or consult with a professional mechanic.
  2. Purchase the equivalent fluid: Once you’ve confirmed the compatibility, purchase the equivalent fluid from a reputable seller. Make sure it’s sealed and within its expiration date.
  3. Drain the existing fluid: Locate the drain plug on your vehicle’s transfer case and carefully remove it to allow the existing fluid to drain out. Make sure to catch the fluid with an appropriate container.
  4. Clean the drain plug: While the fluid is draining, clean the drain plug. It may have metal filings attached to it that can cause wear in the transfer case.
  5. Replace the drain plug: After all the fluid has drained, replace the drain plug. Ensure it’s securely tightened, but be careful not to overtighten as this can strip the threads.
  6. Add the new fluid: Locate the fill plug on your transfer case and remove it. Using a fluid pump, add the new fluid until it starts to overflow from the fill plug. This usually indicates the transfer case is full.
  7. Replace the fill plug: Once the transfer case is full, replace the fill plug. Again, ensure it’s securely tightened but be careful not to overtighten.
  8. Check for leaks: After replacing the fluid, start your vehicle and let it run for a few minutes. Check around the drain and fill plugs for any leaks. If you notice any leaks, turn off the vehicle and consult a professional mechanic.

Safety Considerations And Precautions

  • Always use protective gear, including gloves and eye protection, when working with vehicle fluids.
  • Used fluid should be disposed of properly. Many auto parts stores and service stations will accept used automotive fluids for recycling.
  • If you’re unsure about any step in this process, consult with a professional mechanic. Working on your vehicle’s transfer case can be complex, and mistakes can lead to costly repairs.
  • Never work under your vehicle without proper support, such as jack stands. A hydraulic jack alone is unsafe for supporting a vehicle while working under it.


Choosing the right equivalent for Auto Trak 2 is a decision that should not be taken lightly. The transfer case fluid plays a vital role in the smooth and efficient operation of your vehicle’s 4WD system. While there are several potential equivalents available, not all of them may offer the same performance or protection for your transfer case. It’s crucial to thoroughly research and consult with a professional before making a decision.

Maintaining your vehicle’s transfer case is an important part of overall vehicle maintenance. Just like changing your engine oil, the fluid in your transfer case must be replaced periodically to ensure it continues functioning properly. Always adhere to your vehicle manufacturer’s recommended maintenance schedule and only use fluids that meet their specifications.

In conclusion, while finding an equivalent for Auto Trak 2 may be necessary for certain circumstances, it’s always best to use the recommended fluid whenever possible. Your vehicle’s long-term performance and reliability depend on it.


  1. Understanding Your Vehicle’s Transfer Case
  2. So no Auto TRAK II equivalent?